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Method and system for end-to-end pseudo-line simulation virtual leased line access virtual special network

A technology of virtual private network and pseudowire emulation, which is applied in the field of end-to-end pseudowire emulation virtual leased line access virtual private LAN business, and can solve problems such as inability to realize PWE3VLL access

Active Publication Date: 2007-10-03
HUAWEI TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0012] The problem to be solved by the present invention is to provide a method for end-to-end pseudowire emulation virtual leased line access virtual private network, to overcome the defect that PWE3 VLLs with different PW IDs cannot be connected to a VPLS VPN in the prior art

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  • Method and system for end-to-end pseudo-line simulation virtual leased line access virtual special network
  • Method and system for end-to-end pseudo-line simulation virtual leased line access virtual special network
  • Method and system for end-to-end pseudo-line simulation virtual leased line access virtual special network

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Embodiment Construction

[0040] Specific embodiments of the present invention are described below in conjunction with accompanying drawing:

[0041] The present invention configures a plurality of different pseudowire IDs in the virtual switching instance, so that when the end-to-end pseudowire simulation virtual leased line with different pseudowire IDs accesses the virtual switching instance, the matching pseudowires can be found respectively. ID, so that one VSI can access multiple PWE3 VLLs at the same time.

[0042] A kind of end-to-end pseudo wire simulation virtual leased line access method of virtual private network of the present invention is shown in Figure 1, comprises the following steps:

[0043] Step s101, when establishing a pseudowire between the provider edge device where the virtual exchange instance is located and the provider edge device where the end-to-end pseudowire emulation virtual leased line is located, configure a globally unique The pseudowire ID and the IP address of the...

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Abstract

A method for switching end to end pseudoline artificial virtual leased line in to virtual special network includes setting multiple global unique pseudoline ID in virtual exchange example according to pseudoline ID of end to end psudoline artificial virtual leased line requiring to be switched-in, obtaining pseudoline ID corresponding to said virtual exchange example by end to end pseudoline artificial virtual leased line through matching and seeking then switching in said virtual exchange example. The system used for realizing said method is also disclosed.

Description

technical field [0001] The invention relates to the field of virtual private network, in particular to a method and system for end-to-end pseudowire emulation virtual leased line accessing virtual private LAN service. Background technique [0002] Initially, telecom operators provided links to customers in the form of Leased Line (Leased Line). However, as the number of customer branches increases, the cost of this method increases significantly, and the difficulty of management also increases. [0003] With the emergence of ATM (Asynchronize Transport Mode, Asynchronous Transfer Mode) and FR (Frame Relay, Frame Relay) technologies, telecom operators began to use virtual circuits to provide customers with point-to-point Layer 2 links, and customers then Build your own three-layer network to carry data streams such as IP (Internet Protocol, Internet Protocol). However, this technology provides point-to-point Layer 2 connections, and the configuration is relatively complicate...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/46
CPCH04L12/4641H04L12/66H04L45/68
Inventor 周鹏胡春哲
Owner HUAWEI TECH CO LTD
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