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Method and system for restraining service message storm in looped network protection

A technology of business messages and message storms, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as wasting loop bandwidth

Inactive Publication Date: 2013-06-26
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is to say, when multiple faults occur on the network, causing the service to circulate in the ring, the service message needs to be transmitted 255 times before being discarded, thus wasting the ring bandwidth

Method used

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  • Method and system for restraining service message storm in looped network protection
  • Method and system for restraining service message storm in looped network protection
  • Method and system for restraining service message storm in looped network protection

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Embodiment Construction

[0032] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0033] The method for suppressing the service message storm during the ring network protection of the present invention, such as Figure 5 shown, including the following steps:

[0034] Step 500: For each destination node forming the ring network, establish a clockwise and / or counterclockwise MP2P shared working channel, and establish a ring protection channel for the MP2P shared working channel, and then perform step 501;

[0035] Here, services that go on the ring from any other ring-entry node in the ring network can be carried on the MP2P shared working channel.

[0036] The specific implementation of this step is the prior art, that is, the specific processing process of the wrapping ring network protection scheme based on the shared channel in the prior art, and will not be repeated here.

[0037] Step 501: Set a TTL value for...

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PUM

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Abstract

The invention discloses a method and system for restraining service message storm in looped network protection. The method includes: building clockwise and / or anti-clockwise multipoint-to-point (MP2P) sharing work channels aiming at each destination node composing the looped network, and building annular protective channels for the MP2P sharing work channels; respectively setting time to live (TTL) values to each node except for the destination node in the looped network; when stoppage occurs to the network composing the looped network, in service message transmission, service message and the set TTL values are transmitted to a receiving node by a loop access node; and performing tally down operation on the received TTL values through the receiving node, transmitting the TTL values performed with the tally down operation and the received service message to the next receiving node, performing the rest in the same manner until the TTL value received by the receiving node is 1, and discarding the service message when the TTL value is determined to be transmitted to the next receiving node. By means of the method and system for restraining service message storm in looped network protection, service message storm can be restrained fast when multiple failures occur to the network.

Description

technical field [0001] The invention relates to ring network protection technology, in particular to a method and system for suppressing service message storms during ring network protection. Background technique [0002] In order to solve the defects of large configuration workload and low switching performance in the ring network protection scheme in the G.8132 standard, a ring network protection scheme based on shared channels is proposed, including: wrapping ring network based on shared channels A protection scheme, and a steering (steering) ring network protection scheme based on a shared channel. [0003] Among them, the wrapping ring network protection scheme based on the shared channel is: establish multiple multipoint-to-point (MP2P) shared paths on a ring, each The business of the node going out of the ring. When the network is normal, all clockwise and counterclockwise services that go out of the ring at the same node share the same clockwise and counterclockwis...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/437H04L45/50
CPCH04L12/437H04L47/286H04L45/50
Inventor 马玉霞曲延锋
Owner ZTE CORP
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