A cross connection system for implementing SDH service protection switching and automatic recovery

A technology of cross-connection and protection switching, which is applied in the transmission system, digital transmission system, data exchange network, etc. It can solve the problems of affecting the operation of processing functions, slowing down processing speed, and complex processing algorithms, so as to achieve enhanced reliability and self-healing performance, quicker switching time, and simplified management
CN1622516AInactive Publication Date: 2005-06-01ALCATEL LUCENT SHANGHAI BELL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
ALCATEL LUCENT SHANGHAI BELL CO LTD
Publication Date
2005-06-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

The crossed connection system for realizing SDH business protection and conversion and automatic restoring includes protection and conversion processing system, crossed connection configuring information interface and crossed connection system. The protection and conversion processing system receives the time interval configuring information, protection configuring information and outer alarm information, processes the information and generates and outputs the crossed connection configuration information to the crossed connection configuring information interface; and the crossed connection system realizes the time interval distribution in routes and branches, protection and conversion, and other functions according to the crossed connection configuring information. The present invention speeds the conversion of SDH service to strengthen the reliability and natural curing of SDH optical transmission system.
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Description

Technical field

[0001] The invention relates to an SDH (Optical Synchronous Digital Network) digital cross-connection equipment, and more specifically to a cross-connection system that can realize SDH service protection switching and automatic recovery functions. Background technique

[0002] Self-healing is one of the most prominent features of SDH networks. The so-called self-healing refers to the ability of the network to automatically switch routes, reconfigure services, and re-establish communications for local failures without manual intervention. Subnet Connection Protection (SNCP) is a self-healing protection method suitable for various complex network topologies and fast switching speed. SNCP adopts 1+1 protection mode, and services are simultaneously transmitted on the working subnet and the protection subnet at the same time. Normally, the receiving end of the subnet connection selects the signal transmitted on the working subnet. When the working subnet connection fai...

Claims

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