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Method and device for inverting mode match verifying of protected field both extremities protecting group

A technology of pattern matching and verification method, applied in data exchange network, digital transmission system, electrical components, etc., can solve problems such as business interruption, and achieve simple effect

Inactive Publication Date: 2009-01-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The present invention provides a switching mode matching verification method of protection groups at both ends of the protection domain, which is used to solve the problem in the prior art that the switching modes of the protection groups at both ends of the protection domain are inconsistent under the 1:1 or 1:N protection mode. When matching, if a protection group switching occurs at one end, the service will be interrupted without any alarm indication

Method used

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  • Method and device for inverting mode match verifying of protected field both extremities protecting group
  • Method and device for inverting mode match verifying of protected field both extremities protecting group
  • Method and device for inverting mode match verifying of protected field both extremities protecting group

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Embodiment Construction

[0037] like image 3 As shown in the figure, it is a schematic diagram of APS cells carrying protection group switching mode information sent through the working channel and protection channel in the 1:1 protection mode. Automatic Protection Switching (APS) cell of the switching mode; after receiving the APS cell sent by the opposite end, the local network element parses out the switching mode information of the protection group of the opposite end carried in it, and compares it with the protection group set at the local end If they are consistent, it means that the switching modes set by the protection groups at both ends are the same; if they are not consistent, an alarm indication will be generated to prompt the user to adjust the switching modes of the protection groups set in the network elements at both ends to make it unanimous.

[0038] In the above method of the present invention, the APS cell used to carry the switching mode information of the protection group can b...

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Abstract

This invention discloses one inverse mode matching test method of protection set, which comprises the following steps: a, two ends of protection area send inverse automatic protection signal with local end protection set to partner end; b, local end receives APS signal for analysis and to judge whether the part end protection set inverse mode and local end protection end type to generate alarm indication. This invention comprises signal send module, signal receive and analysis module, compare module and alarm generation module.

Description

technical field [0001] The invention relates to network protection, in particular to a method and device for checking switching mode matching of protection groups at both ends of a protection domain. Background technique [0002] In the transmission network, the area between the sending-end network element and the receiving-end network element is generally called a protection domain. Control logic can be set in the network elements at both ends of the protection domain to control the working channel and protection channel of the network element. Switching, we call the control logic that controls switching of one or more pairs of working channels and protection channels a protection group. [0003] There are two types of ATM (Asynchronous Transfer Mode, asynchronous transfer mode) protection group switching modes (that is, direct mutual switching between the working channel and the protection channel): unidirectional switching and bidirectional switching. [0004] The so-cal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L29/06
Inventor 俞三冰
Owner HUAWEI TECH CO LTD
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