CN117439960A - Interface management method and system supporting interface multiplexing and compatible virtual network interconnection - Google Patents
Interface management method and system supporting interface multiplexing and compatible virtual network interconnection Download PDFInfo
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- 238000007726 management method Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000006870 function Effects 0.000 claims description 14
- 238000004590 computer program Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 238000013468 resource allocation Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006855 networking Effects 0.000 description 5
- 238000013507 mapping Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/10—Packet switching elements characterised by the switching fabric construction
- H04L49/111—Switch interfaces, e.g. port details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/30—Peripheral units, e.g. input or output ports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/35—Switches specially adapted for specific applications
- H04L49/356—Switches specially adapted for specific applications for storage area networks
- H04L49/357—Fibre channel switches
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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Abstract
The invention provides an interface management method and system supporting interface multiplexing and compatible virtual network interconnection, which creates a bridge to scan all FC physical interfaces and acquire the related information of the physical interfaces; creating a physical network on the bridge, and adding all FC physical interfaces into the physical network; creating a plurality of virtual networks on a bridge according to service requirements, adding a specified FC physical interface into the specified virtual network according to requirements, and simultaneously creating a corresponding FC virtual interface; forming a three-layer structure of a bridge-network-interface; one FC physical interface is added to a plurality of virtual networks, corresponding FC virtual interfaces are created, and the FC virtual interfaces are mapped to the same FC physical interface. The invention has the beneficial effects that: the method effectively solves the problem of multiplexing of the FC physical interface, and solves the problem of compatibility with the interconnection of the FC switch supporting the FC virtual network and the interconnection of the FC switch not supporting the FC virtual network.
Description
Technical Field
The invention belongs to the field of FC switches, and particularly relates to an interface management method and system supporting interface multiplexing and compatible virtual network interconnection.
Background
FC (Fibre Channel) is a high-speed network technology standard (T11), which was formulated by ANSI standardization organization in 1994, and has the characteristics of high bandwidth, low latency, and low error rate, and is mainly applied to storage networks, such as the connection of a server and a shared storage device, and the internal connection between a storage controller and a drive.
The FC networking is divided into three networking modes of point-to-point, arbitration ring and switching networking, the patent aims at providing a new interface management method for the switching networking mode, in the FC switching networking mode, the FC network is divided into a plurality of sub-networks, the sub-networks cannot communicate with each other so as to control the access among devices, the sub-networks are called FC virtual networks (vffabric), the FC virtual networks (vffabric) have similarities with Ethernet virtual networks (vlan), an Ethernet switch adopts a bridge-vlan-interface three-level structure to manage the Ethernet interface, similarly, the FC switch adopts a bridge-vffabric-interface three-level structure to manage the FC interface, the management of the existing FC switch interface is based on bridge, the FC virtual networks (vffabric) are arranged under bridge, the vffabric manages all FC physical interfaces, and different FC physical interfaces are divided into different FC virtual networks.
The existing bridge-vfabric-interface three-level structure management FC interface has the following problems:
an FC physical interface belongs to an FC network, cannot be shared and used by a plurality of FC networks, cannot realize interface multiplexing, and cannot meet the requirement that the FC-SW-6 protocol prescribes that the FC physical interface is multiplexed by a plurality of switch elements and is connected with a plurality of FC logical switches/nodes.
The FC interface can only be interconnected with a switch supporting the FC virtual network, cannot be simultaneously interconnected with the switch supporting the FC virtual network and the switch not supporting the FC virtual network, and cannot meet the FC-SW-6 protocol requirements.
Disclosure of Invention
In view of the foregoing, the present invention aims to provide an interface management method and system supporting interface multiplexing and compatible virtual network interconnection, so as to solve at least one of the above-mentioned technical problems.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the first aspect of the present invention provides an interface management method supporting interface multiplexing and compatible virtual network interconnection, comprising:
creating a bridge to scan all FC physical interfaces and acquiring the related information of the physical interfaces;
creating a physical network on a bridge, setting the ID of the physical network as 0, and adding all FC physical interfaces into the physical network;
creating a plurality of virtual networks on a bridge according to service requirements, respectively setting corresponding identification IDs for each virtual network, wherein the identification IDs are larger than 0, adding a specified FC physical interface into the specified virtual network according to requirements, and simultaneously creating a corresponding FC virtual interface;
the bridge, the physical network, the virtual network, the physical interface and the virtual interface form a three-layer structure of a bridge-network-interface;
one FC physical interface is added to a plurality of virtual networks, corresponding FC virtual interfaces are created, and the FC virtual interfaces are mapped to the same FC physical interface.
Further, the physical network manages all the FC physical interfaces and is interconnected with the FC switches which do not support the virtual network function;
the virtual networks respectively manage corresponding FC virtual interfaces and are interconnected with FC switches supporting virtual network functions.
Further, the FC physical interface corresponds to the hardware interface of the computer device one to one, and the FC physical interface has a plurality of independent attributes, including:
the method comprises the steps of interface name, interface index number, interface global port name, interface bandwidth, interface speed mode, interface message buffer size, interface error detection timeout time and interface resource allocation timeout time.
Further, the FC interface management system adopts a three-level structure management interface of a bridge-network-interface, wherein the bridge is used as a top layer, the physical network and the virtual network are used as middle layers, and the physical interface and the virtual interface are used as bottom layers;
the physical network and the virtual network are arranged at the lower layer of the bridge, and each physical network and each virtual network are mapped into different FC sub-networks;
each network has a unique identification ID, and different functions are set for different networks according to the identification IDs.
Further, a physical network with an identification ID of 0 is used as a physical network, and a network with an identification ID of not 0 is used as a virtual network;
the physical network manages all FC physical interfaces and is interconnected with a switch which does not support virtual network functions;
the virtual network manages the FC virtual interfaces and interconnects switches that support virtual network functions.
Further, in the process of adding the FC physical interface to the virtual network, creating a corresponding FC virtual interface;
each FC virtual interface is mapped into only one corresponding FC physical interface, and each FC physical interface is associated with a plurality of FC virtual interfaces.
A second aspect of the present invention proposes an electronic device comprising a processor and a memory communicatively connected to the processor for storing instructions executable by the processor, characterized in that: the processor is configured to execute the interface management method supporting interface multiplexing and compatible virtual network interconnection according to any one of the first aspect.
A third aspect of the present invention proposes a server, characterized in that: the system comprises at least one processor and a memory communicatively connected with the processor, wherein the memory stores instructions executable by the at least one processor to cause the at least one processor to perform the interface management method supporting interface multiplexing and compatible virtual network interconnection according to any one of the first aspect.
A fourth aspect of the present invention proposes a computer-readable storage medium storing a computer program, characterized in that: the computer program, when executed by a processor, implements the interface management method supporting interface multiplexing and compatible virtual network interconnection according to any one of the first aspects.
Compared with the prior art, the interface management method and system supporting the interface multiplexing and compatible virtual network interconnection have the following beneficial effects:
the method for mapping the multiple FC virtual interfaces to one FC physical interface effectively solves the problem of multiplexing the FC physical interfaces by using different FC virtual interfaces to send and receive data in different FC virtual networks and actually using the same FC physical interface to send and receive data;
the method comprises the steps of setting all FC physical interfaces for interconnection with the switches which do not support the FC virtual network, setting the FC virtual interfaces for interconnection with the switches which support the FC virtual network, and solving the problems of interconnection with the FC switches which support the FC virtual network and interconnection with the FC switches which do not support the FC virtual network.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 is a schematic diagram of an operation process of an interface management method supporting interface multiplexing and compatible virtual network interconnection according to an embodiment of the present invention.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
Embodiment one:
an interface management method supporting interface multiplexing and compatible virtual network interconnection, comprising:
creating a bridge to scan all FC physical interfaces and acquiring the related information of the physical interfaces;
creating a physical network on a bridge, setting the ID of the physical network as 0, and adding all FC physical interfaces into the physical network;
creating a plurality of virtual networks on a bridge according to service requirements, respectively setting corresponding identification IDs for each virtual network, wherein the identification IDs are larger than 0, adding a specified FC physical interface into the specified virtual network according to requirements, and simultaneously creating a corresponding FC virtual interface;
the bridge, the physical network, the virtual network, the physical interface and the virtual interface form a three-layer structure of a bridge-network-interface (bridge-vfabric-interface);
one FC physical interface is added to a plurality of virtual networks, corresponding FC virtual interfaces are created, and the FC virtual interfaces are mapped to the same FC physical interface.
The FC interface is managed by adopting an improved bridge-vffabric-interface three-level structure, and a vffabric is arranged below the bridge on the basis of the bridge, each vffabric corresponds to a different FC sub-network, and the different vffabrics are uniquely marked by using a vfID, wherein the vffabric with the vfID of 0 represents an FC physical network, and the vffabric with the vfID of greater than 0 represents an FC virtual network.
Accordingly, the FC physical network with vfid=0 manages all FC physical interfaces for interconnection with FC switches not supporting the virtual network, and the FC virtual network with vfid=1, vfid=2, vfid=3 manages FC virtual interfaces for interconnection with FC switches supporting the virtual network, solving the problem of compatibility while interconnection with switches supporting the FC virtual network and switches not supporting the FC virtual network.
In the process of adding the FC physical interfaces to the FC virtual network, the corresponding FC virtual interfaces are created, the FC virtual interfaces are uniquely mapped to one FC physical interface, and a plurality of FC virtual interfaces can be mapped to the same FC physical interface, so that the problem of multiplexing of the FC physical interfaces is solved.
The FC physical interface corresponds to the hardware interface of the computer equipment one by one, and has a plurality of independent attributes, including:
the method comprises the steps of interface name, interface index number, interface global port name, interface bandwidth, interface speed mode, interface message buffer size, interface error detection timeout time and interface resource allocation timeout time.
The working process comprises the following steps:
s1, creating bridge bridges:
when the system is started, a default bridge is created. And simultaneously scanning FC physical interfaces, and storing all the FC physical interfaces to a bridge, wherein the storage content comprises an interface name and an index.
S2, creating an FC network:
after the default bridge is successfully created, an FC physical network with vfid=0, abbreviated as vffabric 0, is created, all FC physical interfaces are obtained from bridge and added to vffabric 0, after that, FC virtual networks with vfid=1, 2, 3, and..once again, abbreviated as vffabric 1, vffabric 2, vffabric 3, … are created as needed, and the specified FC physical interfaces are added to the specified FC virtual networks as needed.
S3, creating an interface:
the FC interfaces correspond to the system driving layer equipment and are divided into three types, namely an FC physical interface, an FC virtual interface and an FC network interface;
the FC physical interface is created when the system is started, corresponds to a real hardware interface, has independent name, index, wwpn, bandwidth, rate, b b_credit, error_detect_ timeout, resource _allocation_timeout and other attributes, and is named FC-x, such as FC-0, FC-1 and FC-2;
the FC network interfaces are created when the FC network is created, corresponding FC network interfaces are created at a system driving layer when the FC network is created, and are named as vf-y, such as vf-0, vf-1 and vf-2, and the FC network interfaces are used for checking and modifying FC network attributes, such as FC network identification ID, FC interface members, FC network modes and the like;
the FC virtual interface is created when the FC physical interface is added to the FC virtual network, named vfc-y.x, y denotes the FC network number, x denotes the FC physical interface number, for example FC virtual interface vfc-2.1 is created when FC physical interface FC-1 is added to vfbrotic 2, the FC virtual interface being used to provide FC network access and interface multiplexing.
S4, multiplexing FC interfaces:
adding one FC physical interface to a plurality of FC virtual networks at an interface management layer, correspondingly creating a plurality of FC virtual interfaces at a system driving layer, mapping the FC virtual interfaces to the same FC physical interface, and for upper-layer application, carrying out data transceiving through different FC virtual interfaces, wherein at the system driving layer, data are transceived through the same physical interface, so as to realize the multiplexing purpose of the FC physical interfaces;
for example, the physical interfaces FC-1 are respectively added to the FC virtual networks vffabric 1 and vffabric 2, corresponding FC virtual interfaces vfc-1.1 and vfc-2.1 are respectively created at the system driving layer, so that upper-layer applications belonging to different FC virtual networks can use different virtual interfaces vfc-1.1 and vfc-2.1 to transmit and receive data, and actually use the same FC physical interface FC-1 at the system driving layer to transmit and receive data;
data transmission, transmitting data from the FC virtual interface, storing the data to the FC physical interface by the system driving layer, and transmitting the data after the vfid number of the FC virtual interface is marked;
and the data is received, reported from the FC physical interface, and the corresponding FC virtual interface is searched in the system driving layer according to the number of the vft tag of the received data and sent from the FC virtual interface.
S5, the switch is compatible;
simultaneously interconnecting a switch supporting the FC virtual network and a switch not supporting the FC virtual network;
the system starts default to create a vfabric 0, is used for managing all FC physical interfaces FC-0, FC-1 and FC-2, is interconnected with an FC switch which does not support an FC virtual network, and does not carry a virtual network mark vft tag in data transceiving;
a user can create a vfabric 1 and a vfabric 2 according to the requirement, and the vfabric 1 and the vfabric 2 are used for managing FC virtual machine interfaces vfc-1.1 and vfc-2.1, are interconnected with an FC switch supporting an FC virtual network, and carry an FC virtual network mark vft tag in data transceiving;
therefore, the FC switch can be connected with the FC switch supporting the FC virtual network or the FC switch not supporting the FC virtual network, and the purposes of compatibility and simultaneous interconnection with the FC switch supporting the FC virtual network and the FC switch not supporting the FC virtual network are realized.
Embodiment two:
an interface management system supporting interface multiplexing and compatible virtual network interconnection, comprising:
the FC interface management system adopts a three-level structure management interface of a bridge-network-interface, wherein the bridge is used as a top layer, a physical network and a virtual network are used as middle layers, and the physical interface and the virtual interface are used as bottom layers;
the physical network and the virtual network are arranged at the lower layer of the bridge, and each physical network and each virtual network are mapped into different FC sub-networks;
each network has a unique identification ID, and different functions are set for different networks according to the identification IDs.
Taking a physical network with an identification ID of 0 as a physical network, and taking a network with an identification ID of not 0 as a virtual network;
the physical network manages all FC physical interfaces and is interconnected with a switch which does not support virtual network functions;
the virtual network manages the FC virtual interfaces and interconnects switches that support virtual network functions.
In the process of adding the FC physical interface to the virtual network, creating a corresponding FC virtual interface;
each FC virtual interface is mapped into only one corresponding FC physical interface, and each FC physical interface is associated with a plurality of FC virtual interfaces.
Embodiment III:
an electronic device comprising a processor and a memory communicatively coupled to the processor for storing processor-executable instructions, characterized in that: the processor is configured to execute any one of the interface management methods supporting interface multiplexing and compatible virtual network interconnection described in the foregoing embodiments.
Embodiment four:
a server, characterized by: the system comprises at least one processor and a memory communicatively connected to the processor, wherein the memory stores instructions executable by the at least one processor to cause the at least one processor to perform the interface management method supporting interface multiplexing and compatible virtual network interconnection as described in any of the embodiments.
Fifth embodiment:
a computer-readable storage medium storing a computer program, characterized in that: the method for managing interfaces supporting multiplexing of interfaces and compatible virtual network interconnection according to any one of the embodiments is implemented when the computer program is executed by a processor.
Those of ordinary skill in the art will appreciate that the elements and method steps of each example described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the elements and steps of each example have been described generally in terms of functionality in the foregoing description to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the several embodiments provided in this application, it should be understood that the disclosed methods and systems may be implemented in other ways. For example, the above-described division of units is merely a logical function division, and there may be another division manner when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted or not performed. The units may or may not be physically separate, and components shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the embodiment of the present invention.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. The interface management method supporting the multiplexing of interfaces and the interconnection of compatible virtual networks is characterized by comprising the following steps:
creating a bridge to scan all FC physical interfaces and acquiring the related information of the physical interfaces;
creating a physical network on a bridge, setting the ID of the physical network as 0, and adding all FC physical interfaces into the physical network;
creating a plurality of virtual networks on a bridge, respectively setting corresponding identification IDs for each virtual network, wherein the identification IDs are larger than 0, adding a specified FC physical interface into the specified virtual network according to the need, and simultaneously creating a corresponding FC virtual interface;
one FC physical interface is added to a plurality of virtual networks, corresponding FC virtual interfaces are created, and the FC virtual interfaces are mapped to the same FC physical interface.
2. The interface management method supporting interface multiplexing and compatible virtual network interconnection according to claim 1, wherein:
the physical network manages all FC physical interfaces and is interconnected with an FC switch which does not support a virtual network function;
the virtual networks respectively manage corresponding FC virtual interfaces and are interconnected with FC switches supporting virtual network functions.
3. The interface management method supporting interface multiplexing and compatible virtual network interconnection according to claim 1, wherein:
the FC physical interface corresponds to the hardware interface of the computer equipment one by one, and has a plurality of independent attributes, including:
the method comprises the steps of interface name, interface index number, interface global port name, interface bandwidth, interface speed mode, interface message buffer size, interface error detection timeout time and interface resource allocation timeout time.
4. An interface management system supporting interface multiplexing and compatible virtual network interconnection, comprising:
the FC interface management system adopts a three-level structure management interface of a bridge-network-interface, wherein the bridge is used as a top layer, a physical network and a virtual network are used as middle layers, and the physical interface and the virtual interface are used as bottom layers;
the physical network and the virtual network are arranged at the lower layer of the bridge, and each physical network and each virtual network are mapped into different FC sub-networks;
each network has a unique identification ID, and different functions are set for different networks according to the identification IDs.
5. The interface management system supporting interface multiplexing and compatible virtual network interconnection as recited in claim 4, wherein:
taking a physical network with an identification ID of 0 as a physical network, and taking a network with an identification ID of not 0 as a virtual network;
the physical network manages all FC physical interfaces and is interconnected with a switch which does not support virtual network functions;
the virtual network manages the FC virtual interfaces and interconnects switches that support virtual network functions.
6. The interface management system supporting interface multiplexing and compatible virtual network interconnection as recited in claim 4, wherein:
in the process of adding the FC physical interface to the virtual network, creating a corresponding FC virtual interface;
each FC virtual interface is mapped into only one corresponding FC physical interface, and each FC physical interface is associated with a plurality of FC virtual interfaces.
7. An electronic device comprising a processor and a memory communicatively coupled to the processor for storing processor-executable instructions, characterized in that: the processor is configured to execute the interface management method for supporting interface multiplexing and compatible virtual network interconnection according to any one of claims 1 to 3.
8. A server, characterized by: comprising at least one processor and a memory communicatively coupled to the processor, the memory storing instructions executable by the at least one processor to cause the at least one processor to perform the interface management method supporting interface multiplexing and compatible virtual network interconnection as claimed in any one of claims 1-3.
9. A computer-readable storage medium storing a computer program, characterized in that: the computer program, when executed by a processor, implements the interface management method supporting interface multiplexing and compatible virtual network interconnection of any one of claims 1 to 3.
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