Method and apparatus for processing local crossover of VPN route

A virtual private network, local technology, applied in the field of network communication, can solve the problems of affecting the convergence speed of network routing, low efficiency of cross processing process, etc., to achieve the effect of improving routing convergence speed and efficiency

Inactive Publication Date: 2009-05-27
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0015] To sum up, in the process of implementing the present invention, the inventors found that there are at least the following problems in the prior art: the efficiency of the existing routing local crossover processing flow is low, which affects the routing convergence speed of the network

Method used

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  • Method and apparatus for processing local crossover of VPN route
  • Method and apparatus for processing local crossover of VPN route
  • Method and apparatus for processing local crossover of VPN route

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Embodiment Construction

[0036]The embodiment of the present invention provides a method and device for virtual private network routing local cross processing. Since the source site does not have an outbound direction policy configured, whether there is a cross-matching relationship between the source site and the destination site has been determined at the time of configuration, that is, the calculation and maintenance of the relationship between each site in the virtual private network is performed during the user's configuration submission process. Local cross relationship, so that starting from the source site, you can directly obtain the set of destination sites for routing local cross processing, and directly perform routing local cross processing operations without traversing all locally configured virtual private network sites; in addition, if the source If the site is configured with an outbound policy and there is a configuration to modify the output route destination attribute of the route i...

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Abstract

The embodiment of the invention provides a method and a device used in local cross processing of virtual private network routing. During routing local cross processing, obtaining local cross relation between a source website and other websites by means of a record of the local cross relation among the websites of a virtual private network generated in advance; and carrying out corresponding routing local cross processing according to the obtained local cross relation. Through the implementation of the technical proposal, the efficiency of routing local cross processing is increased to a large extent, and the routing convergence speed of a network is also increased; moreover, internet service provider (ISP) edge equipment can be connected to more virtual private network websites; and user equipment investment is protected and more benefits are created for users.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a method and device for local cross-processing of virtual private network routing. Background technique [0002] Currently, BGP / MPLS IP VPN is a PE (Provide Edge, service provider edge device)-based Level3 VPN (Three-layer Virtual Private Network) technology in the provider's VPN (Virtual Private Network) solution, which uses BGP ( Border Gateway Protocol) publishes VPN routes on the backbone network of the service provider; uses MPLS (Multi-Protocol Label Switch, Multi-Protocol Label Switching) to forward the user's VPN traffic on the backbone network of the service provider. Because of its flexible networking and good scalability, BGP / MPLS IP VPN has been applied more and more. [0003] Such as figure 1 Shown is a schematic diagram of the BGP / MPLS IP VPN networking model, including: [0004] CE (Customer Edge, user network edge device): It has an interface directly conne...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L12/56H04L45/74
Inventor 倪辉曾晴王苌宋宝华陈双龙白涛
Owner HUAWEI TECH CO LTD
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