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Associated channel capability negotiation method and network device

A network device and channel technology, applied in the field of network communication, can solve problems such as publishing and negotiating associated channels, unable to support the transmission of special messages, and unable to understand the capabilities of other nodes associated channels.

Inactive Publication Date: 2011-03-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
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Problems solved by technology

[0004] The inventor found in the process of researching the prior art that nodes at the Label Switched Paths (LSP, Label Switched Paths) level cannot publish and negotiate associated channel capability information, resulting in the inability of nodes to know the information of other nodes. Associated channel capability, so that it cannot support the transmission of special packets through the associated channel mechanism at the LSP level

Method used

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  • Associated channel capability negotiation method and network device
  • Associated channel capability negotiation method and network device
  • Associated channel capability negotiation method and network device

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Embodiment Construction

[0039] The invention provides an associated channel capability negotiation method and network equipment. In order to better understand the technical solutions of the present invention, the embodiments provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0040] see figure 1 , figure 1 It is a flow chart of the first embodiment of the associated channel capability negotiation method of the present invention.

[0041] In the embodiment of the present invention, the first edge router (PE, Provider Edge Router) and the second edge router establish a pseudowire (PW, Pseudo Wire) through a Label Distribution Protocol (LDP, Label Distribution Protocol). The process of the first edge router and the second edge router performing association channel capability negotiation mainly includes:

[0042] A1. Create a label mapping message, and write the associated channel capability information of this node in the connectivity v...

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Abstract

The invention discloses an associated channel capability negotiation method and a network device, the method mainly comprises the following steps: receiving a first label mapping message; judging whether associated channel capability information of a first node is carried in the first label mapping message or not; if so, generating a second label mapping message, wherein the associated channel capability information of the first node is carried in the second label mapping message; and sending the second label mapping message to an upstream node. The embodiment of the invention can be used in a multi-protocol label switching network, and be used for issuance and negotiation of associated channel capability of the network device.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method for negotiating the capability of an associated channel and network equipment. Background technique [0002] With the continuous development of the network and the continuous progress of informatization, various new business requirements are constantly emerging, and the new business has put forward higher requirements for the service quality and management control of the network. Transmission path of special messages such as Operation Administration Maintenance (OAM, Operation Administration Maintenance) messages, Management Control Channel (MCC, Management Control Channel) messages, Signaling Control Channel (SCC, Singling Control Channel) messages and data message transmission paths Inconsistency, as well as the inconsistency in the processing of special packets, increases the difficulty of network management and maintenance. [0003] In the prior art, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06
CPCH04L69/08H04L69/24H04L45/50
Inventor 国辛纯
Owner HUAWEI TECH CO LTD
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