WO2016179803A1

WO2016179803A1 - Method, device and system for establishing connection between vnfm and vim

Info

Publication number: WO2016179803A1
Application number: PCT/CN2015/078801
Authority: WO
Inventors: 季莉
Original assignee: 华为技术有限公司
Priority date: 2015-05-12
Filing date: 2015-05-12
Publication date: 2016-11-17
Also published as: CN107534678A; CN107534678B

Abstract

The present invention relates to the technical field of communications. Provided in embodiments of the present invention are a method, device and system for establishing a connection between VNFM and VIM, capable of automatically establishing the connection between the VNFM and the VIM, thus increasing a resource allocation efficiency of resource VNF. The method comprises: receiving, by VNFM, a notification message transmitted by a management node, the notification message carrying a VIM identifier and connection information of the VIM; and when the VNFM does not connect with the VIM, storing, by the VNFM, the VIM identifier and the connection information of the VIM, and transmitting a request message to the VIM, wherein the request message carries the VNFM identifier and the connection information of the VNFM, and the VNFM identifier and the connection information of the VNFM are used by the VIM to establish a connection with the VNFM. The method is used in an NFV system.

Description

Method, device and system for establishing connection between VNFM and VIM

Technical field

The present invention relates to the field of communications technologies, and in particular, to a method, apparatus, and system for establishing a connection between a VNFM and a VIM.

Background technique

With the rapid development of virtualization technology, the network function virtualization (English: network function virtualization, NFV) system, which realizes the functions of dedicated network element devices in the network, has gradually received attention.

In the NFV system, there is a network function virtualization scheduling node (English: network function virtualization orchestrator, abbreviation: NFVO), virtual machine infrastructure management node (English: virtualized infrastructure manager, abbreviation: VIM), virtual network function management node (English: Virtualized network function manager (VNFM), and virtual network function (English: virtualized network function, abbreviated: VNF) and other functional nodes. Among them, VIM is responsible for managing the resources required by VNF, VNFM is responsible for managing VNF, and NFVO is responsible for scheduling all resources managed by VIM. To implement a VNF, it is first necessary to allocate resources for the VNF, that is, the NFVO notifies the VNFM that manages the VNF, and the VNFM sends a request message to the VIM specified by the NFVO to request the VIM to allocate resources for the VNF. To ensure communication between the VNFM and the VIM, the network maintenance personnel need to save the connection information of the VNFM in the VIM in advance, and save the connection information of the VIM in the VNFM, and manually establish the VNFM and the VNFM. The connection between the VIMs.

Since the VIM and VNF in the NFV system change according to the needs of the network operation during the network operation, when the NFVO notifies a VNFM to request a VIM to allocate resources for the VNF, the VNFM may be between the VIM and the VIM. There is no connection established. If the connection between the VNFM and the VIM is established manually according to the above method, the efficiency of establishing a connection is low, and the efficiency of resource allocation of the VNF is affected.

Summary of the invention

The invention provides a method, device and system for establishing a connection between a VNFM and a VIM, which can automatically establish a connection between the VNFM and the VIM, thereby improving the efficiency of resource allocation of the resource VNF.

In order to achieve the above object, the present invention adopts the following technical solutions:

In a first aspect, the present invention provides a method of establishing a connection between a VNFM and a VIM, including:

The VNFM receives the notification message sent by the management node, where the notification message carries the identifier of the VIM and the connection information of the VIM, and the identifier of the VIM and the connection information of the VIM are used by the VNFM to establish a connection with the VIM. ;

When the VNFM does not establish a connection with the VIM, the VNFM saves the identifier of the VIM and the connection information of the VIM;

The VNFM sends a request message to the VIM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, and the identifier of the VNFM and the connection information of the VNFM are used to establish and establish the VIM. The connection of the VNFM.

In a first possible implementation manner of the first aspect, a method for determining that the VNFM does not establish a connection with the VIM includes:

Determining, by the VNFM, whether the identifier of the VIM and the identifier of the VIM that the VNFM holds to establish a connection with the VNFM are the same;

If the VNFM determines that the identifier of the VIM and the identifier of the at least one VIM that has established a connection with the VNFM are different, the VNFM does not establish a connection with the VIM;

And if the VNFM determines that the identifier of the VIM is the same as the identifier of any one of the VIMs that have established a connection with the VNFM, the VNFM has established a connection with the VIM.

In conjunction with the first aspect of the foregoing or the first possible implementation of the first aspect, in a second possible implementation manner,

The connection information of the VIM includes at least an IP address of the VIM;

The connection information of the VNFM includes at least an IP address of the VNFM.

With reference to the foregoing first aspect or the first possible implementation of the first aspect to any one of the second possible implementations of the first aspect, in a third possible implementation, The method also includes:

The notification message and the request message further carry resource quota information, where the resource quota information is used to indicate a resource quota that is allowed to be allocated by the VIM to the VNFM.

In a second aspect, the present invention provides a method of establishing a connection between a VNFM and a VIM, including:

The VIM receives the request message sent by the VNFM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, and the identifier of the VNFM and the connection information of the VNFM are used by the VIM to establish the VNFM with the VNFM. connection;

When the VIM does not establish a connection with the VNFM, the VIM saves the identifier of the VNFM and the connection information of the VNFM.

In a first possible implementation manner of the second aspect, the determining method that the VIM does not establish a connection with the VNFM includes:

Determining, by the VIM, whether the identifier of the VNFM and the identifier of the VNFM that the VIM holds at least one connection that has been established with the VIM are the same;

If the VIM determines that the identifier of the VNFM and the identifier of the at least one VNFM that has established a connection with the VIM are different, the VIM does not establish a connection with the VNFM;

And if the VIM determines that the identifier of the VNFM is the same as the identifier of any one of the VNFMs that have established a connection with the VIM, the VIM has established a connection with the VNFM.

In conjunction with the second aspect of the foregoing or the first possible implementation of the second aspect, in a second possible implementation manner,

In combination with the foregoing second aspect or the first possible implementation of the second aspect to any one of the second possible implementation manners of the second aspect, in a third possible implementation manner,

The request message further carries resource quota information, where the resource quota information is used. Indicates a resource quota that is allowed to be allocated by the VIM to the VNFM;

The VIM saves the identifier of the VNFM and the connection information of the VNFM, including:

The VIM saves the identifier of the VNFM, the connection information of the VNFM, and the resource quota information.

In a third aspect, the present invention provides a method for establishing a connection between a VNFM and a VIM, including:

The management node obtains the identifier of the VIM, where the VIM is a VIM that satisfies the resource requirement information of the virtual network function VNF of the resource to be allocated;

The management node acquires connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM;

The management node sends a notification message to the VNFM, where the notification message carries the identifier of the VIM and the connection information of the VIM, and the identifier of the VIM and the connection information of the VIM are used by the VNFM to establish and VIM connection.

In a first possible implementation manner of the third aspect, before the acquiring, by the management node, the connection information of the VIM corresponding to the identifier of the VIM, the method further includes:

Determining, by the management node, whether a connection has been established between the VIM and the VNFM;

The management node acquires, according to the identifier of the VIM, the connection information of the VIM corresponding to the identifier of the VIM, including:

When the management node determines that the connection between the VIM and the VNFM is not established, the management node acquires connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM.

With reference to the first possible implementation of the first aspect, in a second possible implementation manner, the management node determines whether a connection is established between the VIM and the VNFM, including:

The management node determines whether a connection has been established between the VIM and the VNFM according to a preset resource mapping table.

With reference to the first possible implementation manner of the first aspect, in a third possible implementation, after the management node obtains the identifier of the VIM, the management node acquires the VIM according to the identifier of the VIM. Before the corresponding connection information of the VIM is identified, the method further includes:

The management node sends a resource reservation request message to the VIM, where the resource reservation request message carries the identifier of the VNFM, and the identifier of the VNFM is used by the VIM to determine whether a connection with the VNFM has been established. ;

Receiving, by the management node, a resource reservation response message sent by the VIM, where the resource reservation response message carries a connection indication identifier, where the connection indication identifier indicates whether the VIM has established a connection with the VNFM;

The management node determines whether a connection has been established between the VIM and the VNFM, including:

The management node determines, according to the connection indication identifier, whether a connection has been established between the VIM and the VNFM.

In combination with the foregoing third aspect or the first possible implementation of the third aspect to any one of the third possible implementation manners of the third aspect, in a fourth possible implementation manner, the management node After obtaining the identifier of the VIM, before the management node sends the notification message to the VNFM, the method further includes:

The management node acquires resource quota information configured by the management node for the VIM, where the resource quota information is used to indicate a resource quota that is allowed to be allocated by the VIM to the VNFM.

The resource information is also carried in the notification message.

In a fourth aspect, the present invention provides an apparatus comprising:

a receiving unit, configured to receive a notification message sent by the management node, where the notification message carries the identifier of the VIM and the connection information of the VIM, where the identifier of the VIM and the connection information of the VIM are used to establish and describe the virtual VNFM. VIM connection;

a saving unit, configured to save, when the VNFM does not establish a connection with the VIM, the identifier of the VIM and the connection information of the VIM received by the receiving unit;

a sending unit, configured to send a request message to the VIM, where the request message carries The identification of the VNFM and the connection information of the VNFM, the identifier of the VNFM and the connection information of the VNFM are used by the VIM to establish a connection with the VNFM.

In a first possible implementation of the fourth aspect,

The saving unit is specifically configured to determine whether the identifier of the VIM received by the receiving unit and the identifier of the VIM that is established by the saving unit and that is connected to the VNFM are the same, if the identifier of the VIM is The identifier of the VIM that has been connected to the VNFM is different, and the VNFM does not establish a connection with the VIM. If the identifier of the VIM and any one of the VIMMs are established, the VNFM is established. The VIMs have the same identity, and the VNFM has established a connection with the VIM.

With reference to the foregoing fourth aspect or the first possible implementation manner of the fourth aspect, in a second possible implementation manner,

The connection information of the VIM received by the receiving unit includes at least a source IP address of the VIM;

The connection information of the VNFM sent by the sending unit includes at least an IP address of the VNFM.

In combination with the foregoing fourth aspect, or the first possible implementation manner of the fourth aspect, to any one of the second possible implementation manners of the fourth aspect, in a third possible implementation manner,

The notification message received by the receiving unit and the request message sent by the sending unit further carry resource quota information, where the resource quota information is used to indicate a resource quota that is allowed to be allocated by the VIM to the VNFM.

In a fifth aspect, the present invention provides an apparatus comprising:

a receiving unit, configured to receive a request message sent by the VNFM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, where the identifier of the VNFM and the connection information of the VNFM are used for VIM establishment and VNFM connection;

a saving unit, configured to save an identifier of the VNFM and a connection letter of the VNFM received by the receiving unit when the VIM does not establish a connection with the VNFM interest.

In a first possible implementation of the fifth aspect,

The saving unit is specifically configured to determine whether the identifier of the VNFM received by the receiving unit and the identifier of the VNFM that is established by the saving unit and that is connected to the VIM are the same, if the identifier of the VNFM is The identifier of the VNFM that is connected to the VIM is different, and the VIM does not establish a connection with the VNFM, and if the identifier of the VNFM and any one of the VIMs are established, the VIM is established. The VNFM has the same identity, and the VIM has established a connection with the VNFM.

In combination with the foregoing fifth aspect or the first possible implementation manner of the fifth aspect, in a second possible implementation manner,

The connection information of the VNFM received by the receiving unit includes at least an IP address of the VNFM.

In combination with the foregoing fifth aspect, or any one of the first possible implementation manner of the fifth aspect, and the second possible implementation manner of the fifth aspect, in a third possible implementation manner,

The request message received by the receiving unit further carries resource quota information, where the resource quota information is used to indicate a resource quota that is allowed to be allocated by the VIM to the VNFM;

The saving unit is specifically configured to save the identifier of the VNFM, the connection information of the VNFM, and the resource quota information.

In a sixth aspect, the present invention provides an apparatus comprising:

An obtaining unit, configured to obtain an identifier of a VIM, where the VIM is a VIM that meets resource requirement information of a VNF of a resource to be allocated;

The obtaining unit is further configured to acquire, according to the identifier of the VIM, connection information of the VIM corresponding to the identifier of the VIM;

a sending unit, configured to send a notification message to the VNFM, where the notification message carries the identifier of the VIM acquired by the acquiring unit and the connection information of the VIM, where the identifier of the VIM and the connection information of the VIM are used. The VNFM is established and described VIM connection.

In a first possible implementation manner of the sixth aspect, the apparatus further includes a determining unit,

The determining unit is configured to determine whether a connection has been established between the VIM and the VNFM before the obtaining unit obtains the connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM. ;

The obtaining unit is configured to: when the determining unit determines that the connection between the VIM and the VNFM is not established, obtain the connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM .

In conjunction with the first possible implementation of the sixth aspect, in a second possible implementation manner,

The determining unit is specifically configured to determine whether a connection has been established between the VIM and the VNFM according to a preset resource mapping table.

In conjunction with the first possible implementation of the sixth aspect, in a third possible implementation, the apparatus further includes a receiving unit,

The sending unit is further configured to: after the acquiring unit acquires the identifier of the VIM, before the acquiring unit acquires the connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM, The VIM sends a resource reservation request message, where the resource reservation request message carries the identifier of the VNFM, and the identifier of the VNFM is used to determine whether the VIM has established a connection with the VNFM.

The receiving unit is configured to receive a resource reservation response message sent by the VIM, where the resource reservation response message carries a connection indication identifier, where the connection indication identifier indicates whether the VIM has established a connection with the VNFM ;

The determining unit is specifically configured to determine whether a connection has been established between the VIM and the VNFM according to the connection indication identifier received by the receiving unit.

With reference to the foregoing sixth aspect, or the first possible implementation manner of the sixth aspect, to any one of the third possible implementation manners of the sixth aspect, in a fourth possible implementation manner,

The obtaining unit is further configured to: after acquiring the identifier of the VIM, the sending unit Before the notification message is sent to the VNFM, the resource quota information configured by the management node for the VIM is obtained, where the resource quota information is used to indicate a resource quota that is allowed to be allocated by the VIM to the VNFM.

The notification message sent by the sending unit further carries the resource quota information acquired by the acquiring unit.

In a seventh aspect, the present invention provides an apparatus comprising:

a processor, configured to receive a notification message sent by the management node, where the notification message carries the identifier of the VIM and the connection information of the VIM, where the identifier of the VIM and the connection information of the VIM are used by the VNFM to establish the VIM Connection;

The processor is further configured to save the identifier of the VIM and the connection information of the VIM when the VNFM does not establish a connection with the VIM;

The processor is further configured to send a request message to the VIM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, and the identifier of the VNFM and the connection information of the VNFM are used by the The VIM establishes a connection with the VNFM.

In a first possible implementation of the seventh aspect,

The processor is specifically configured to determine whether the identifier of the VIM and the identifier of the VIM that the processor has established to establish a connection with the VNFM are the same, if the identifier of the VIM and the at least one The VNF is not connected to the VIM. The VNFM does not establish a connection with the VIM. If the identifier of the VIM is the same as the identifier of any VIM that has been connected to the VNFM, Then the VNFM has established a connection with the VIM.

In conjunction with the foregoing seventh aspect or the first possible implementation manner of the seventh aspect, in a second possible implementation manner,

The connection information of the VIM received by the processor includes at least an IP address of the VIM;

The connection information of the VNFM sent by the processor includes at least an IP address of the VNFM.

Combining the foregoing seventh aspect or the first possible implementation of the seventh aspect to the Any one of the second possible implementations of the seven aspects, in a third possible implementation,

And the resource quota information is used to indicate the resource quota allocated by the VIM for the VNFM.

In an eighth aspect, the present invention provides an apparatus comprising:

a processor, configured to receive a request message sent by the VNFM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, and the identifier of the VNFM and the connection information of the VNFM are used for VIM establishment and VNFM connection;

The processor is further configured to save the identifier of the VNFM and the connection information of the VNFM when the VIM does not establish a connection with the VNFM.

In a first possible implementation of the eighth aspect,

The processor is specifically configured to determine whether the identifier of the VNFM and the identifier of the VNFM that the processor has established to establish a connection with the VIM are the same, if the identifier of the VNFM and the at least one The VIM is not connected to the VNFM, and the VIM is not connected to the VNFM. If the identifier of the VNFM is the same as the identifier of any VNFM that has established a connection with the VIM, Then the VIM has established a connection with the VNFM.

With reference to the foregoing eighth aspect or the first possible implementation manner of the eighth aspect, in a second possible implementation manner,

The connection information of the VNFM received by the processor includes at least an IP address of the VNFM.

With reference to the foregoing eighth aspect, or the first possible implementation manner of the eighth aspect, to any one of the second possible implementation manners of the eighth aspect, in a third possible implementation manner,

The request message received by the processor further includes resource quota information, where the resource quota information is used to indicate a resource quota that is allowed to be allocated by the VIM to the VNFM.

The processor is specifically configured to save the identifier of the VNFM, the VNFM Connection information and the resource quota information.

In a ninth aspect, the present invention provides an apparatus comprising:

a processor, configured to obtain an identifier of the VIM, where the VIM is a VIM that meets resource requirement information of a VNF of a resource to be allocated;

The processor is further configured to acquire connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM;

The processor is further configured to send a notification message to the VNFM, where the notification message carries the identifier of the VIM acquired by the acquiring unit and the connection information of the VIM, and the identifier of the VIM and the connection of the VIM Information is used by the VNFM to establish a connection with the VIM.

In a first possible implementation of the ninth aspect,

The processor is further configured to determine whether a connection has been established between the VIM and the VNFM before acquiring the connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM;

The processor is configured to: when it is determined that the connection between the VIM and the VNFM is not established, obtain the connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM.

With reference to the first possible implementation manner of the ninth aspect, in a second possible implementation manner,

The processor is specifically configured to determine whether a connection has been established between the VIM and the VNFM according to a preset resource mapping table.

In conjunction with the first possible implementation of the ninth aspect, in a third possible implementation manner,

The processor is further configured to send a resource reservation request message to the VIM before acquiring the connection information of the VIM corresponding to the identifier of the VIM, after acquiring the identifier of the VIM, according to the identifier of the VIM, The resource reservation request message carries an identifier of the VNFM, where the identifier of the VNFM is used to determine whether the VIM has established a connection with the VNFM.

The processor is further configured to receive a resource reservation response message sent by the VIM, The resource reservation response message carries a connection indication identifier, where the connection indication identifier indicates whether the VIM has established a connection with the VNFM;

The processor is specifically configured to determine, according to the connection indication identifier, whether a connection has been established between the VIM and the VNFM.

With reference to the foregoing ninth aspect, or the first possible implementation manner of the ninth aspect, to any one of the third possible implementation manners of the ninth aspect, in a fourth possible implementation manner,

The processor is further configured to: after obtaining the identifier of the VIM, send the resource quota information configured by the management node for the VIM, and the resource quota information is used to indicate that the VIM is allowed to be the Resource quota allocated by VNFM;

The notification message sent by the processor further carries the resource quota information acquired by the acquiring unit.

In a tenth aspect, the present invention provides a communication system, including:

The apparatus of any one of the foregoing fourth aspect or the fourth aspect, the apparatus of any one of the fifth aspect or the fifth aspect, and the sixth or sixth aspect as described above Any of the devices described in the implementation; or,

The apparatus according to any one of the seventh aspect or the seventh aspect, the apparatus of any one of the eighth aspect or the eighth aspect, and the ninth aspect or the ninth aspect The device of any of the implementations.

The present invention provides a method, an apparatus, and a system for establishing a connection between a VNFM and a VIM. The method may include: the VNFM receiving management node sends a notification message, where the notification message carries the identifier of the VIM and the connection information of the VIM, when the VNFM is not When the connection with the VIM is established, the VNFM saves the identifier of the VIM and the connection information of the VIM, and sends a request message to the VIM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, where the VNFM The connection information to the VNFM is used to establish a connection with the VNFM. Through the method, device and system for establishing a connection between a VNFM and a VIM provided by the present invention, after receiving the notification message, the VNFM can automatically protect the VIM when it is determined that the connection with the VIM is not established. And the connection information of the VNFM and the connection information of the VNFM are carried in the request message and sent to the VIM, so that the VIM can automatically save the identifier of the VNFM and the connection information of the VNFM to complete The establishment of the connection between the VNFM and the VIM improves the efficiency of establishing a connection between the VIM and the VNFM, thereby improving the efficiency of resource allocation of the VNF.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is some embodiments of the invention, not all of the embodiments.

1 is an architectural diagram of an existing NFV system;

2 is a flowchart 1 of a method for establishing a connection between a VNFM and a VIM according to an embodiment of the present invention;

3 is a second flowchart of a method for establishing a connection between a VNFM and a VIM according to an embodiment of the present invention;

4 is a flowchart 3 of a method for establishing a connection between a VNFM and a VIM according to an embodiment of the present invention;

FIG. 5 is an interaction diagram 1 of a method for establishing a connection between a VNFM and a VIM according to an embodiment of the present invention;

FIG. 6 is an interaction diagram 2 of a method for establishing a connection between a VNFM and a VIM according to an embodiment of the present invention;

FIG. 7 is an interaction diagram 3 of a method for establishing a connection between a VNFM and a VIM according to an embodiment of the present invention;

FIG. 8 is an interaction diagram 4 of a method for establishing a connection between a VNFM and a VIM according to an embodiment of the present invention;

FIG. 9 is a schematic structural diagram of a device according to an embodiment of the present disclosure;

FIG. 10 is a schematic structural diagram of a device according to an embodiment of the present disclosure;

FIG. 11 is a schematic structural diagram of an apparatus according to an embodiment of the present disclosure;

FIG. 12 is a schematic structural diagram of a device according to an embodiment of the present disclosure;

FIG. 13 is a schematic structural diagram of a device according to an embodiment of the present disclosure;

FIG. 14 is a schematic structural diagram of hardware of an apparatus according to an embodiment of the present disclosure;

FIG. 15 is a schematic structural diagram of hardware of an apparatus according to an embodiment of the present disclosure;

FIG. 16 is a schematic structural diagram of hardware of a device according to an embodiment of the present disclosure;

FIG. 17 is a block diagram of a communication system according to an embodiment of the present invention.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments.

As shown in Figure 1, it is an architectural diagram of an NFV system. The NFV system includes: NFVO, VNFM, VIM, operation support system (English: operations support system, abbreviation: OSS) or business support system (English: business support system, abbreviation: BSS), network element management node (English: element manager , abbreviations: EM), VNF nodes, virtual network function infrastructure (English: network function virtualization infrastructure, abbreviation: NFVI) and other functional nodes, where OSS/BSS, or OSS/BSS user interface can be called network management Node (English: network manager, abbreviation: NM).

In the NFV system, NFVO, VNFM and VIM form the NFV management and orchestration (NFV-MANO) domain. Among them, NFVO can also be called network function virtualization orchestrator.

Among them, NFVO can operate, manage and coordinate VIM in NFV system, and NFVO is connected with all VIM and VNFM in NFV system.

VIM is the management portal for infrastructure and resources. It provides resource management for VNF, including configuration maintenance, resource monitoring, alarming, and performance management for infrastructure-related hardware and virtualization resources for VNF.

VNFM is responsible for VNF lifecycle management, such as instantiation, expansion/contraction, query, update, and termination.

In the prior art, the connection between the VNFM and the VIM needs to be manually established. When a VIM is required to allocate resources for a certain VNF managed by a VNFM, The connection between the VNFM and the VIM is not established yet. In this case, the connection between the VNFM and the VIM needs to be manually established. When the connection is manually established, the connection between the VNFM and the VIM is inefficient. Therefore, it will affect the efficiency of resource allocation of VNF.

The method and device for establishing a connection between a VNFM and a VIM provided by the embodiment of the present invention can automatically establish a connection between the VNFM and the VIM, thereby improving the efficiency of resource allocation of the VNF.

It should be noted that, in the example of the present invention, any one of the foregoing NFV systems may be implemented by one physical device, or may be implemented by multiple physical devices, and multiple functional nodes in the NFV system may be different. The physical device implementations may also be implemented by the same physical device. It can be understood that any functional node in the NFV system may be a logical functional module in the physical device, or may be a logical functional module composed of multiple physical devices.

Therefore, in the following embodiments of the present invention, each step in the method provided by the embodiment of the present invention may be performed by an entity device, and each step in the method provided by the embodiment of the present invention may be performed by multiple entity devices. This invention is not limited.

Further, in order to more clearly describe the method for establishing a connection between the VNFM and the VIM provided by the present invention, the following describes the logical function module (ie, the function node in the NFV system) as an execution subject, and those skilled in the art may It is understood that the logic function module depends on the hardware resources on the physical device in which it is implemented.

In the embodiment of the present invention, the NFV system can be applied to a long term evolution (English: long term evolution, abbreviation: LTE) communication system, and can also be applied to an LTE evolved communication system, such as LTE-A (English full name: long term In the evolution advanced system, it can also be applied to third-generation mobile communication (English: 3rd-Generation, 3G) system such as WCDMA, and the present invention is not limited.

Embodiment 1

An embodiment of the present invention provides a method for establishing a connection between a VNFM and a VIM. As shown in FIG. 2, the method may include:

S101. The VNFM receives a notification message sent by the management node, where the notification message carries The identifier of the VIM and the connection information of the VIM, the identifier of the VIM and the connection information of the VIM are used by the VNFM to establish a connection with the VIM.

In the embodiment of the present invention, the management node may be an NFVO in the NFV system where the VNFM is located, or may be a functional node capable of managing all VIMs in the NFV system. The management node stores related information of each VIM in the NFV system, including an identifier of each VIM, connection information of each VIM, and allocation of resources of each VIM, so that the management node can The related information determines the VIM that can allocate resources for the VNF of the resource to be allocated.

Specifically, when the resource needs to be allocated to the VNF to be allocated, the management node may determine a VIM according to the resource requirement of the VNF, and carry the identifier of the VIM in the notification message, and send the VNFM to the VNF to manage the VNF. The VNFM is notified that the VIM can be requested to allocate resources for the VNF.

Further, in the embodiment of the present invention, the management node sends the connection information of the VIM to the VNFM in the notification message. After receiving the notification message, the VNFM does not establish a connection with the VIM. The VNFM can establish a connection with the VIM according to the identifier of the VIM and the connection information of the VIM.

The connection information of the VIM may include at least an IP address of the VIM.

Further, the connection information of the VIM may further include any one of a uniform resource locator (English: universal resource locator, abbreviation: URL), a user name, an authentication password, and the like.

S102. When the VNFM does not establish a connection with the VIM, the VNFM saves the identifier of the VIM and the connection information of the VIM.

In the embodiment of the present invention, after the VNFM receives the notification message, the VNFM may first determine whether it has established a connection with the VIM. Since the information about the VIM that has established a connection with the VNFM is stored in the VNFM, for example, the identifier of the VIM that has established a connection with the VNFM, etc., the VNFM can determine whether or not the VIM identifier is saved by the VNFM. Determine if a connection to the VIM has been established.

Specifically, the VNFM determines that the method for establishing a connection with the VIM may include:

The VNFM can determine that the VIM's identity and at least one of its holds have been associated with Whether the VNFM establishes the identity of the connected VIM is the same, that is, the VNFM compares the VIM identifier with the identifier of at least one VIM that has been established with the VNFM.

If the VNFM determines that the identity of the VIM and the identity of at least one VIM that has established a connection with the VNFM are different, the VNFM may determine that a connection with the VIM is not established.

If the VNFM determines that the identity of the VIM is the same as the identity of any VIM that has established a connection with the VNFM, the VNFM may determine that a connection with the VIM has been established.

Further, when the VNFM determines that the connection with the VIM is not established, the VNFM establishes a connection with the VIM, that is, the VNFM saves the identifier of the VIM and the connection information of the VIM.

Exemplarily, the VNFM can save the VIM connection information to a specific unit within the VNFM. The specific unit may be a transmission unit dedicated to transmitting data in the VNFM; or a virtual communication interface newly created in the VNFM, the communication interface may be the VNFM through a preset algorithm, according to the connection information of the VIM Created, when the VNFM needs to send data to the VIM, the VNFM can transmit through the communication interface.

The identifier of the VIM can uniquely identify the VIM. After the VNFM saves the identifier of the VIM, the VNFM can identify the VIM by using the identifier of the VIM during subsequent communication with the VIM.

S103. The VNFM sends a request message to the VIM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, and the identifier of the VNFM and the connection information of the VNFM are used by the VIM to establish a connection with the VNFM.

It should be noted that, in the embodiment of the present invention, the VNFM establishes a connection with the VIM, that is, the VNFM saves the VIM identifier and the VIM connection information to the VNFM; the VIM establishes a connection with the VNFM, that is, the VIM identifies the VNFM. And the connection information of the VNFM is saved to the VIM; the connection between the VNFM and the VIM can be understood as: the VIM saves the VNFM identifier and the VNFM connection information to the VIM. The VNFM saves the VIM identity and the VIM connection information to the VNFM.

Therefore, in the embodiment of the present invention, after the VNFM obtains the identifier of the VIM and the connection information of the VIM through the management node, the VNFM needs to send the identifier of the VNFM and the connection information of the VNFM to the VIM, and The VIM is saved, and the connection between the VNFM and the VIM can be successfully established.

In the embodiment of the present invention, after receiving the notification message sent by the management node, the VNFM needs to send a request message to the VIM according to the notification message, to request the VIM to allocate resources for the VNF of the resource to be allocated. At this time, the VNFM may carry the identifier of the VNFM and the connection information of the VNFM in the request message, and send the message to the VIM, so that the VIM can save the identifier of the VNFM and the connection information of the VNFM after receiving the request message. To complete the establishment of the connection between the VIM and the VNFM.

It can be understood that when the VNFM sends a request message to the VIM, although the connection between the VNFM and the VIM has not been successfully established, the connection information of the VIM has been saved in the VNFM, that is, the VNFM has determined the VIM. The IP address and associated transmission information, therefore, the VNFM can send a request message to the VIM according to the connection information of the VIM, so that the VIM can receive and identify the request message.

The connection information of the VNFM may include at least an IP address of the VNFM.

Further, the connection information of the VNFM may further include any one of a URL, a user name, an authentication password, and the like of the VNFM.

An embodiment of the present invention provides a method for establishing a connection between a VNFM and a VIM. The method may include: the VNFM receiving management node sends a notification message, where the notification message carries the identifier of the VIM and the connection information of the VIM, when the VNFM is not established. When the VIM is connected, the VNFM saves the identifier of the VIM and the connection information of the VIM, and sends a request message to the VIM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, where the VNFM is identified and The connection information of the VNFM is used by the VIM to establish a connection with the VNFM. After receiving the notification message, the VNFM can automatically protect the VIM identifier and the VIM connection information when the connection with the VIM is not established, and carry the VNFM identifier and the VNFM connection information in the The request message is sent to the VIM to enable the VIM to be self- The VNFM identifier and the connection information of the VNFM are saved to complete the establishment of the connection between the VNFM and the VIM, thereby improving the efficiency of establishing a connection between the VIM and the VNFM, thereby improving the efficiency of resource allocation of the VNF. .

An embodiment of the present invention provides a method for establishing a connection between a VNFM and a VIM. As shown in FIG. 3, the method may include:

S201: The VIM receives the request message sent by the VNFM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, and the identifier of the VNFM and the connection information of the VNFM are used by the VIM to establish a connection with the VNFM.

S202. When the VIM does not establish a connection with the VNFM, the VIM saves the identifier of the VNFM and the connection information of the VNFM.

In the embodiment of the present invention, after the VIM receives the request message sent by the VNFM, the VIM may first determine whether it establishes a connection with the VNFM. Since the information about the VNFM that has been connected to the VIM is stored in the VIM, for example, the VNFM that has established a connection with the VIM, the VIM can determine whether the VNFM is saved by determining whether it holds the VNFM identifier. A connection to the VNFM is established.

Specifically, the VIM determines that the method for establishing a connection with the VNFM is not established. In the embodiment shown in FIG. 2, the VNFM determines that the method for establishing a connection with the VIM is not established. For details, refer to the embodiment shown in FIG. 2 . The VNFM determines its method of establishing a connection with the VIM and will not be described here.

Further, when the VIM does not establish a connection with the VNFM, the VIM needs to establish a connection with the VNFM, that is, it can be understood that the VIM saves the identifier of the VNFM and the connection information of the VNFM.

Exemplarily, the VIM can save the VNFM connection information to a specific unit within the VIM. The specific unit may be a transmission unit dedicated to transmitting data in the VIM; or a virtual communication interface newly created in the VIM, the communication interface may be the VIM through a preset algorithm, according to the VNFM Connection information The VIM can be sent through the communication interface when the VIM needs to send data to the VNFM.

The identifier of the VNFM can uniquely identify the VNFM. When the VIM saves the identifier of the VNFM, the VIM can identify the VNFM through the identifier of the VNFM when it needs to communicate with the VNFM.

It should be noted that the VIM can receive the request message sent by the VNFM, indicating that the VNFM has saved the identifier of the VIM and the connection information of the VIM. Therefore, when the VIM saves the identifier of the VNFM carried in the request message, After the connection information of the VNFM, the connection between the VIM and the VNFM is established successfully.

An embodiment of the present invention provides a method for establishing a connection between a VNFM and a VIM. The method may include the VIM receiving a request message sent by the VNFM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, when the VIM is not established. When connecting to the VNFM, the VIM saves the identity of the VNFM and the connection information of the VNFM. With the method, the VIM can automatically save the identifier of the VNFM and the connection information of the VNFM carried in the request message after receiving the request message sent by the VNFM, so as to complete the establishment of the connection between the VIM and the VNFM. No need to manually establish, which greatly improves the efficiency of establishing a connection between VIM and VNFM, thereby improving the efficiency of resource allocation of VNF.

An embodiment of the present invention provides a method for establishing a connection between a VNFM and a VIM. As shown in FIG. 4, the method may include:

S301. The management node acquires an identifier of the VIM, where the VIM is a VIM that meets resource requirement information of the VNF of the resource to be allocated.

In the embodiment of the present invention, the management node may be an NFVO in the NFV system where the VNF of the resource to be allocated is located, or a function node capable of managing all VIMs in the NFV system.

In the management node, a resource mapping table is set, and the information about each VIM in the NFV system is recorded in the resource mapping table, including the identifier of each VIM, the connection information, the managed resources, and the allocation of resources. Etc. For example, the central processing unit (English: central processing unit, abbreviation: CPU) that each VIM is responsible for managing. The number, the type of CPU, the amount of memory, and the type of unused CPU and its number, the amount of memory, and so on.

The resource requirement information of the VNF may be an identifier of a virtual network function descriptor (VNFD) of the VNF, and an identifier of a configuration style (English: deployment flavor). The management node may determine the resources required by the VNF according to the VNFD indicated by the identifier of the VNFD of the VNF. For example, the number of CPUs required by the VNF, the type of the CPU, the amount of the memory, and the like may be included.

Therefore, after the management node determines the resource requirement information VIM of the VNF that can satisfy the resource to be allocated by querying the resource mapping table, the VIM identifier can be obtained in the resource mapping table, and the VIM is directly determined to be allocated by the VIM to the VNF. Resources.

After obtaining the identifier of the VIM, the management node may first instruct the VIM to perform resource reservation, that is, send a resource reservation request message to the VIM, where the resource reservation information carries the resource requirement information, if the VIM passes the The VIM sends a resource reservation response message to the management node, and when the management node receives the resource reservation response message, it can be determined that the VIM allocates resources for the VNF.

S302. The management node acquires connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM.

Specifically, the management node may directly search for the connection information of the VIM corresponding to the identifier of the VIM in the resource mapping table.

S303. The management node sends a notification message to the VNFM, where the notification message carries the identifier of the VIM and the connection information of the VIM, and the identifier of the VIM and the connection information of the VIM are used by the VNFM to establish a connection with the VIM.

In the embodiment of the present invention, after the management node determines the identifier of the VIM that can allocate the resource to the VNF, the management node carries the identifier of the VIM in the notification message and sends it to the VNFM that manages the VNF to notify the VNFM that the VNFM can The VIM sends a request message to request the VIM to allocate resources for the VNF.

In order to avoid the VNFM after receiving the notification message, due to the VNFM and the VIM In the embodiment of the present invention, the management node may acquire the connection information of the VIM before sending the notification message to the VNFM, and the connection information may be obtained. The identifier of the VIM and the connection information of the VIM are carried in the notification message and sent to the VNFM, so that after receiving the notification message, the VNFM can be carried according to the notification message without establishing a connection with the VIM. The identifier of the VIM and the connection information of the VIM establish a connection with the VIM to ensure that the VNFM can send a request message to the VIM.

The embodiment of the present invention provides a method for establishing a connection between a VNFM and a VIM, which may include the management node acquiring the identifier of the VIM and the connection information of the VIM corresponding to the identifier of the VIM, and sending a notification message to the VNFM, where the The VIM is a VIM that meets the resource requirement information of the VNF of the resource to be allocated. The notification message carries the identifier of the VIM and the connection information of the VIM, and the identifier of the VIM and the connection information of the VIM are used by the VNFM to establish the VIM with the VIM. connection. With the method, the management node can carry the identifier of the VIM and the connection information of the VIM in the notification message, and send the information to the VNFM, so that the VNFM can automatically save the identifier of the VIM and the connection information of the VIM to automatically establish the VIM with the VIM. The connection improves the efficiency of establishing a connection between the VIM and the VNFM, thereby improving the efficiency of resource allocation of the VNF.

Embodiment 2

The embodiment of the present invention provides a method for establishing a connection between a VNFM and a VIM, which can be applied to a scenario in which a resource needs to be allocated for a VNF. As shown in FIG. 5, the method may include:

S401. The management node acquires an identifier of the VIM, where the VIM is a VIM that meets resource requirement information of the VNF of the resource to be allocated.

It should be noted that the VNF of the resource to be allocated may be a VNF to be instantiated or a VNF to be extended.

That is, before the above S401, when the function node of the network element management node (English: element manager, EM), NM, VNFM or NFVO in the NFV system where the VNF is located initiates instantiation of the VNF, or initiates the After the extension of VNF (English: scale), the VNFM that manages the VNF sends the life to the management node. Periodic life management request (English: grant lifecycle operation) message.

The grant lifecycle management request message includes resource requirement information such as an identifier of the VNFD of the VNF and an identifier of the deployment style, to instruct the management node to instantiate or expand the VNF according to the resource requirement information. Therefore, the management node may determine, according to the saved resource mapping table and the resource requirement information of the VNF, a VIM that satisfies the resource requirement information for the VNF, that is, a VIM that can allocate resources for the VNF.

For the implementation of the foregoing S401, refer to the implementation manner of S301 in the embodiment shown in FIG. 4, and details are not described herein again.

It should be noted that the resources required by the VNF of the resource to be allocated may need to be allocated by the VIM for the VNF, or may be allocated by the multiple VIMs for the VNF, that is, the VIM that satisfies the resource requirement information may exist at least. In the at least one VIM, each VIM may establish a connection with the VNFM that manages the VNF, or may not establish a connection with the VNFM, or the at least one VIM includes the VNFM. A VIM is established between the connection and a VIM that is not connected to the VNFM.

In the embodiment of the present invention, it is assumed that the VIM is one of the at least one VIM, and no connection is established between the VIM and the VNFM.

S402. The management node acquires connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM.

S403. The management node sends a notification message to the VNFM, where the notification message carries the identifier of the VIM and the connection information of the VIM.

Specifically, the implementation manners of the foregoing S402-S403 are specifically implemented in the embodiment S302-S303 in the embodiment shown in FIG. 4, and details are not described herein again.

S404. After the VNFM receives the notification message, when the VNFM does not establish a connection with the VIM, the VNFM saves the identifier of the VIM and the connection information of the VIM.

S405. The VNFM sends a request message to the VIM, where the request message carries the identifier of the VNFM and the connection information of the VNFM.

Specifically, the implementation manners of the foregoing S404-S405 are the same as the implementation manners of the S102-S103 in the embodiment shown in FIG. The related description of S102-S103 is not described here.

Further, it should be noted that, when the VNFM sends the identifier and the connection information to the VIM in the request message, in the embodiment of the present invention, the request message is used to indicate that the VIM allocates resources for the VNF. Therefore, the request message also carries resource-related information, such as configuration parameters of a virtual machine (virtual machine, abbreviated: VM), network connection information, and the like.

S406. After the VIM receives the request message, when the VIM does not establish a connection with the VNFM, the VIM saves the identifier of the VNFM and the connection information of the VNFM.

Specifically, the implementation manner of the above S406 can be referred to the implementation manner of S102 in the embodiment shown in FIG. 3, and details are not described herein again.

It should be noted that, when the VIM establishes a connection with the VNFM according to the identifier of the VNFM carried in the request message and the connection information of the VNFM, in the embodiment of the present invention, the request message is used to indicate that the VIM is The VNF allocates resources. Therefore, after receiving the request message, the VIM needs to start the related VM according to the request message indication, perform parameter configuration on the activated VM, and perform corresponding network connection on the activated VM. To complete the resource allocation operation for the VNF.

S407. The VIM sends a response message to the VNFM.

After the VIM successfully allocates resources for the VNF, it sends a response message to the VNFM to notify the VNFM that resources have been allocated for the VNF. In turn, the VNFM can continue to perform the subsequent operations of instantiating the VNF or extending the VNF, for example, including configuring the deployment parameters of the VNF, and notifying the EM that the instantiation of the VNF has been completed or the extension of the VNF has been completed. Then, the EM configures the application parameters of the VNF. For details, refer to related descriptions in the prior art, which are not specifically described herein.

It can be understood that, in the embodiment of the present invention, if the VNFM can receive the response message, the VNFM can determine that the VIM has saved the identifier of the VNFM and the connection information of the VNFM, thereby determining the VIM and the The connection between the VNFMs has been established successfully.

An embodiment of the present invention provides a method for establishing a connection between a VNFM and a VIM. As shown in FIG. 6, the method may include:

S501. The management node acquires an identifier of the VIM, where the VIM is a VIM that meets resource requirement information of the VNF of the resource to be allocated.

For a specific implementation manner of the S501, refer to the specific implementation process of the foregoing S401, and details are not described herein again.

S502. The management node determines whether a connection is established between the VIM and the VNFM.

Specifically, the management node may directly determine, according to the resource mapping table, whether a connection has been established between the VIM and the VNFM.

It should be noted that, since the connection between the VIM and the VNFM in the NFV system is recorded in the resource mapping table, the management node may determine which VNFMs in the NFV system are associated with the VIM by querying the resource mapping table. A connection is established between the management node to determine whether the VNFM is a VNFM that has established a connection with the VIM by querying the resource mapping table.

Alternatively, the connection between the VNFM and the VIM in the NFV system is also recorded in the resource mapping table, that is, the management node can determine which VIMs in the NFV system are established with the VNFM by querying the resource mapping table. The connection is made so that the management node can determine whether the VIM is a VNFM that has established a connection with the VNFM by querying the resource mapping table.

S503. When the management node determines that the connection between the VIM and the VNFM is not established, the management node acquires the connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM.

S504. The management node sends a notification message to the VNFM, where the notification message carries the identifier of the VIM and the connection information of the VIM.

It should be noted that, if the management node determines that the connection between the VIM and the VNFM is established, the management node does not need to obtain the connection information of the VIM, and only the identifier of the VIM is carried in the notification message and sent to the VNFM.

If the management node determines that the connection between the VIM and the VNFM is not established, the management node needs to obtain the connection information of the VIM, and the connection information of the VIM and the VIM. The identifier is carried in the notification message and sent to the VNFM, so that the VNFM establishes a connection with the VIM according to the identifier of the VIM and the connection information of the VIM.

S505. After the VNFM receives the notification message, when the VNFM does not establish a connection with the VIM, the VNFM saves the identifier of the VIM and the connection information of the VIM.

S506. The VNFM sends a request message to the VIM, where the request message carries the identifier of the VNFM and the connection information of the VNFM.

S507. After the VIM receives the request message, when the VIM does not establish a connection with the VNFM, the VIM saves the identifier of the VNFM and the connection information of the VNFM.

S508. The VIM sends a response message to the VNFM.

Specifically, the implementation manners of the foregoing S505-S508 are the same as the implementation manners of the S404-S407 in the embodiment shown in FIG. 5 . For details, refer to the related description in the embodiment shown in FIG. 3 , and details are not described herein again.

Further, in conjunction with FIG. 6, as shown in FIG. 7, after the foregoing S501, before S502, the method for establishing a connection between the VNFM and the VIM provided by the embodiment of the present invention may further include:

S509. The management node sends a resource reservation request message to the VIM.

The resource reservation request message carries the identifier of the VNFM, and the identifier of the VNFM is used by the VIM to determine whether a connection with the VNFM has been established. The resource reservation request message further carries the resource requirement information, where the reservation request message is used to indicate whether the VIM determines whether the resource requirement information is met.

S510. After receiving the resource reservation request message, the VIM determines whether the VIM satisfies the resource requirement information.

Specifically, the specific manner for the first VIM to determine whether the resource requirement information is met according to the resource reservation request message may be referred to the related description in the prior art, and details are not described herein again.

S511. When the VIM determines that the resource requirement information is met, the VIM determines, according to the identifier of the VNFM, whether a connection with the VNFM has been established.

It should be noted that, in the embodiment of the present invention, when the VIM determines that it meets the When the source information is required, the VIM may further determine, according to the identifier of the VNFM carried in the resource reservation request message, whether the VIM has established a connection with the VNFM.

Specifically, the VIM determines, according to the identifier of the VNFM, whether the connection with the VNFM has been established. For details, refer to the related description in S202 in the embodiment shown in FIG. 3, and details are not described herein again.

Further, after determining, according to the identifier of the VNFM, whether the VIMM has established a connection with the VNFM, the VIM may form a connection indication identifier for indicating whether the VIM has established a connection with the VNFM. For example, when the connection indication flag is 1, it indicates that the VIM has established a connection with the VNFM; when the connection indication flag is 0, it indicates that the VIM does not establish a connection with the VNFM.

S5012: The VIM sends a resource reservation response message to the management node, where the resource reservation response message carries a connection indication identifier.

It should be noted that, in the embodiment of the present invention, if the VIM determines that the resource requirement information is met, the VIM sends a resource reservation response message to the management node to notify the management node that the VIM can allocate resources for the VNF. . That is, the management node may send a resource reservation response message according to the VIM, and further determine that the VIM is a VIM that satisfies the resource requirement information.

Further, as shown in FIG. 7, the above S502 may be:

S502a. The management node determines, according to the connection indication identifier, whether a connection is established between the VIM and the VNFM.

Further, in the embodiment of the present invention, after the management node determines the VIM that satisfies the resource requirement information of the VNF, the management node may further obtain the resource quota information of the VIM, where the resource quota information is used to indicate that the VIM is allowed to be the Resource quota allocated by VNFM (English: quota).

Exemplarily, the resource quota information may be a specific percentage, for example, 30%, then the resource quota information may indicate that the resource quota allocated by the VIM for the VNFM is 30% of the total resource of the VIM. The resource quota information may also be a quota of a specific type of resource, for example, 20% of the computing resource, then the resource quota information may indicate that the maximum computing resource amount allowed by the VIM to be allocated to the VNFM is 20% of the total computing resources of the VIM. In this regard, the embodiments of the present invention are not limited.

It should be noted that the resource quota information may be configured for the VIM for the VIMM, that is, the resource quota information is used to indicate the resource quota that the VIM is allowed to allocate for a VNFM. The resource quota information may also be configured for the VIM by the management node, and is used to indicate a resource quota that is allowed to be allocated by the VIM to any one of the VNFMs.

The resource quota may be the maximum amount of resources that the VIM is allowed to allocate for the VNFM. For example, the resource quota information is 2. When the VNFM allocates resources to the requesting VIM, the VIM is allowed to allocate the VNFM at most. 2 CPUs.

The resource quota may also refer to the maximum amount of resources that the VIM is allowed to allocate for the VNFM in total. For example, if the resource quota information is 6, when the VNFM requests the VIM to allocate 4 CPUs for the VNF1 managed by it, 4<6 Therefore, the VIM allows the 4 CPUs to be allocated for the VNFM. When the VNFM requests the VIM to allocate 3 CPUs for the VNF2 managed by it, the VNFM requests the VIM to allocate 7 CPUs to it. Since 7>6, the VIM refuses to be the VNFM again. Allocate 3 CPUs.

It should be noted that the VIM allocates resources for the VNF managed by a certain VNFM, that is, the VIM allocates resources for the VNFM.

Further, the management node may directly send the resource quota information configured for the VIM to the VIM. When the resource allocation information is the resource quota information of the VIM for a certain VNFM, the management node may also allocate the resource quota information to the VNFM, and the VNFM forwards the VMN to the VIM.

Specifically, when the resource allocation information is the resource quota information of the VIM for a certain VNFM, in conjunction with FIG. 6, as shown in FIG. 8, after the foregoing S502, before the S504, the VNFM and the VIM are provided between the VNFM and the VIM provided by the embodiment of the present invention. The method of connection also includes:

S513. The management node acquires resource quota information configured by the management node for the VIM.

It should be noted that the execution order of the foregoing S513 and S503 is not limited, that is, S513 may be performed before S503 is executed, or S513 may be executed after S503 is executed.

Further, as shown in FIG. 8, the foregoing S504 may include:

S504a. The management node sends a notification message to the VNFM, where the notification message carries the identifier of the VIM, the connection information of the VIM, and the resource quota information.

After the management node carries the resource quota information in the notification message and sends the information to the VNFM, the resource quota information may be forwarded by the VNFM to the VIM. Specifically, the foregoing S506 may include:

S506a. The VNFM sends a request message to the VIM, where the request message carries the identifier of the VNFM, the connection information of the VNFM, and the resource quota information.

The above S507 may include:

After the VIM receives the request message, when the VIM does not establish a connection with the VNFM, the VIM saves the identifier of the VNFM, the connection information of the VNFM, and the resource quota information.

Further, in the process of establishing a connection with the VNFM, the VIM saves the resource quota information, and when the VIM allocates resources for the VNFM, if the amount of resources requested by the VNFM to the VIM exceeds the resource quota information The resource quota, then the VIM can refuse to allocate resources for the VNFM.

Optionally, when the amount of resources requested by the VNFM to the VIM exceeds the resource quota for the VNFM, in the embodiment of the present invention, resource allocation may be performed for the VNFM in the following manners.

The following modes are exemplified in the following with VIM1, VIM2, VNFM1, and VNFM2.

Method 1:

S10. After receiving the request message of the VNFM1, the VIM1 determines, according to the request message, the resource requested by the VNFM1 to the VIM1, and exceeds the resource quota for the VNFM1.

The resource quota refers to the maximum amount of resources that VIM1 is allowed to allocate for VNFM1 in total.

S11. The VIM1 sends a notification message to the management node, and notifies the management node that the amount of resources requested by the VNFM1 exceeds the resource quota.

Exemplarily, VIM1 can notify the management node, the relationship between the amount of resources requested by VNFM1 and the resource quota, the information of the requested excess resource amount, and the like. For example, the needle The resource quota for VNFM1 is 40% of the total resource of VIM1. VNFM1 has requested 20% of VIM1 resources from VIM1 before requesting resource allocation to VIM1. This time, VNFM1 requests VIM1 for 30% of VIM1 resources. Then, VIM1 can notify the management node that the remaining available resources of VNFM1 are 20% of the total resources of VIM1. For example, the total amount of resources of VIM1 is 10 CPUs, and the remaining available resources of VNFM1 are 2 CPUs. .

S12. The management node performs judgment or decision according to the saved resource usage information.

The resource usage information is used to represent the resource allocation of the VIM1, and is recorded in the resource mapping table saved by the management node.

Exemplarily, if the management node queries the resource usage information of the VIM1 to determine that the VNFM2 has a small amount of resources used on the VIM1, and the VNFM2 has more remaining resources available on the VIM1, the management node can adjust the VNFM1. And VNFM2 resource quota on VIM1.

S13. The management node sends the updated resource quota information for VNFM1 to VIM1.

Exemplarily, the management node can adjust the resource quota of VNFM1 on VIM1 from 40% of the total amount of resources of VIM1 to 60%, and adjust the resource quota of VNFM2 on VIM1 from 60% of the total amount of resources of VIM1. Up to 40%.

S14. The VIM1 allocates resources to the VNFM1 according to the received updated resource quota information, and sends a response message to the VNFM1.

It should be noted that VIM1 determines that the request of VNFM1 can be satisfied according to the updated resource quota information, so that VIM1 can allocate resources for VNFM1.

Method 2:

S20. The VIM1 receives the request message of the VNFM1, and determines, according to the request message, the resource requested by the VNFM1 to the VIM1, exceeding the resource quota for the VNFM1.

S21. The VIM1 sends a notification message to the management node to notify the management node that the amount of resources requested by the VNFM1 exceeds the resource quota.

S22. The management node performs judgment or decision according to the saved resource usage information.

Exemplarily, if the management node queries the resource usage information of VIM1, If the amount of the remaining resources of the VIM1 is small, the management node can query the resource usage information of the other VIMs to determine other VIMs with a large amount of remaining resources, such as VIM2, to allocate resources for the VNFM1.

S23. The management node sends the identifier of the VIM2 to the VNFM1.

S24. After receiving the identifier of the VIM2, the VNFM1 sends a request message to the VIM2.

S25. After receiving the request message, VIM2 allocates resources for VNFM1.

S26. VIM2 sends a response message to VNFM1.

Method 3:

S30. After receiving the request message of the VNFM1, the VIM1 determines, according to the request message, the resource requested by the VNFM1 to the VIM1, and exceeds the resource quota for the VNFM1.

S31. The VIM sends a reject message to the VNFM1.

Exemplarily, the rejection message may carry the relationship between the amount of resources requested by the VNFM1 and the resource quota, the information of the requested excess resource, and the like.

S32 and VNFM1 make a decision according to the rejection message.

Exemplarily, the VNFM1 can reduce the VNF of the resource to be allocated according to the reject message, so that the remaining available resources of the VNFM1 on the VIM can satisfy the amount of resources required for the VNF after the shrinking.

S33. VNFM1 resends the updated request message to VIM1.

The request message carries the updated resource information.

After receiving the request message, the SIM and the VIM1 allocate resources to the VNFM1 according to the request message.

S35. VIM1 sends a response message to VNFM1.

An embodiment of the present invention provides a method for establishing a connection between a VNFM and a VIM. The method may include: the VNFM receiving management node sends a notification message, where the notification message carries the identifier of the VIM and the connection information of the VIM, when the VNFM is not established. When the VIM is connected, the VNFM saves the identifier of the VIM and the connection information of the VIM, and sends a request message to the VIM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, where the VNFM is identified and The connection information of the VNFM is used by the VIM to establish a connection with the VNFM. Through the above method, VNFM receives After the notification message, when the connection with the VIM is not established, the identifier of the VIM and the connection information of the VIM are automatically saved, and the identifier of the VNFM and the connection information of the VNFM are carried in the request message and sent to the VIM, so that the VIM can automatically save the identifier of the VNFM and the connection information of the VNFM to complete the establishment of the connection between the VNFM and the VIM, thereby improving the efficiency of establishing a connection between the VIM and the VNFM, thereby improving The efficiency of resource allocation for VNF.

Embodiment 3

As shown in FIG. 9, an embodiment of the present invention provides an apparatus, which may be an entity of a VNFM as described in the embodiment shown in FIG. 2, or as shown in any of FIG. 5 to FIG. The device may also be a physical device in the NFV system in which a logical function module capable of executing the method flow that the VNFM can execute, the physical device may be independently installed in the physical device of the VNFM, or may be capable of interacting with the VNFM. A physical device that communicates with a physical device. The apparatus can also be presented in the form of a chip carrying an application capable of implementing a method flow that the VNFM can execute.

The device can include:

The receiving unit 10 is configured to receive a notification message sent by the management node, where the notification message carries the identifier of the VIM and the connection information of the VIM, and the identifier of the VIM and the connection information of the VIM are used for establishing and speaking the VNFM. VIM connection.

The saving unit 11 is configured to save the identifier of the VIM and the connection information of the VIM received by the receiving unit 10 when the VNFM does not establish a connection with the VIM.

The sending unit 12 is configured to send a request message to the VIM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, and the identifier of the VNFM and the connection information of the VNFM are used by the VIM Establish a connection with the VNFM.

Optionally, the saving unit 11 is specifically configured to determine whether the identifier of the VIM received by the receiving unit 10 and the identifier of the VIM that is saved by the saving unit 11 and that has established a connection with the VNFM are the same.

If the identifier of the VIM and the identifier of the at least one VIM that has established a connection with the VNFM are different, the VNFM does not establish a connection with the VIM, if the identifier of the VIM and any one of the The VIM that has established a connection with the VNFM has the same identity, and the VNFM has established a connection with the VIM.

Optionally, the connection information of the VIM received by the receiving unit 10 includes at least an IP address of the VIM.

The connection information of the VNFM sent by the sending unit 12 includes at least an IP address of the VNFM.

Optionally, the notification message received by the receiving unit 10 and the request message sent by the sending unit 12 further carry resource quota information, where the resource quota information is used to indicate that the VIM is allowed to be the VNFM. The assigned resource quota.

An embodiment of the present invention provides a device, which is configured to receive, by a management node, a notification message, where the notification message carries a VIM identifier and connection information of the VIM. When the VNFM does not establish a connection with the VIM, the device can save the An identifier of the VIM and the connection information of the VIM, and sending a request message to the VIM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, where the identifier of the VNFM and the connection information of the VNFM are used for the VIM Establish a connection to the VNFM. After receiving the notification message, the device provided by the embodiment of the present invention can automatically protect the identifier of the VIM and the connection information of the VIM when the VNFM determines that the connection with the VIM is not established, and the identifier of the VNFM and the VNFM. The connection information is carried in the request message and sent to the VIM, so that the VIM can automatically save the identifier of the VNFM and the connection information of the VNFM to complete the establishment of the connection between the VNFM and the VIM without manual operation. Established, thereby greatly improving the efficiency of establishing a connection between VIM and VNFM, thereby improving the efficiency of resource allocation of VNF.

As shown in FIG. 10, an embodiment of the present invention provides an apparatus, which may be an entity of a VIM as described in the embodiment shown in FIG. 3, or as shown in any of FIG. 5 to FIG. The device may also be a physical device in the NFV system in which a logical function module capable of executing the method flow that the VIM can execute may be performed, and the physical device may be independently installed in the physical device of the VIM, or may be capable of interacting with the VIM. Real A physical device that communicates with a device. The apparatus can also be presented in the form of a chip carrying an application capable of implementing a method flow that the VNFM can execute.

The device can include:

The receiving unit 20 is configured to receive a request message sent by the VNFM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, and the identifier of the VNFM and the connection information of the VNFM are used for establishing and connecting the VIM. The connection of the VNFM.

The saving unit 21 is configured to save the identifier of the VNFM and the connection information of the VNFM received by the receiving unit 20 when the VIM does not establish a connection with the VNFM.

Optionally, the saving unit 21 is configured to determine whether the identifier of the VNFM received by the receiving unit 20 and the identifier of the VNFM that the at least one saved by the saving unit 21 has established with the VIM are the same.

If the identifier of the VNFM and the identifier of the at least one VNFM that has established a connection with the VIM are different, the VIM does not establish a connection with the VNFM, if the identifier of the VNFM and any one of the The VNFM that has established a connection with the VIM has the same identity, and the VIM has established a connection with the VNFM.

Optionally, the connection information of the VNFM received by the receiving unit 20 includes at least an IP address of the VNFM.

Optionally, the request message received by the receiving unit 20 further includes resource quota information, where the resource quota information is used to indicate a resource quota that is allowed to be allocated by the VIM to the VNFM.

The saving unit 21 is specifically configured to save the identifier of the VNFM, the connection information of the VNFM, and the resource quota information.

The embodiment of the present invention provides a device, which is capable of receiving a request message sent by a VNFM, where the request message carries the identifier of the VNFM and the connection information of the VNFM. When the VIM does not establish a connection with the VNFM, the device can save the device. The VNFM's identity and the connection information of the VNFM. The apparatus provided by the embodiment of the present invention can automatically save the identifier of the VNFM and the connection information of the VNFM carried in the request message after receiving the request message sent by the VNFM, to complete the VIM and the VNFM. The establishment of the connection between the two, thereby improving the efficiency of establishing a connection between the VIM and the VNFM, thereby improving the efficiency of resource allocation of the VNF.

As shown in FIG. 11, an embodiment of the present invention provides a device, which may be the management node as described in the embodiment shown in FIG. 4 or any of the figures shown in FIG. 5 to FIG. The physical device may also be a physical device in the NFV system, which is capable of executing a logical function module of the method flow that the management node can execute, and the physical device may be independently installed in the physical device of the management node, or may be a physical device. A physical device capable of communicating with a physical device of a management node. The apparatus can also be presented in the form of a chip carrying an application capable of implementing a method flow that the management node can execute.

The device can include:

The obtaining unit 30 is configured to obtain an identifier of the VIM, where the VIM is a VIM that meets resource requirement information of the VNF of the resource to be allocated.

The obtaining unit 30 is further configured to acquire, according to the identifier of the VIM, connection information of the VIM corresponding to the identifier of the VIM.

The sending unit 31 is configured to send a notification message to the VNFM, where the notification message carries the identifier of the VIM acquired by the acquiring unit 30 and the connection information of the VIM, the identifier of the VIM, and the connection information of the VIM. Used for the VNFM to establish a connection with the VIM.

Optionally, in conjunction with FIG. 11, as shown in FIG. 12, the apparatus further includes a determining unit 32.

The determining unit 32 is configured to determine, before the obtaining unit 30 obtains the connection information of the VIM corresponding to the identifier of the VIM, according to the identifier of the VIM, whether the VIM and the VNFM are establish connection.

The obtaining unit 30 is specifically configured to: when the determining unit 32 determines that the connection between the VIM and the VNFM is not established, obtain the VIM corresponding to the identifier of the VIM according to the identifier of the VIM. Connection information.

Optionally, the determining unit 32 is configured to determine whether a connection is established between the VIM and the VNFM according to a preset resource mapping table.

Optionally, in conjunction with FIG. 12, as shown in FIG. 13, the apparatus further includes a receiving unit 33.

The sending unit 31 is further configured to: after the acquiring unit 30 acquires the identifier of the VIM, before the acquiring unit 30 acquires the connection information of the VIM corresponding to the identifier of the VIM, according to the identifier of the VIM And sending a resource reservation request message to the VIM, where the resource reservation request message carries the identifier of the VNFM, where the identifier of the VNFM is used to determine whether the VIM has established a connection with the VNFM.

The receiving unit 33 is configured to receive a resource reservation response message sent by the VIM, where the resource reservation response message carries a connection indication identifier, where the connection indication identifier indicates whether the VIM has been established with the VNFM connection.

The determining unit 32 is specifically configured to determine whether a connection has been established between the VIM and the VNFM according to the connection indication identifier received by the receiving unit 33.

Optionally, the obtaining unit 30 is further configured to: after obtaining the identifier of the VIM, the sending unit 31 obtains resource quota information configured by the management node for the VIM, and the resource quota information, before sending the notification message to the VNFM. A resource quota for indicating that the VIM is allowed to be allocated to the VNFM.

The notification message sent by the sending unit 31 further carries the resource quota information acquired by the acquiring unit.

The embodiment of the present invention provides a device, which can obtain the VIM identifier and the VIM connection information corresponding to the VIM, and send a notification message to the VNFM, where the VIM is a resource that satisfies the VNF of the resource to be allocated. The VIM of the request information carries the identifier of the VIM and the connection information of the VIM, and the identifier of the VIM and the connection information of the VIM are used by the VNFM to establish a connection with the VIM. With the device provided by the embodiment of the present invention, the identifier of the VIM and the connection information of the VIM can be carried in the notification message and sent to the VNFM, so that the VNFM can automatically save the identifier of the VIM and the connection information of the VIM to automatically establish The connection with the VIM improves the efficiency of establishing a connection between the VIM and the VNFM, thereby improving the efficiency of resource allocation of the VNF.

Embodiment 4

As shown in FIG. 14, an embodiment of the present invention provides a device, where the device may be a physical device where the VNFM is located in the foregoing embodiment, or may be a physical device capable of communicating with a physical device where the VNFM is located. . The apparatus is capable of executing a method flow that the VNFM can perform. Specifically, the apparatus can include a processor 40, a memory 41, a communication interface 42, and a system bus 43. The processor 40, the memory 41, and the communication interface 42 are connected by the system bus 43 and complete communication with each other.

The processor 40 may be a central processing unit (English: central processing unit, abbreviated as CPU), or an application specific integrated circuit (ASIC), or configured to implement the implementation of the present invention. An example of one or more integrated circuits.

The memory 41 may include a volatile memory (English: Volatile memory), such as a random access memory (English: random-access memory, abbreviation: RAM); the memory 41 may also include a non-volatile memory (English: Non-volatile memory, such as read-only memory (English: read-only memory, abbreviation: ROM), flash memory (English: flash memory), hard disk (English: hard disk drive, abbreviation: HDD) or solid state drive (English) : solid-state drive, abbreviated: SSD); the memory 41 may also include a combination of the above types of memories.

The communication interface 42 is used to interact with other nodes, such as a function node such as a VIM or a management node.

When the device is in operation, the processor 40 and the memory 41 may perform the method flow described in FIG. 2 or any one of FIG. 5 to FIG.

The processor 40 is configured to receive, by using the communication interface 42, a notification message sent by the management node, where the notification message carries the identifier of the VIM and the connection information of the VIM, and when the VNFM does not establish a connection with the VIM And storing the connection information of the VIM and the connection information of the VIM, and sending a request message to the VIM by using the communication interface 42, where the request message carries the identifier of the VNFM and the connection information of the VNFM, Wherein the identifier of the VIM and the connection letter of the VIM The VNFM establishes a connection with the VIM, and the identifier of the VNFM and the connection information of the VNFM are used by the VIM to establish a connection with the VNFM.

The memory 41 is configured to store a code of the notification message, a code of the identifier of the VIM, a code of the connection information of the VIM, a code of the request message, a code of the identifier of the VNFM, the VNFM Code of connection information, and a software program that controls the processor 40 to perform the above process, such that the processor 40 executes the software program and invokes the code of the notification message, the code of the identifier of the VIM, The code of the connection information of the VIM, the code of the request message, the code of the identifier of the VNFM, and the code of the connection information of the VNFM complete the above process.

Optionally, the processor 40 is specifically configured to determine whether the identifier of the VIM and the identifier of the VIM that is stored by the processor and that is connected to the VNFM are the same.

Optionally, the connection information of the VIM received by the processor 40 includes at least an IP address of the VIM.

The connection information of the VNFM sent by the processor 40 includes at least an IP address of the VNFM.

Optionally, the notification message and the request message received by the processor 40 further carry resource quota information, where the resource quota information is used to indicate a resource quota that is allowed to be allocated by the VIM to the VNFM.

An embodiment of the present invention provides a device, which is configured to receive, by a management node, a notification message, where the notification message carries a VIM identifier and connection information of the VIM. When the VNFM does not establish a connection with the VIM, the device can save the The identifier of the VIM and the connection information of the VIM, and sending a request message to the VIM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, where the label of the VNFM The connection information to the VNFM is used to establish a connection with the VNFM. After receiving the notification message, the device provided by the embodiment of the present invention can automatically protect the identifier of the VIM and the connection information of the VIM when the VNFM determines that the connection with the VIM is not established, and the identifier of the VNFM and the VNFM. The connection information is carried in the request message and sent to the VIM, so that the VIM can automatically save the identifier of the VNFM and the connection information of the VNFM to complete the establishment of the connection between the VNFM and the VIM, thereby improving the establishment. The efficiency of the connection between VIM and VNFM, which in turn increases the efficiency of resource allocation of the VNF.

As shown in FIG. 15, an embodiment of the present invention provides a device, which may be a physical device where a VIM is located in the foregoing embodiment, or may be a physical device capable of communicating with a physical device where the VIM is located. . The apparatus is capable of executing a method flow that the VIM can execute. Specifically, the apparatus can include a processor 50, a memory 51, a communication interface 52, and a system bus 53. The processor 50, the memory 51, and the communication interface 52 are connected by the system bus 53 and complete communication with each other.

The processor 50 can be a CPU or an ASIC, or one or more integrated circuits configured to implement embodiments of the present invention.

The memory 51 may include a volatile memory such as a RAM; the memory 51 may also include a non-volatile memory such as a ROM, a flash memory, an HDD or an SSD; the memory 51 may also include a memory of the above kind combination.

The communication interface 52 is used to interact with other nodes, for example, with a function node such as a VNFM or a management node.

When the device is in operation, the processor 50 and the memory 51 may perform the method flow described in FIG. 3 or any of the figures in FIG. 5 to FIG.

The processor 50 is configured to receive, by using the communication interface 52, a request message sent by the VNFM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, when the VIM does not establish a connection with the VNFM. And storing the identifier of the VNFM and the connection information of the VNFM, where the identifier of the VNFM and the connection information of the VNFM are used by the VIM to establish a connection with the VNFM; the memory 51, a code for storing the request message, a code of the VNFM identification, a connection information of the VNFM, and a software program for controlling the processor 50 to complete the above process, so that the processor 50 executes the The software program calls the code of the request message, the code of the VNFM identification, and the code of the VNFM connection information to complete the above process.

Optionally, the processor 50 is specifically configured to determine whether the identifier of the VNFM and the identifier of the VNFM that is configured by the processor 50 to establish a connection with the VIM are the same.

Optionally, the connection information of the VNFM received by the processor 50 includes at least an IP address of the VNFM.

Optionally, the request message received by the processor 50 further carries resource quota information, where the resource quota information is used to indicate a resource quota that is allowed to be allocated by the VIM to the VNFM.

The processor 50 is specifically configured to save the identifier of the VNFM, the connection information of the VNFM, and the resource quota information.

The embodiment of the present invention provides a device, which is capable of receiving a request message sent by a VNFM, where the request message carries the identifier of the VNFM and the connection information of the VNFM. When the VIM does not establish a connection with the VNFM, the device can save the device. The VNFM's identity and the connection information of the VNFM. The device provided by the embodiment of the present invention can automatically save the identifier of the VNFM and the connection information of the VNFM carried in the request message after receiving the request message sent by the VNFM, so as to complete the connection between the VIM and the VNFM. The establishment of the connection, thereby improving the efficiency of establishing a connection between VIM and VNFM, thereby improving the efficiency of resource allocation of VNF.

As shown in FIG. 16, the embodiment of the present invention provides a device, which may be the physical device where the management node is located in the foregoing embodiment, or may be A physical device in which the physical device in which the management node is located communicates. The apparatus is capable of executing a method flow that a management node can perform. Specifically, the apparatus can include a processor 60, a memory 61, a communication interface 62, and a system bus 63. The processor 60, the memory 61, and the communication interface 62 are connected by the system bus 63 and complete communication with each other.

The processor 60 can be a CPU or an ASIC, or one or more integrated circuits configured to implement embodiments of the present invention.

The memory 61 may include a volatile memory such as a RAM; the memory 61 may also include a non-volatile memory such as a ROM, a flash memory, an HDD or an SSD; the memory 61 may also include a memory of the above kind combination.

The communication interface 62 is used to interact with other nodes, for example, with functional nodes such as VNFM and VIM.

The processor 60 and the memory 61 may perform the method flow described in any of FIG. 4 to FIG. 8 when the device is in operation, and specifically includes:

The processor 60 is configured to acquire the identifier of the VIM, obtain the connection information of the VIM corresponding to the identifier of the VIM, and send a notification message to the VNFM by using the communication interface 60, according to the identifier of the VIM, The notification message carries the identifier of the VIM and the connection information of the VIM that are obtained by the acquiring unit, and the identifier of the VIM and the connection information of the VIM are used by the VNFM to establish a connection with the VIM. The VIM is a VIM that satisfies the resource requirement information of the VNF of the resource to be allocated.

The memory 61 is configured to store a code of the identifier of the VIM, a code of the connection information of the VIM, a code of the notification message, a code of the resource requirement information, and control the processor 60 to complete the foregoing process. Software program, such that the processor 60 executes the software program and invokes the code of the VIM, the code of the connection information of the VIM, the code of the notification message, and the code of the resource requirement information. To complete the above process.

Optionally, the processor 60 is further configured to: before determining, according to the identifier of the VIM, the connection information of the VIM corresponding to the identifier of the VIM, determining whether the VIM and the VNFM are establish connection.

The processor 60 is configured to: when it is determined that the connection between the VIM and the VNFM is not established, obtain the connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM.

Optionally, the processor 60 is configured to determine whether a connection is established between the VIM and the VNFM according to a preset resource mapping table.

Optionally, the processor 60 is further configured to: after acquiring the identifier of the VIM, obtain the connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM, and send the resource to the VIM. The request message is reserved, and the resource reservation request message carries the identifier of the VNFM, and the identifier of the VNFM is used to determine whether the VIM has established a connection with the VNFM.

The processor 60 is further configured to receive a resource reservation response message sent by the VIM, where the resource reservation response message carries a connection indication identifier, where the connection indication identifier indicates whether the VIM has been established with the VNFM Connection.

The processor 60 is specifically configured to determine, according to the connection indication identifier, whether a connection has been established between the VIM and the VNFM.

Optionally, the processor 60 is further configured to: after obtaining the identifier of the VIM, before acquiring the notification message to the VNFM, acquiring resource quota information configured by the management node for the VIM, where the resource quota information is used to indicate permission The resource quota allocated by the VIM for the VNFM.

The notification message sent by the processor 60 further carries the resource quota information acquired by the acquiring unit.

The embodiment of the present invention provides a device, which can obtain the VIM identifier and the VIM connection information corresponding to the VIM, and send a notification message to the VNFM, where the VIM is a resource that satisfies the VNF of the resource to be allocated. The VIM of the request information carries the identifier of the VIM and the connection information of the VIM, and the identifier of the VIM and the connection information of the VIM are used by the VNFM to establish a connection with the VIM. With the device provided by the embodiment of the present invention, the identifier of the VIM and the connection information of the VIM can be carried in the notification message and sent to the VNFM, so that the VNFM can automatically save the identifier of the VIM and the connection information of the VIM to automatically establish Connected with the VIM The connection improves the efficiency of establishing a connection between the VIM and the VNFM, thereby improving the efficiency of resource allocation of the VNF.

Embodiment 5

As shown in FIG. 17, an embodiment of the present invention provides a communication system, which may include the apparatus shown in FIG. 9, the apparatus shown in FIG. 10, and any of FIGS. 11-13. The device shown, and the VNF; alternatively, the communication system can include the device shown in Figure 14, the device shown in Figure 15, the device shown in Figure 16, and the VNF.

Wherein, both the device shown in FIG. 9 and the device shown in FIG. 14 may be referred to as VNFM; the device shown in FIG. 10 and the device shown in FIG. 15 may be referred to as VIM; FIG. 11 to FIG. The apparatus shown in any of the figures, and the apparatus shown in FIG. 16 may be referred to as a management node.

In the communication system provided by the embodiment of the present invention, the management node can obtain the identifier of the VIM and the connection information of the VIM corresponding to the identifier of the VIM, and send a notification message to the VNFM, where the notification message carries the identifier of the VIM and the VIM. The connection information, the identifier of the VIM and the connection information of the VIM are used by the VNFM to establish a connection with the VIM; after receiving the notification message, the VNFM saves the identifier of the VIM when the VNFM does not establish a connection with the VIM. And the connection information of the VIM, and sending a request message to the VIM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, and the identifier of the VNFM and the connection information of the VNFM are used for establishing the VIM with the VNFM. After the VIM receives the request message, when the VIM does not establish a connection with the VNFM, the VIM saves the identifier of the VNFM and the connection information of the VNFM, where the VNFM is a VNF responsible for managing resources to be allocated, the VIM VIM to meet the resource requirements information of the VNF.

It can be understood that the VNFM in the communication system provided by the embodiment of the present invention can perform the method for establishing a connection between the VNFM and the VIM as described in any of FIG. 2 or FIG. 5 to FIG. For the specific functions of the modules or devices in the VNFM and the flow of the execution method, refer to the description in the embodiment shown in FIG. 2 or FIG. 5 to any one of FIG. 8 , and details are not described herein again. .

The VIM in the communication system provided by the embodiment of the present invention can perform the method for establishing a connection between the VNFM and the VIM as shown in any one of FIG. 3 or FIG. 5 to FIG. 8 , in the pair of VIMs For the specific function of each module or device and the flow of the method for performing the method, reference may be made to the description in the embodiment shown in FIG. 3 or FIG. 5 to any one of FIG. 8 , and details are not described herein again.

The management node in the communication system provided by the embodiment of the present invention can perform the method for establishing a connection between the VNFM and the VIM as shown in any one of FIG. 4 or FIG. 5 to FIG. 8 , the pair of management nodes For the specific functions of the modules or devices and the flow of the execution method, refer to the description in the embodiment shown in any one of FIG. 4 to FIG. 8 , and details are not described herein again.

With the communication system provided by the embodiment of the present invention, when the VNFM receives the notification message sent by the management node, the VNFM can automatically ensure the connection between the VIM and the VIM when the VNFM determines that the connection with the VIM is not established, and The identifier of the VNFM and the connection information of the VNFM are sent to the VIM in the request message, so that the VIM can automatically save the identifier of the VNFM and the connection information of the VNFM when determining that the connection with the VNFM is not established. The establishment of the connection between the VNFM and the VIM is completed, thereby improving the efficiency of establishing a connection between the VIM and the VNFM, thereby improving the efficiency of resource allocation of the VNF.

It will be clearly understood by those skilled in the art that for the convenience and brevity of the description, only the division of each functional module described above is exemplified. In practical applications, the above function assignment can be completed by different functional modules as needed. The internal structure of the device is divided into different functional modules to perform all or part of the functions described above. For the specific working process of the system, the device and the unit described above, reference may be made to the corresponding process in the foregoing method embodiments, and details are not described herein again.

In the several embodiments provided by the present application, it should be understood that the disclosed system, apparatus, and method may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the modules or units is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be used. Combine or can be integrated into another system, or some features can be ignored Slightly, or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

The integrated unit, if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium. A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) or processor to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage medium includes: a U disk, a mobile hard disk, a read only memory (English full name: Read-Only Memory, English abbreviation: ROM), a random access memory (English full name: Random Access Memory, English abbreviation: RAM), magnetic A variety of media that can store program code, such as a disc or a disc.

The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention. It should be covered by the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the claims.

Claims

A method for establishing a connection between a virtual network function management node VNFM and a virtual machine infrastructure management node VIM, comprising:

The VNFM receives the notification message sent by the management node, where the notification message carries the identifier of the VIM and the connection information of the VIM, and the identifier of the VIM and the connection information of the VIM are used by the VNFM to establish a connection with the VIM. ;

When the VNFM does not establish a connection with the VIM, the VNFM saves the identifier of the VIM and the connection information of the VIM;

The VNFM sends a request message to the VIM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, and the identifier of the VNFM and the connection information of the VNFM are used to establish and establish the VIM. The connection of the VNFM.
The method according to claim 1, wherein the method for determining that the VNFM does not establish a connection with the VIM comprises:

Determining, by the VNFM, whether the identifier of the VIM and the identifier of the VIM that the VNFM holds to establish a connection with the VNFM are the same;

If the VNFM determines that the identifier of the VIM and the identifier of the at least one VIM that has established a connection with the VNFM are different, the VNFM does not establish a connection with the VIM;

And if the VNFM determines that the identifier of the VIM is the same as the identifier of any one of the VIMs that have established a connection with the VNFM, the VNFM has established a connection with the VIM.
Method according to claim 1 or 2, characterized in that

The connection information of the VIM includes at least a source Internet Protocol IP address of the VIM;

The connection information of the VNFM includes at least an IP address of the VNFM.
The method according to any one of claims 1 to 3, wherein the method further comprises:

The notification message and the request message further carry resource quota information, where the resource quota information is used to indicate a resource quota that is allowed to be allocated by the VIM to the VNFM.
A method for establishing a connection between a virtual network function management node VNFM and a virtual machine infrastructure management node VIM, comprising:

The VIM receives the request message sent by the VNFM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, and the identifier of the VNFM and the connection information of the VNFM are used by the VIM to establish the VNFM with the VNFM. connection;

When the VIM does not establish a connection with the VNFM, the VIM saves the identifier of the VNFM and the connection information of the VNFM.
The method according to claim 5, wherein the method for determining that the VIM does not establish a connection with the VNFM comprises:

Determining, by the VIM, whether the identifier of the VNFM and the identifier of the VNFM that the VIM holds at least one connection that has been established with the VIM are the same;

If the VIM determines that the identifier of the VNFM and the identifier of at least one of the VNFMs that have established a connection with the VIM are different, the VIM does not establish a connection with the VNFM;

And if the VIM determines that the identifier of the VNFM is the same as the identifier of any one of the VNFMs that have established a connection with the VIM, the VIM has established a connection with the VNFM.
Method according to claim 5 or 6, characterized in that

The connection information of the VNFM includes at least a source internet protocol IP address of the VNFM.
A method according to any one of claims 5-7, wherein

The request message further includes resource quota information, where the resource quota information is used to indicate a resource quota that is allowed to be allocated by the VIM to the VNFM.

The VIM saves the identifier of the VNFM and the connection information of the VNFM, including:

The VIM saves the identifier of the VNFM, the connection information of the VNFM, and the resource quota information.
A method for establishing a connection between a virtual network function management node VNFM and a virtual machine infrastructure management node VIM, comprising:

The management node obtains the identifier of the VIM, where the VIM is a VIM that satisfies the resource requirement information of the virtual network function VNF of the resource to be allocated;

The management node acquires connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM;

The management node sends a notification message to the VNFM, where the notification message carries the identifier of the VIM and the connection information of the VIM, and the identifier of the VIM and the connection information of the VIM are used by the VNFM to establish and VIM connection.
The method according to claim 9, wherein the method further includes: before the management node acquires the connection information of the VIM corresponding to the identifier of the VIM, according to the identifier of the VIM, the method further includes:

Determining, by the management node, whether a connection has been established between the VIM and the VNFM;

The management node acquires, according to the identifier of the VIM, the connection information of the VIM corresponding to the identifier of the VIM, including:

When the management node determines that the connection between the VIM and the VNFM is not established, the management node acquires connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM.
The method according to claim 10, wherein the management node determines whether a connection has been established between the VIM and the VNFM, including:

The management node determines whether a connection has been established between the VIM and the VNFM according to a preset resource mapping table.
The method according to claim 10, wherein after the management node obtains the identifier of the VIM, the management node acquires the connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM. The method further includes:

The management node sends a resource reservation request message to the VIM, where the resource reservation request message carries the identifier of the VNFM, and the identifier of the VNFM is used by the VIM to determine whether a connection with the VNFM has been established. ;

Receiving, by the management node, a resource reservation response message sent by the VIM, where the resource reservation response message carries a connection indication identifier, where the connection indication identifier represents the Whether the VIM has established a connection with the VNFM;

The management node determines whether a connection has been established between the VIM and the VNFM, including:

The management node determines, according to the connection indication identifier, whether a connection has been established between the VIM and the VNFM.
The method according to any one of claims 9 to 12, wherein, after the management node obtains the identifier of the VIM, before the management node sends the notification message to the VNFM, the method further includes:

The management node acquires resource quota information configured by the management node for the VIM, where the resource quota information is used to indicate a resource quota that is allowed to be allocated by the VIM to the VNFM.

The resource information is also carried in the notification message.
A device, comprising:

a receiving unit, configured to receive a notification message sent by the management node, where the notification message carries an identifier of the virtual machine infrastructure management node VIM and connection information of the VIM, where the identifier of the VIM and the connection information of the VIM are used a virtual network function management node VNFM establishes a connection with the VIM;

a saving unit, configured to save, when the VNFM does not establish a connection with the VIM, the identifier of the VIM and the connection information of the VIM received by the receiving unit;

a sending unit, configured to send a request message to the VIM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, where the identifier of the VNFM and the connection information of the VNFM are used to establish the VIM Connection to the VNFM.
The device of claim 14 wherein:

The saving unit is specifically configured to determine whether the identifier of the VIM received by the receiving unit and the identifier of the VIM that is established by the saving unit and that is connected to the VNFM are the same, if the identifier of the VIM is The identifier of the VIM that has been connected to the VNFM is different, and the VNFM does not establish a connection with the VIM. If the identifier of the VIM and any one of the VIMMs are established, the VNFM is established. The VIM has the same identity, and the VNFM has established a connection with the VIM. Pick up.
Device according to claim 14 or 15, characterized in that

The connection information of the VIM received by the receiving unit includes at least a source Internet Protocol IP address of the VIM;

The connection information of the VNFM sent by the sending unit includes at least an IP address of the VNFM.
Apparatus according to any one of claims 14-16, wherein

The notification message received by the receiving unit and the request message sent by the sending unit further carry resource quota information, where the resource quota information is used to indicate a resource quota that is allowed to be allocated by the VIM to the VNFM.
A device, comprising:

a receiving unit, configured to receive a request message sent by the virtual network function management node VNFM, where the request message carries the identifier of the VNFM and the connection information of the VNFM, where the identifier of the VNFM and the connection information of the VNFM are used. The virtual machine infrastructure management node VIM establishes a connection with the VNFM;

And a saving unit, configured to save the identifier of the VNFM and the connection information of the VNFM received by the receiving unit when the VIM does not establish a connection with the VNFM.
The device of claim 18, wherein

The saving unit is specifically configured to determine whether the identifier of the VNFM received by the receiving unit and the identifier of the VNFM that is established by the saving unit and that is connected to the VIM are the same, if the identifier of the VNFM is The identifier of the VNFM that is connected to the VIM is different, and the VIM does not establish a connection with the VNFM, and if the identifier of the VNFM and any one of the VIMs are established, the VIM is established. The VNFM has the same identity, and the VIM has established a connection with the VNFM.
Device according to claim 18 or 19, characterized in that

The connection information of the VNFM received by the receiving unit includes at least a source Internet Protocol IP address of the VNFM.
Apparatus according to any one of claims 18-20, wherein

The request message received by the receiving unit further carries resource quota information, where the resource quota information is used to indicate a resource quota that is allowed to be allocated by the VIM to the VNFM;

The saving unit is specifically configured to save the identifier of the VNFM, the connection information of the VNFM, and the resource quota information.
A device, comprising:

An obtaining unit, configured to obtain an identifier of a virtual machine infrastructure management node VIM, where the VIM is a VIM that meets resource requirement information of a virtual network function VNF of a resource to be allocated;

The obtaining unit is further configured to acquire, according to the identifier of the VIM, connection information of the VIM corresponding to the identifier of the VIM;

a sending unit, configured to send a notification message to the virtual network function management node VNFM, where the notification message carries the identifier of the VIM acquired by the acquiring unit and the connection information of the VIM, the identifier of the VIM, and the VIM The connection information is used by the VNFM to establish a connection with the VIM.
The device according to claim 22, wherein said device further comprises a determining unit,

The determining unit is configured to determine whether a connection has been established between the VIM and the VNFM before the obtaining unit obtains the connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM. ;

The obtaining unit is configured to: when the determining unit determines that the connection between the VIM and the VNFM is not established, obtain the connection information of the VIM corresponding to the identifier of the VIM according to the identifier of the VIM .
The device according to claim 23, wherein

The determining unit is specifically configured to determine whether a connection has been established between the VIM and the VNFM according to a preset resource mapping table.
The device according to claim 23, wherein said device further comprises a receiving unit,

The sending unit is further configured to: after the acquiring unit acquires the identifier of the VIM, obtain, by the acquiring unit, the identifier corresponding to the VIM according to the identifier of the VIM Before the connection information of the VIM, the resource reservation request message is sent to the VIM, where the resource reservation request message carries the identifier of the VNFM, and the identifier of the VNFM is used to determine whether the VIM has been established. The connection of the VNFM;

The receiving unit is configured to receive a resource reservation response message sent by the VIM, where the resource reservation response message carries a connection indication identifier, where the connection indication identifier indicates whether the VIM has established a connection with the VNFM ;

The determining unit is specifically configured to determine whether a connection has been established between the VIM and the VNFM according to the connection indication identifier received by the receiving unit.
A device according to any one of claims 22-25, wherein

The obtaining unit is further configured to: after obtaining the identifier of the VIM, before sending the notification message to the VNFM, the sending unit acquires resource quota information configured by the management node for the VIM, where the resource quota information is used to indicate that the The resource quota allocated by the VIM to the VNFM;

The notification message sent by the sending unit further carries the resource quota information acquired by the acquiring unit.
A communication system, comprising:

A device according to any one of claims 14-17, a device according to any of claims 18-21, and a device according to any of claims 22-26.