CN109639458B - Method and device for realizing QOS strategy - Google Patents
Method and device for realizing QOS strategy Download PDFInfo
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- CN109639458B CN109639458B CN201811371482.6A CN201811371482A CN109639458B CN 109639458 B CN109639458 B CN 109639458B CN 201811371482 A CN201811371482 A CN 201811371482A CN 109639458 B CN109639458 B CN 109639458B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
- H04L41/5003—Managing SLA; Interaction between SLA and QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/302—Route determination based on requested QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/66—Layer 2 routing, e.g. in Ethernet based MAN's
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
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Abstract
The embodiment of the invention discloses a method and a device for realizing a QOS strategy, which relate to the field of data communication and can realize a refined QOS strategy for different users. The method comprises the following steps: pre-configuring a strategy template, wherein the strategy template comprises strategy classes aiming at different L2TP users, and the strategy classes respectively correspond to different QOS strategies; respectively configuring corresponding matching templates for the strategy classes, wherein the matching templates comprise matching rules; applying the configured policy template to a virtual template interface; and after receiving a message of any L2TP session, traversing the strategy class in the strategy template of the virtual template interface, and applying the QOS strategy in the strategy class corresponding to the matching template where the matched matching rule is located to the L2TP user corresponding to the L2TP session when determining that the matching rule matched with the message of the L2TP session exists in the matching template corresponding to the strategy class.
Description
Technical Field
The invention belongs to the field of data communication, and particularly relates to a method and a device for realizing a QOS strategy.
Background
With the development of data communication technology, a Layer 2Tunneling Protocol (L2TP for short) is commonly used. An application scenario of the existing L2TP technology is that an L2TP user accesses an L2TP Network server (L2TP Network server, LNS for short) through an L2TP Access Concentrator (L2TP Access Concentrator, LAC for short), and usually one or more LACs correspond to one LNS, as shown in fig. 1, an L2TP user 1, an L2TP user 2, and an L2TP user n (n is greater than or equal to 2) Access the LNS through the same LAC1, and in this application scenario, the existing technology cannot implement a Quality of Service (QOS) policy for different L2TP users, and cannot meet different QOS requirements of users.
Disclosure of Invention
The invention provides a method and a device for realizing a QOS strategy, which are used for solving the problems that the prior art can not realize the execution of different QOS strategies aiming at different users and can not meet the differentiation requirements of the users.
In order to achieve the above object, in a first aspect, an embodiment of the present invention provides a method for implementing a QOS policy, where the method is applied in an L2TP network server, and the method includes:
pre-configuring a strategy template, wherein the strategy template comprises strategy classes aiming at different second-layer tunneling protocol L2TP users, and the strategy classes respectively correspond to different QOS strategies;
respectively configuring corresponding matching templates for the strategy classes, wherein the matching templates comprise matching rules;
applying the configured policy template to a virtual template interface;
and after receiving the message of any L2TP session, traversing the strategy class in the strategy template of the virtual template interface, and applying the QOS strategy in the strategy class corresponding to the matching template where the matched matching rule is located to the L2TP user corresponding to any L2TP session when determining that the matching rule matched with the message of any L2TP session exists in the matching template corresponding to the strategy class.
The configuring of the corresponding matching templates for the policy classes respectively specifically includes:
and respectively configuring corresponding matching templates with the same name for the strategy classes according to the names of the strategy classes.
After receiving the message of any L2TP session, before traversing the policy class in the policy template of the virtual template interface, the method further includes:
and generating a corresponding virtual interface for any L2TP session, and establishing a corresponding relation between the virtual interface and the virtual template interface.
Wherein, the applying the QOS policy in the policy class corresponding to the matching template where the matching rule is located to the L2TP user corresponding to any L2TP session specifically includes:
and applying the QOS strategy in the strategy class corresponding to the matching template in which the matched matching rule is positioned to the virtual interface corresponding to any L2TP session according to the established corresponding relation between the virtual interface and the virtual template interface so as to apply the QOS strategy to the L2TP user corresponding to any L2TP session.
Preferably, the matching rule comprises a matching rule comprising a user name.
The method for realizing the QOS strategy provided by the embodiment of the invention can realize a refined QOS strategy aiming at different users, thereby ensuring the requirements of different users on the differentiated QOS strategy. The invention is simple and effective to realize and has high flexibility.
In a second aspect, an embodiment of the present invention provides an apparatus for implementing a quality of service QOS policy, where the apparatus is included in an L2TP network server, and the apparatus includes:
the configuration module is used for configuring a strategy template in advance, the strategy template comprises strategy classes aiming at different second-layer tunneling protocol L2TP users, and the strategy classes respectively correspond to different QOS strategies;
the configuration module is further configured to configure corresponding matching templates for the policy classes, where the matching templates include matching rules;
the application module is used for applying the configured strategy template to a virtual template interface;
the matching module is used for traversing the strategy class in the strategy template of the virtual template interface after receiving the message of any L2TP conversation, and informing the application module when determining that the matching rule matched with the message of any L2TP conversation exists in the matching template corresponding to the strategy class;
the application module is further configured to apply the QOS policy in the policy class corresponding to the matching template in which the matching rule is located to the L2TP user corresponding to the any L2TP session.
The configuration module is specifically configured to configure corresponding matching templates with the same name for the policy class according to the name of the policy class.
Preferably, the apparatus further includes a creating module, configured to generate a corresponding virtual interface for the any L2TP session, and establish a corresponding relationship between the virtual interface and the virtual template interface.
The application module is specifically configured to apply, according to the established correspondence between the virtual interface and the virtual template interface, a QOS policy in a policy class corresponding to the matching template in which the matching rule is located, to the virtual interface corresponding to the any L2TP session, so as to apply the QOS policy to the L2TP user corresponding to the any L2TP session.
Preferably, the matching rule comprises a matching rule comprising a user name.
The method and the device for realizing the QOS strategy provided by the embodiment of the invention can realize a refined QOS strategy aiming at different users, thereby ensuring the differentiated QOS requirements of different users. By configuring a policy template in advance, and after receiving a message of an L2TP session corresponding to an L2TP user, when determining that a matching rule matched with the message of the L2TP session exists in a matching template corresponding to a policy class, applying a QOS policy in the policy class corresponding to the matching template where the matched matching rule exists to the L2TP user corresponding to the L2TP session. The QOS strategy of the L2TP user can be simply and efficiently configured and issued, the technology is simple to realize, and when the QOS strategy of the L2TP user needs to be modified, only adaptive modification needs to be carried out in the strategy template, and the technology has high flexibility in realization.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of an application scenario of L2TP in the prior art;
fig. 2 is a flow chart of a method for implementing QOS policies according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a framework of an apparatus for implementing QOS policy according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a framework of an apparatus for implementing QOS policy according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The system architecture and the service scenario described in the embodiment of the present invention are for more clearly illustrating the technical solution of the embodiment of the present invention, and do not form a limitation on the technical solution provided in the embodiment of the present invention, and it can be known by those skilled in the art that the technical solution provided in the embodiment of the present invention is also applicable to similar technical problems along with the evolution of the system architecture and the appearance of a new service scenario.
The above method is described in detail with reference to specific examples.
In an application scenario of the L2TP technology shown in fig. 1, multiple L2TP users access the LNS through the same LAC, a local connection or a Point-to-Point Protocol (PPP) link is used between the users and the LAC, an L2TP tunnel is established between the LAC and the LNS, and the LNS configures a corresponding virtual template interface for the L2TP tunnel. In the process of establishing the L2TP tunnel, the LNS searches the corresponding virtual template interface according to the opposite terminal name carried by the LAC. In the L2TP negotiation process, the LNS creates a corresponding L2TP session for each L2TP user, and simultaneously generates a corresponding virtual interface, and establishes a corresponding relationship between the virtual interface and the virtual template interface, so that the virtual interface can perform corresponding work by using the configuration issued by the virtual template interface. When the virtual interfaces corresponding to multiple L2TP sessions all correspond to the same virtual template interface, that is, multiple different L2TP users all access the LNS through the same L2TP tunnel, all configurations of the virtual interfaces are issued from the virtual template interfaces, and therefore, all virtual interfaces corresponding to one virtual template interface can only apply the same QOS policy. The LNS is unable to implement different QOS policies for different L2TP users and to meet the L2TP user's differentiated QOS requirements. In order to solve the problem, the scheme of the embodiment of the invention is provided.
As a preferred embodiment of the present invention, an embodiment of the present invention provides a method for implementing a QOS policy, which can be applied in an LNS, as shown in fig. 2, and the method includes the following steps:
In the embodiment of the present invention, one or more policy classes may be configured in a policy template according to actual needs, each policy class corresponds to a different QOS policy, each policy class corresponds to one or more L2TP users, that is, one or more L2TP users may adopt QOS policies in the same policy class, each policy class respectively configures one matching template corresponding to each policy class, the matching template includes a name of the matching template and a matching rule, the name of the matching template may be configured by a user, the matching template may include one or more different matching rules, and the matching rule may include different key field information. As long as the information carried in the message of the L2TP session is matched with any one of the matching rules in the matching template, the QOS policy in the policy class corresponding to the matching template where the matched matching rule is located can be applied to the L2TP user corresponding to the L2TP session.
In this step, a corresponding matching template is configured for each policy class, which specifically includes:
and respectively configuring corresponding matching templates with the same name for each strategy class according to the names of the strategy classes.
In the embodiment of the invention, the name of the strategy class and the name of the matching template are set as the same name to establish the corresponding relation between the strategy class and the matching template, which is beneficial to quickly find out the QOS strategy corresponding to the L2TP user in the subsequent traversal process.
As a preferred mode of the embodiment of the present invention, the name of the matching template may be configured as a user name, and the name of the policy class corresponding to the matching template is also a user name, and when QOS policy configuration needs to be performed on a large number of L2TP users, such a configuration mode is easy for configuration personnel to identify and perform later maintenance.
In the embodiment of the present invention, by configuring a policy template, QOS policies, such as whether shaping is required or not, whether absolute priority scheduling is required or not, can be finely customized according to requirements of different L2TP users, and the configured policy template is applied to a virtual template interface, when a certain L2TP user dials into an LNS through LAC, the LNS creates a corresponding L2TP session for the L2TP user, and simultaneously generates a corresponding virtual interface, and after establishing a corresponding relationship between the virtual interface and the virtual template interface, a QOS policy corresponding to the L2TP user can be found in the policy template of the virtual template interface and applied to a virtual interface corresponding to the L2TP user, so as to implement delivery of QOS policies of the L2TP user, and by the above method, QOS requirements of different users can be finely controlled. The QOS policy referred to in the embodiments of the present invention includes, but is not limited to, Class-Based Weighted Fair Queuing (CBWFQ), Priority Queuing (PQ), General Traffic Shaping (GTS), and the like.
And 202, applying the configured strategy template to a virtual template interface.
Specifically, after receiving a message of any L2TP session, the LNS traverses the policy classes in the policy templates of the virtual template interface, searches for a matching template with the same name according to the name of the policy class when traversing to a certain policy class, performs message matching according to the matching rule in the matching template, and applies the QOS policy in the policy class corresponding to the matching template where the matching rule is located to the L2TP user corresponding to the L2TP session if the key information field in the message of the L2TP session is matched with any matching rule in the matching template. If the key information field in the message of any L2TP session is not matched with all matching rules in the matching template, skipping the policy class and continuously traversing the next policy class. Until all the strategy classes are traversed, in the traversing process, if a matching rule matched with the message of any L2TP conversation exists in a matching template corresponding to the strategy class, a QOS strategy in the strategy class corresponding to the matching template where the matched matching rule is located is applied to the L2TP user corresponding to any L2TP conversation. And if all the strategy classes are traversed and the matching rule matched with the message of any L2TP session is not found, the QOS strategy is not executed for the L2TP user corresponding to any L2TP session.
Specifically, in the embodiment of the present invention, after receiving a message of any L2TP session, before traversing a policy class in a policy template of a virtual template interface, a corresponding virtual interface needs to be generated for the any L2TP session, and a corresponding relationship between the virtual interface and the virtual template interface is established. After the L2TP user establishes any L2TP session with the LNS, the LNS generates a corresponding virtual interface for any L2TP session of the L2TP user, and establishes a corresponding relationship between the virtual interface and the virtual template interface. Therefore, in this step, applying the QOS policy in the policy class corresponding to the matching template where the matching rule that matches is located to the L2TP user corresponding to any one of the L2TP sessions specifically includes:
and applying the QOS strategy in the strategy class corresponding to the matching template in which the matched matching rule is positioned to the virtual interface corresponding to any L2TP session according to the established corresponding relation between the virtual interface and the virtual template interface so as to apply the QOS strategy to the L2TP user corresponding to any L2TP session.
In the embodiment of the present invention, after an L2TP user establishes any L2TP session with an LNS, and the LNS generates a corresponding virtual interface for any L2TP session of the L2TP user, a virtual template interface corresponding to the virtual interface is searched to establish a corresponding relationship between the virtual interface and the virtual template interface, and when the LNS issues a QOS configuration for the L2TP user, all policy classes configured in a policy template of the virtual template interface are traversed. And searching a corresponding matching template according to the name of the strategy class, matching according to a matching rule in the searched matching template, matching the key information field in the message of the L2TP session with any matching rule in the matching template, and applying the QOS strategy in the strategy class corresponding to the matching template where the matched matching rule is located to a virtual interface corresponding to the L2TP session according to the established corresponding relation between the virtual interface and the virtual template interface so as to realize the issuing of the QOS strategy aiming at the L2TP user, wherein by the method, different QOS strategies can be executed aiming at different L2TP users. Different QOS requirements of different L2TP users are met, and the LNS can execute differentiated QOS service aiming at different L2TP users.
It should be particularly noted that, in the embodiment of the present application, the matching rule may be set as a matching rule including a user name, so as to be simpler in implementation.
The specific implementation process of the embodiment of the present invention is now described with specific examples:
assuming that there are L2TP user a and L2TP user B, L2TP user a is a key customer, and needs absolute priority scheduling, ensuring bandwidth 600M, setting DSCP value to 10, and L2TP user B is a common customer, and the requirement is simple, and only needs ensuring bandwidth 400M without absolute priority. Therefore, for the different QOS requirements of the two L2TP users, the method for implementing the QOS policy provided by the embodiment of the present invention specifically includes: configuring a policy template in advance, wherein different policy classes are configured in the policy template based on different L2TP users, the number of the configured policy classes is related to the type of the L2TP user, only two policy classes related to the two types of users, namely an L2TP user A and an L2TP user B, are described here, and specifically, the policy template comprises a policy class 1 which is named as USERA; the QOS policy in policy class 1 is: the bandwidth is 600M, and the DSCP value is 10; the strategy template comprises a strategy class 2 with the name of USERB; the QOS policies in policy class 2 are: a bandwidth of 400M; and configuring a corresponding matching template 1 for the strategy class 1, wherein the name of the matching template is as follows: USERA, matching rule 11 is: a user name USERA; matching rule 12: a DSCP value of 10; configuring a corresponding matching template 2 for the strategy class 2, wherein the name of the matching template is as follows: USERB, matching rule 21 is: a user name USERB;
based on the above requirements and QOS policy configuration, the virtual interface generated by the LNS for the L2TP session corresponding to L2TP user a is VA1, the virtual template interface corresponding to VA1 is VT1, and when the LNS issues QOS configuration for L2TP user a, all policy classes configured under the policy template of the virtual template interface VT1 are traversed. When traversing to the policy class 1, according to the name USERA of the policy class 1, finding out a matching template 1 with the name USERA, where a matching rule 11 of the matching template 1 is a matching user name USERA, the USERA contained in the message of the L2TP session is matched with the user name USERA in the matching rule 11, and the QOS policy in the policy class 1 corresponding to the matching template 1 where the matching rule 11 is located is: the bandwidth is 600M, the DSCP value is 10, and the application is carried out on the virtual interface VA1, so that the QOS policy in the policy class 1 is applied to the L2TP user A; similarly, based on the above steps, the virtual interface generated by the LNS for the L2TP session corresponding to the L2TP user B is VA2, the virtual template interface corresponding to VA2 is VT1, the LNS issues QOS configuration for the L2TP user B, and all policy classes configured under the policy template of the virtual template interface VT1 are traversed. When traversing to the strategy class 1, according to the name USERA of the strategy class 1, searching a matching template 1 with the name USERA, wherein the matching rule 11 of the matching template 1 is the matching user name USERA, the USERB contained in the message of this L2TP session does not match the username USERA in the matching rule 11, continues to execute the matching rule 12, the matching rule 12 is a DSCP value of 10, since the L2TP user B does not require a DSCP value, therefore, the DSCP value contained in the message of the L2TP session is not matched with the matching rule 12, and the next policy class is traversed, and when the policy class 2 is traversed, according to the name USERB of the strategy class 2, a matching template 2 with the name USERB is searched, the matching rule 21 of the matching template 2 is the matching user name USERB, the USERB contained in the message of the L2TP session is matched with the user name USERB in the matching rule 21, and the QOS policy in the policy class 2 corresponding to the matching template 2 in which the matching rule 21 is located is: the bandwidth 400M is applied to the virtual interface VA2, thereby implementing the QOS policy in policy class 2 to be applied to L2TP user B.
The method for realizing the QOS strategy provided by the embodiment of the invention can realize a refined QOS strategy aiming at different users, thereby ensuring the differentiated QOS requirements of different users. The method of the embodiment of the invention, through configuring the strategy template in advance, and after receiving the message of the L2TP conversation corresponding to the L2TP user, when determining that the matching rule matched with the message of the L2TP conversation exists in the matching template corresponding to the strategy class, applies the QOS strategy in the strategy class corresponding to the matching template where the matched matching rule is located to the L2TP user corresponding to the L2TP conversation. The QOS strategy of the L2TP user can be simply and efficiently configured and issued, the technology is simple to realize, and when the QOS strategy of the L2TP user needs to be modified, only adaptive modification needs to be carried out in the strategy template, and the technology has high flexibility in realization.
As a preferred embodiment of the present invention, an apparatus for implementing quality of service QOS policy is provided in an embodiment of the present invention, where the apparatus is included in an L2TP network server, as shown in fig. 3, and the apparatus includes:
a configuration module 301, configured to pre-configure a policy template, where the policy template includes policy classes for different second layer tunneling protocol L2TP users, and the policy classes respectively correspond to different QOS policies.
The configuration module 301 is further configured to configure corresponding matching templates for the policy classes, where the matching templates include matching rules; the matching rule is used for matching key fields included in protocols such as user names, priorities, source IP addresses, destination IP addresses, Differentiated Services Code Point (DSCP) and the like, and L2TP users are distinguished by matching the key field information.
In the embodiment of the present invention, one policy class may correspond to one or more L2TP users, that is, one or more L2TP users adopt QOS policies of the same policy class, and the matching template may include one or more different matching rules, which may include different key field information. As long as the information carried in the message of the L2TP session satisfies any one matching rule in the matching template, it is considered that the matching template of the L2TP user corresponding to the L2TP session is found.
An application module 302, configured to apply the configured policy template to a virtual template interface.
The matching module 303 is configured to, after receiving a message of any L2TP session, traverse a policy class in a policy template of the virtual template interface, and notify the application module 302 when determining that a matching rule matching the message of any L2TP session exists in a matching template corresponding to the policy class;
the application module 302 is further configured to apply the QOS policy in the policy class corresponding to the matching template where the matching rule is located to the L2TP user corresponding to any one of the L2TP sessions.
The configuration module 301 is specifically configured to configure corresponding matching templates with the same name for the policy class according to the name of the policy class.
In the embodiment of the present invention, one or more policy classes may be configured in a policy template according to actual needs, each policy class corresponds to a different QOS policy, each policy class corresponds to one or more L2TP users, that is, one or more L2TP users may adopt QOS policies in the same policy class, each policy class respectively configures one matching template corresponding to each policy class, the matching template includes a name of the matching template and a matching rule, the name of the matching template may be configured by a user, the matching template may include one or more different matching rules, and the matching rule may include different key field information. As long as the information carried in the message of the L2TP session is matched with any one of the matching rules in the matching template, the QOS policy in the policy class corresponding to the matching template where the matched matching rule is located can be applied to the L2TP user corresponding to the L2TP session.
As a preferred mode of the embodiment of the present invention, the name of the matching template may be configured as a user name, and the name of the policy class corresponding to the matching template is also a user name, and when QOS policy configuration needs to be performed on a large number of L2TP users, such a configuration mode is easy for configuration personnel to identify and perform later maintenance.
As shown in fig. 4, the apparatus 30 further includes a creating module 304, configured to generate a corresponding virtual interface for the any L2TP session, and establish a corresponding relationship between the virtual interface and the virtual template interface.
The application module 302 is specifically configured to apply, according to the established correspondence between the virtual interface and the virtual template interface, a QOS policy in a policy class corresponding to the matching template in which the matching rule is located, to the virtual interface corresponding to the any L2TP session, so as to apply the QOS policy to the L2TP user corresponding to the any L2TP session.
The device for realizing the QOS strategy provided by the embodiment of the invention can realize a refined QOS strategy aiming at different users, thereby ensuring the differentiated QOS requirements of different users. The device for realizing the QOS strategy of the embodiment of the invention, through pre-configuring the strategy template, and after receiving the message of the L2TP conversation corresponding to the L2TP user, determines that the matching rule matched with the message of the L2TP conversation exists in the matching template corresponding to the strategy class, and applies the QOS strategy in the strategy class corresponding to the matching template where the matched matching rule is located to the L2TP user corresponding to the L2TP conversation. The QOS strategy of the L2TP user can be simply and efficiently configured and issued, the technology is simple to realize, and when the QOS strategy of the L2TP user needs to be modified, only adaptive modification needs to be carried out in the strategy template, and the technology has high flexibility in realization.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. A method for realizing quality of service (QOS) strategy is applied to an L2TP network server, and the method comprises the following steps:
pre-configuring a strategy template, wherein the strategy template comprises strategy classes aiming at different second-layer tunneling protocol L2TP users, and the strategy classes respectively correspond to different QOS strategies; respectively configuring corresponding matching templates for the strategy classes, wherein the matching templates comprise matching rules;
applying the configured policy template to a virtual template interface;
after receiving a message of any L2TP session, traversing the policy class in the policy template of the virtual template interface, and applying a QOS policy in the policy class corresponding to the matching template where the matching rule is located to the L2TP user corresponding to any L2TP session when determining that the matching rule matched with the message of any L2TP session exists in the matching template corresponding to the policy class;
after receiving the message of any L2TP session, before traversing the policy class in the policy template of the virtual template interface, the method further includes:
and generating a corresponding virtual interface for any L2TP session, and establishing a corresponding relation between the virtual interface and the virtual template interface.
2. The method according to claim 1, wherein the configuring the corresponding matching templates for the policy classes respectively specifically includes:
and respectively configuring corresponding matching templates with the same name for the strategy classes according to the names of the strategy classes.
3. The method of claim 1, wherein the applying the QOS policy in the policy class corresponding to the matching template in which the matching rule is located to the L2TP user corresponding to any one of the L2TP sessions specifically comprises:
and applying the QOS strategy in the strategy class corresponding to the matching template in which the matched matching rule is positioned to the virtual interface corresponding to any L2TP session according to the established corresponding relation between the virtual interface and the virtual template interface so as to apply the QOS strategy to the L2TP user corresponding to any L2TP session.
4. A method according to any of claims 1-3, wherein the matching rules comprise matching rules comprising user names.
5. Apparatus for implementing quality of service, QOS, policies, the apparatus being embodied in an L2TP web server, the apparatus comprising:
the configuration module is used for configuring a strategy template in advance, the strategy template comprises strategy classes aiming at different second-layer tunneling protocol L2TP users, and the strategy classes respectively correspond to different QOS strategies;
the configuration module is further configured to configure corresponding matching templates for the policy classes, where the matching templates include matching rules;
the application module is used for applying the configured strategy template to a virtual template interface;
the matching module is used for traversing the strategy class in the strategy template of the virtual template interface after receiving the message of any L2TP conversation, and informing the application module when determining that the matching rule matched with the message of any L2TP conversation exists in the matching template corresponding to the strategy class;
the application module is further configured to apply a QOS policy in a policy class corresponding to the matching template where the matching rule is located to the L2TP user corresponding to the any L2TP session;
the device further comprises a creating module, configured to generate a corresponding virtual interface for any L2TP session, and establish a correspondence between the virtual interface and the virtual template interface.
6. The apparatus according to claim 5, wherein the configuration module is specifically configured to configure corresponding matching templates with the same name for the policy classes according to the names of the policy classes.
7. The apparatus of claim 5, wherein the application module is specifically configured to apply a QOS policy in a policy class corresponding to a matching template where the matching rule is located to the virtual interface corresponding to the any L2TP session according to the established correspondence between the virtual interface and the virtual template interface, so as to apply the QOS policy to the L2TP user corresponding to the any L2TP session.
8. The apparatus of any of claims 5-7, wherein the matching rule comprises a matching rule comprising a username.
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