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Method and system for realizing binding interface edge-to-edge pseudo wire simulation service

A pseudowire emulation and interface technology, applied in the field of communication, can solve the problems that member interfaces cannot complete link negotiation, cannot provide PWE3 services, cannot identify member interfaces, etc., to achieve feasibility, simple implementation, and strong scalability Effect

Active Publication Date: 2006-11-22
HUAWEI TECH CO LTD
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Problems solved by technology

For the bundled interface whose member interface needs to perform one-to-one link negotiation, the link negotiation packet of the member interface is encapsulated with two layers of labels to reach the remote PE. Since the inner label of the PW can only distinguish the PW, it cannot identify the Corresponding member interfaces, therefore, member interfaces cannot complete one-to-one link negotiation across PSNs, so the bundled interfaces that require member interface negotiation cannot provide PWE3 services

Method used

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  • Method and system for realizing binding interface edge-to-edge pseudo wire simulation service

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Embodiment Construction

[0033] The core idea of ​​the present invention is to provide a method and system for realizing the edge-to-edge pseudo-wire simulation service of the bundled interface. The negotiation of the bundled capability is completed by the LDP protocol, and by assigning sub-channel numbers to the member interfaces of the bundled interface, cross-PSN communication is realized. One-to-one link negotiation of member interfaces.

[0034] The present invention provides a system for realizing bundled interface edge-to-edge pseudowire simulation service, and its module diagram is as follows figure 1 As shown, at least a binding interface creation module, a binding parameter negotiation module, a subchannel number allocation module, and a packet forwarding module are provided on the PE side. The bundled interface creation module is used to add at least two member interfaces to the bundled interface on the PE, create a bundled interface, and create a point-to-point PW on the bundled interface;...

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Abstract

The invention relates to a method for realizing binding interface edge-to-edge false line simulation service and relative system. Wherein, said method comprises: first, distributing sub-path number to the number of built binding interface, and consulting the binding parameters; the transferring user report on the binding interface, and according to the sub-path number, transferring the report to relative user interface. The invention can realize one-to-one chain consultation of binding user interface, with simple process.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method for realizing the edge-to-edge pseudowire simulation service of a bundled interface. Background technique [0002] The purpose of PWE3 (Pseudowire Emulation Edge-to-Edge) technology is to connect traditional services, such as frame relay, ATM, and Ethernet, by providing service emulation on PSN (Packet Switching Network), so as to simulate the original service characteristics as much as possible , to ensure the quality of user services, so that users do not feel the difference, and provide high-quality interoperability for users and operators using traditional services during the network construction and transition process, so as to protect the original investment of users and operators. [0003] Link bundling technology is a technology that bundles physical interfaces together to provide low-cost, high-bandwidth technologies, for example, Ethernet bundling and PO...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56
CPCH04L45/00H04L45/50
Inventor 李冠峰
Owner HUAWEI TECH CO LTD
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