WO2013078683A1 - 一种l3vpn端到端业务形成的方法和装置 - Google Patents
一种l3vpn端到端业务形成的方法和装置 Download PDFInfo
- Publication number
- WO2013078683A1 WO2013078683A1 PCT/CN2011/083389 CN2011083389W WO2013078683A1 WO 2013078683 A1 WO2013078683 A1 WO 2013078683A1 CN 2011083389 W CN2011083389 W CN 2011083389W WO 2013078683 A1 WO2013078683 A1 WO 2013078683A1
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- vrf
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- l3vpn
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/70—Virtual switches
-
- 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
Definitions
- the present invention relates to the technical field of a Layer 3 Virtual Private Network (L3VPN), and in particular, to a method and an apparatus for forming an L3VPN end-to-end service.
- L3VPN Layer 3 Virtual Private Network
- the traditional analysis method is to analyze the Internet Protocol (IP) route of L3VPN, and judge the VRF of each node according to the reachability of IP routing.
- IP Internet Protocol
- this method has the following disadvantages:
- the main purpose of the present invention is to provide a method and apparatus for forming an L3VPN end-to-end service, so as to avoid the above-mentioned deficiencies of the L3 VPN end-to-end service by analyzing the IP routing of the L3 VPN in the prior art.
- the invention provides a method for forming an end-to-end service of an L3VPN, the method comprising:
- step B Each of the searched associated VRFs is used as the starting VRF, and step B is repeated until all associated VRFs are searched;
- the dynamic rule is:
- the searched VRF is located on a different PE node than the starting VRF, and the outbound RT value of the searched VRF and the incoming RT value of the initial VRF intersect, the incoming RT value of the searched VRF and the start If there is an intersection of the outbound RT values of the VRF, it is determined that the searched VRF is the associated VRF of the starting VRF; otherwise, it is determined that the searched VRF is not the associated VRF of the starting VRF.
- the static rule is: If the searched VRF is located on a different PE node than the initial VRF, and the outbound VPN label of the searched VRF is the same as the incoming VPN label of the initial VRF, the inbound VPN label of the searched VRF and the initial VRF If the outgoing VPN label is the same, it is determined that the searched VRF is the associated VRF of the initial VRF; otherwise, it is determined that the searched VRF is not the associated VRF of the starting VRF.
- the step B further includes:
- the invention also provides an apparatus for forming an end-to-end service of an L3 VPN, the device comprising: a total control module, a dynamic rule analysis module and a static rule analysis module,
- the master control module is configured to select any unlabeled VRF of any PE node as a hand-in VRF, and set the hand-in VRF as a starting VRF; and is further configured to perform the following process X to determine whether the starting VRF is configured Having a routing target RT value, and notifying the dynamic rule analysis module when the determination result is YES; determining whether the initial VRF is configured with a VPN label, and notifying the static rule analysis module when the determination result is sometimes;
- the dynamic rule analysis module is configured to: according to the notification of the total control module, enable a dynamic rule to search for an associated VRF of the initial VRF in an unmarked VRF of the entire network, and mark the searched associated VRF;
- the static rule analysis module is configured to: according to the notification of the total control module, enable a static rule to search for an associated VRF of the initial VRF in an unmarked VRF of the entire network, and mark the searched associated VRF;
- the master control module is further configured to use each of the searched associated VRFs as a starting VRF, and repeatedly perform the processing X until all associated VRFs are searched; and after searching all associated VRFs, The cut-in VRF is combined with the searched associated VRF to generate an L3 VPN end-to-end service.
- the dynamic rule is:
- the searched VRF is located on a different PE node than the starting VRF, and the outbound RT value of the searched VRF and the incoming RT value of the initial VRF intersect, the incoming RT value of the searched VRF and the start If there is an intersection of the outbound RT values of the VRF, it is determined that the searched VRF is the associated VRF of the starting VRF; otherwise, it is determined that the searched VRF is not the associated VRF of the starting VRF.
- the static rule is:
- the searched VRF is located on a different PE node than the initial VRF, and the outbound VPN label of the searched VRF is the same as the incoming VPN label of the initial VRF, the inbound VPN label of the searched VRF and the initial VRF If the outgoing VPN label is the same, it is determined that the searched VRF is the associated VRF of the initial VRF; otherwise, it is determined that the searched VRF is not the associated VRF of the starting VRF.
- the dynamic rule analysis module and the static rule analysis module are further configured to: when the searched VRF is not the associated VRF of the initial VRF, the searched VRF is not marked.
- the master control module is further used,
- the method and device for forming an L3VPN end-to-end service can effectively Avoiding the shortcomings of the L3 VPN end-to-end service by analyzing the IP routing of the L3 VPN in the prior art; directly analyzing the VRF parameters, the analysis rules are simple and straightforward; avoiding the efficiency brought by the large data volume based on IP routing data analysis Problem:
- the VRF configuration is modified (for example, the RT value is modified)
- the re-analysis can be directly performed to correct the original L3VPN service without waiting for the route advertisement process of the protocol.
- the invention can be applied to the formation of L3VPN end-to-end services in dynamic L3VPN, static L3VPN and dynamic and static hybrid configurations.
- FIG. 1 is a flowchart 1 of a method for forming an end-to-end service of an L3VPN according to an embodiment of the present invention
- FIG. 2 is a schematic diagram of a principle of dynamic rule analysis according to an embodiment of the present invention
- FIG. 3 is a schematic diagram of a static rule analysis principle according to an embodiment of the present invention.
- FIG. 4 is a flowchart 2 of a method for forming an end-to-end service of an L3VPN according to an embodiment of the present invention
- FIG. 5 is a schematic diagram of networking in an embodiment of the present invention
- FIG. 6 is a schematic structural diagram of an apparatus for forming an end-to-end service of an L3VPN according to an embodiment of the present invention.
- DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The technical solutions of the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
- Step 101 Select any unlabeled VRF of any PE node as the cut-in VRF, and set the cut-in VRF to the starting VRF.
- Step 102 Determine whether the initial VRF is configured with a route target (RT, Route Target) value, and if the result of the determination is sometimes, enable the dynamic rule to search for the associated VRF associated VRF in the unmarked VRF of the entire network, and The searched associated VRF is marked; the initial VRF is determined Whether the VPN tag is configured, and the result of the determination is that the static rule is enabled to search for the associated VRF of the initial VRF in the unmarked VRF of the entire network, and mark the searched associated VRF.
- RT Route Target
- the dynamic rule is: if the searched VRF and the starting VRF are located on different PE nodes, and the RT value of the searched VRF and the initial VRF are entered. There is an intersection of the RT values. If there is an intersection between the RT value of the searched VRF and the RT value of the initial VRF, the associated VRF of the searched VRF is determined. Otherwise, it is determined that the searched VRF does not start the associated VRF of the VRF.
- the static rule is: if the searched VRF and the initial VRF are located on different PE nodes, and the outbound VPN label of the searched VRF and the incoming VPN label of the initial VRF Similarly, if the incoming VPN tag of the searched VRF is the same as the outgoing VPN tag of the initial VRF, it is determined that the searched VRF is the associated VRF of the initial VRF; otherwise, it is determined that the searched VRF does not start the associated VRF of the VRF.
- the searched VRF is not marked.
- Step 103 Each of the searched associated VRFs is used as a starting VRF, and step 102 is repeated until all associated VRFs are searched.
- steps 102 and 103 are operations performed by the recursive loop until the associated VRF can no longer be searched. And during the recursive loop of steps 102, 103, the VRF, the starting VRF, and the associated VRFs that have been searched for in the previous search process (these VRFs have been flagged) are no longer search targets.
- the L3VPN end-to-end service generation analysis process for the entire network ends.
- the initial VRF can be determined first. Whether the RT value is configured, and when the judgment result is no, it is determined whether the initial VRF is configured with a VPN label. It is also possible to first determine whether the initial VRF is configured with a VPN label, and when the judgment result is no, determine whether the initial VRF is Configured with an RT value.
- the L3VPN end-to-end service formation method mainly includes the following steps:
- Step 401 Select any unlabeled VRF of any PE node as the cut-in VRF, and set the cut-in VRF to the starting VRF.
- Step 402 Determine whether the initial VRF is configured with an RT value. If yes, go to step 403; otherwise, go to step 407.
- Step 403 Search for a VRF located in another PE node in the unlabeled VRF of the entire network.
- Step 404 Determine whether the current VRF of the search satisfies the dynamic rule. If yes, go to step 405; otherwise, return to step 403 to search again.
- Step 405 Mark the current VRF that satisfies the dynamic rule as an associated VRF.
- Step 408 Search for a VRF located in another PE node in the unmarked VRF of the entire network.
- Step 409 Determine whether the current VRF of the search satisfies the static rule. If yes, go to step 410; otherwise, return to step 408 to search again.
- Step 410 Mark the current VRF that satisfies the static rule as an associated VRF.
- Step 411 Determine whether to search for all VRFs that are not marked in the complete network. If yes, go to step 412; otherwise, return to step 408 to search again.
- Steps 412 to 413 determining whether all the associated VRFs are recursed, that is, determining the foregoing search. All associated VRFs (whether associated VRFs that are cut into the VRF or associated VRFs associated with the VRF) are no longer able to search for associated VRFs that satisfy dynamic rules and static rules, and if so, then cut into VRFs and searched All associated VRFs are combined to generate an L3VPN end-to-end service, and the process ends; otherwise, the next associated VRF is set as the starting VRF (selecting the associated VRF that has not been set with the starting VRF from all the associated VRFs searched above) And return to step 402 to continue execution.
- the PE VRF is configured in the RT configuration.
- RT configuration is entered into the VPN out VPN label.
- PE2 VRF-3 is not configured. 1002 to PE1 is not configured.
- PE3 VRF-6 is not configured. Does not configure 2003 to PE1.
- the L3VPN end-to-end service formation method of the embodiment of the present invention is analyzed as follows:
- VRF-3 Determine whether the VRF-1 is configured with a VPN label, and the judgment result is yes, so that the associated VRF of the VRF-1 is searched according to the static rule, and an associated VRF is searched: VRF-3;
- VRF-5 As the starting VRF, performing steps 2) and 3), no new associated VRF is found; it should be noted that when searching for the associated VRF of VRF-5, due to VRF-1, VRF-3, VRF-5 has been flagged and is therefore excluded from the search;
- VRF-3 As the starting VRF, performing steps 2) and 3), no new associated VRF is found; it should be noted that when searching for the associated VRF of VRF-3, due to VRF-1, VRF-3, VRF-5 has been flagged and is therefore excluded from the search;
- VRF-1 Ending the VRF analysis process with VRF-1, forming an end-to-end L3VPN service, which is recorded as service 1.
- the VRF included in the service includes: VRF-1, VRF-3, VRF-5;
- VRF-2 Determine whether VRF-2 is configured with RT, and the judgment result is yes, so as to search the associated VRF of VRF-2 according to the dynamic rule, and search for an associated VRF: VRF-4;
- VRF-4 It is judged whether the VRF-4 is configured with RT, and the judgment result is yes, so that the associated VRF of the VRF-4 is searched according to the dynamic rule, and no new VRF is found. It should be noted that when searching for the associated VRF of VRF-4, since VRF-1, VRF-3, VRF-5, VRF-2, and VRF-4 have been marked, they are excluded from the search;
- VRF-12 Determine whether the VRF-4 is configured with a VPN label, and the judgment result is yes, so that the associated VRF of the VRF-4 is searched according to the static rule, and an associated VRF is searched: VRF-6;
- the final analysis result of the above process is as follows: Two end-to-end L3VPN services are formed.
- the VRFs included in Service 1 are: VRF-1, VRF-3, VRF-5;
- the VRFs included in Service 2 are: VRF-2, VRF- 4.
- the embodiment of the present invention further provides an apparatus for forming an L3VPN end-to-end service, as shown in FIG. 6, which mainly includes: a total control module 10, a dynamic rule analysis module 20, and a static Rule analysis module 30. among them,
- the master control module 10 is configured to select any unlabeled VRF of any PE node as the cut-in VRF, and set the cut-in VRF as the starting VRF; the master control module 10 is further configured to perform the following processing:
- the static rule analysis module Determining whether the initial VRF is configured with a routing target RT value, and notifying the dynamic rule analysis module when the determination result is YES; determining whether the initial VRF is configured with a VPN label, and if the determination result is sometimes, notifying the location The static rule analysis module.
- the static rule analysis module 30 is configured to enable the static rule according to the notification of the master control module 10
- the associated VRF of the initial VRF is searched for in the unmarked VRF of the entire network, and the searched associated VRF is marked.
- the master control module 10 is further configured to use each of the searched associated VRFs as a starting VRF, and repeatedly perform the process X until all associated VRFs are searched; and after searching all the associated VRFs, The cut-in VRF merges with the searched associated VRF to generate an L3VPN end-to-end service.
- the dynamic rule is:
- the searched VRF is located on a different PE node than the starting VRF, and the outbound RT value of the searched VRF and the incoming RT value of the initial VRF intersect, the inbound RT value of the searched VRF and the start If there is an intersection of the outbound RT values of the VRF, it is determined that the searched VRF is the associated VRF of the starting VRF; otherwise, it is determined that the searched VRF is not the associated VRF of the starting VRF.
- the static rule is:
- the dynamic rule analysis module 20 and the static rule analysis module 30 are further configured to: when determining that the searched VRF is not the associated VRF of the initial VRF, do not mark the searched VRF.
- the master control module 10 is further used,
- the method and device for forming an L3VPN end-to-end service can effectively avoid the shortcomings of forming an L3 VPN end-to-end service by analyzing an IP route of an L3 VPN in the prior art; directly analyzing based on VRF parameters,
- the analysis rules are simple and straightforward; the efficiency problem caused by the large data volume based on IP routing data analysis is avoided; when the VRF configuration is modified (such as modifying the RT value), the re-analysis can be directly performed to correct the original L3VPN service. There is no need to wait for the route publishing process of the protocol.
- the invention can be applied to the formation of L3VPN end-to-end services of dynamic L3VPN, static L3VPN and dynamic and static hybrid configuration.
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PCT/CN2011/083389 WO2013078683A1 (zh) | 2011-12-02 | 2011-12-02 | 一种l3vpn端到端业务形成的方法和装置 |
RU2014125187/08A RU2569573C1 (ru) | 2011-12-02 | 2011-12-02 | Способ и устройство для формирования сервиса сквозной передачи данных |
BR112014013267-4A BR112014013267B1 (pt) | 2011-12-02 | 2011-12-02 | Método para formar um serviço fim a fim de rede privada virtual de camada, e dispositivo para formar um serviço fim a fim de rede privada virtual de camada |
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PCT/CN2011/083389 WO2013078683A1 (zh) | 2011-12-02 | 2011-12-02 | 一种l3vpn端到端业务形成的方法和装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107707474A (zh) * | 2017-09-29 | 2018-02-16 | 烽火通信科技股份有限公司 | 一种路由分配方法及系统 |
CN108770383A (zh) * | 2015-12-08 | 2018-11-06 | 杰皮优艾欧有限公司 | 移动网络中的路由和安全 |
CN114389863A (zh) * | 2021-12-28 | 2022-04-22 | 绿盟科技集团股份有限公司 | 一种蜜罐交互的方法、装置、蜜罐网络、设备及存储介质 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101304338A (zh) * | 2008-07-09 | 2008-11-12 | 杭州华三通信技术有限公司 | 发现多协议标签交换三层虚拟私有网中设备的方法、装置 |
CN101304337A (zh) * | 2008-07-09 | 2008-11-12 | 杭州华三通信技术有限公司 | 生成业务虚拟私有网络的接入拓扑的方法和装置 |
CN101834793A (zh) * | 2010-04-29 | 2010-09-15 | 电子科技大学 | 基于mpls/ops的虚拟专用网的实现方法 |
CN102055647A (zh) * | 2009-11-03 | 2011-05-11 | 中兴通讯股份有限公司 | 一种三层vpn的接入方法和系统 |
CN102195844A (zh) * | 2010-03-02 | 2011-09-21 | 杭州华三通信技术有限公司 | 转发表项的管理方法和设备 |
CN102195871A (zh) * | 2011-01-07 | 2011-09-21 | 华为数字技术有限公司 | 一种mpls vpn网络中控制业务流量转发路径的方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10152011A1 (de) * | 2001-10-22 | 2003-05-08 | Siemens Ag | Verfahren und Vorrichtung zur Abbildung von Netzwerk-Headern auf MPLS-Header in Bearer-Architekturen |
US7693952B2 (en) * | 2003-03-27 | 2010-04-06 | Microsoft Corporation | Availability and scalability in a messaging system in a manner transparent to the application |
US8045542B2 (en) * | 2005-11-02 | 2011-10-25 | Nokia Corporation | Traffic generation during inactive user plane |
-
2011
- 2011-12-02 WO PCT/CN2011/083389 patent/WO2013078683A1/zh active Application Filing
- 2011-12-02 BR BR112014013267-4A patent/BR112014013267B1/pt not_active IP Right Cessation
- 2011-12-02 RU RU2014125187/08A patent/RU2569573C1/ru active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101304338A (zh) * | 2008-07-09 | 2008-11-12 | 杭州华三通信技术有限公司 | 发现多协议标签交换三层虚拟私有网中设备的方法、装置 |
CN101304337A (zh) * | 2008-07-09 | 2008-11-12 | 杭州华三通信技术有限公司 | 生成业务虚拟私有网络的接入拓扑的方法和装置 |
CN102055647A (zh) * | 2009-11-03 | 2011-05-11 | 中兴通讯股份有限公司 | 一种三层vpn的接入方法和系统 |
CN102195844A (zh) * | 2010-03-02 | 2011-09-21 | 杭州华三通信技术有限公司 | 转发表项的管理方法和设备 |
CN101834793A (zh) * | 2010-04-29 | 2010-09-15 | 电子科技大学 | 基于mpls/ops的虚拟专用网的实现方法 |
CN102195871A (zh) * | 2011-01-07 | 2011-09-21 | 华为数字技术有限公司 | 一种mpls vpn网络中控制业务流量转发路径的方法 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108770383A (zh) * | 2015-12-08 | 2018-11-06 | 杰皮优艾欧有限公司 | 移动网络中的路由和安全 |
CN108770383B (zh) * | 2015-12-08 | 2021-03-12 | 杰皮优艾欧有限公司 | 移动网络中的路由和安全 |
US11711397B2 (en) | 2015-12-08 | 2023-07-25 | Jpu.Io Ltd | Network routing and security within a mobile radio network |
CN107707474A (zh) * | 2017-09-29 | 2018-02-16 | 烽火通信科技股份有限公司 | 一种路由分配方法及系统 |
CN107707474B (zh) * | 2017-09-29 | 2020-02-14 | 烽火通信科技股份有限公司 | 一种路由分配方法及系统 |
CN114389863A (zh) * | 2021-12-28 | 2022-04-22 | 绿盟科技集团股份有限公司 | 一种蜜罐交互的方法、装置、蜜罐网络、设备及存储介质 |
CN114389863B (zh) * | 2021-12-28 | 2024-02-13 | 绿盟科技集团股份有限公司 | 一种蜜罐交互的方法、装置、蜜罐网络、设备及存储介质 |
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RU2569573C1 (ru) | 2015-11-27 |
BR112014013267A2 (pt) | 2017-06-13 |
BR112014013267B1 (pt) | 2021-12-14 |
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