Method for modifying SNCP path

A path, the technology before modification, applied in the field of optical network communication, can solve problems such as service interruption, and achieve the effect of improving availability and ensuring reliability

Inactive Publication Date: 2010-10-06
GLOBAL INNOVATION AGGREGATORS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When this implementation method deletes the existing SNCP path, it will also delete the service of the corresponding network element. Therefore, this implementation method in the prior art will cause service interruption for a long time

Method used

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  • Method for modifying SNCP path

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Experimental program
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Embodiment Construction

[0035] The main content of the present invention is to provide a method for modifying the SNCP path.

[0036] The specific processing flow of the method of the present invention is as follows Figure 4 As shown, including the following steps:

[0037] Step 41: Determine the SNCP path before and after modification.

[0038] The path is a logical concept. The path can be formed by adding the path termination function to the network connection. The path represents an end-to-end service and reflects the integrity of signal transmission. Path is also a general concept. The path at the circuit level is called circuit circuit, and the path at the channel level is called channel path.

[0039] The optical transmission equipment on the path is called a network element.

[0040] The modification of the existing SNCP path in the method of the present invention includes the following three situations:

[0041] 1: Modify or delete the working route of the existing SNCP path, such as adjusting the n...

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PUM

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Abstract

A method for revising SNCP path includes confirming SNCP path before and after revision, confirming changed service occurred on network element passed by SNCP path being revised and by SNCP path not being revised according to SNCP path before and after revision then carrying out revision on service of changed network element.

Description

Technical field [0001] The present invention relates to the technical field of optical network communication, in particular to a method for modifying an SNCP path. Background technique [0002] The competition of the metropolitan area network has entered the era of service competition. This requires fundamentally improving the availability and reliability of the network. There are two ways to improve network availability, protection or recovery. The current SDH (Synchronous Digital Hierarchy) network mainly adopts protection Mode, SNCP (Subnet Connection Protection) is one of the very important protection modes. [0003] SNCP refers to the pre-arrangement of a dedicated protection route for a certain subnet connection, so that once the subnet fails, the dedicated protection route will replace the subnet to assume the transmission task in the entire network. SNCP protection is a protection function recommended by the ITU-T (International Telecommunication Union-Telecommunications S...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04J3/08
Inventor 刘利平
Owner GLOBAL INNOVATION AGGREGATORS LLC
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