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Method for realizing service protection on elastic group ring

An elastic packet ring and service protection technology, applied in the RPR field, can solve problems such as low reliability and low work execution efficiency, and achieve the effects of low cost, shortened switching/recovery time, and reduced complexity

Inactive Publication Date: 2009-07-08
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Utilizing the solution of the present invention can shorten the time for switching / recovering services from the main path to the standby path, solve the problems of low work execution efficiency and low reliability, reduce the complexity of the technical solution, and be simple and easy to implement

Method used

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  • Method for realizing service protection on elastic group ring
  • Method for realizing service protection on elastic group ring
  • Method for realizing service protection on elastic group ring

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Embodiment Construction

[0035] In order to make the object, technical solution and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0036] The core idea of ​​the technical solution of the present invention is: set the user node and the active and standby service nodes that the business passes through on the elastic grouping ring, and generate the corresponding service forwarding mapping table; when the main service node fails, the user node reads the service forwarding mapping table information of the standby service node corresponding to the service in the table, and automatically switch the service from the active path to the standby path; when the failure of the active service node is eliminated, the user node also reads the information of the active service node corresponding to the service in the table, and The service is automatically restored from the standb...

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Abstract

The present invention relates to the elastic packet ring technology, and particularly discloses a method for realizing service protection on the elastic packet ring. The standby service node generates a service forwarding mapping table from the user node information and the primary and secondary service node information and stores it in the user node; if the user node topology detects that the primary service node fails, it traverses its stored The service forwarding mapping table reads the information of the standby service node corresponding to the service, and automatically switches the service from the active path corresponding to the active service node to the standby path corresponding to the standby service node. The invention realizes dual-homing or multi-homing protection of services supported on the elastic packet ring; and shortens automatic switching / recovery time, and improves execution efficiency and reliability.

Description

technical field [0001] The present invention relates to RPR (Resilient Packing Ring) technology, in particular to a method for realizing service protection on RPR. Background technique [0002] With the rapid increase of data service requirements, the requirements for packet multiplexing, bandwidth management, protection, security, and networking of data services are getting higher and higher. RPR technology is a new transmission technology that can be used to optimize the bandwidth management of the ring network, simplify the deployment of data services, provide elastic packet multiplexing and ring network bandwidth protection, and has great advantages in the ring network. , MSTP (Multi-Service Transport Platform, Multi-Service Transport Platform) and NGTP (Next Generation Transport Platform, Next Generation Transport Platform) equipment are widely used. [0003] RPR technology is an optional technology of the data link layer (L2 layer), which is suitable for solving the m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L29/06H04L45/24
Inventor 陈海平
Owner HUAWEI TECH CO LTD
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