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Method for modifying SNCP path

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

Inactive Publication Date: 2006-10-18
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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Embodiment Construction

[0037] The main content of the present invention is to provide a method for modifying the SNCP path.

[0038] The specific processing flow of the method of the present invention is as Figure 4 shown, including the following steps:

[0039] Step 41: Determine the SNCP path before and after modification.

[0040] A path is a logical concept. A path can be formed by adding a path terminal function to a network connection. A path represents an end-to-end service and reflects the integrity of signal transmission. The path is also a general concept. The path at the circuit layer is called a circuit circuit, and the path at the channel layer is called a channel path.

[0041] The optical transmission devices on the path are called network elements.

[0042] The modification to existing SNCP path in the method of the present invention comprises following 3 kinds of situations:

[0043] 1: Modify or delete the working route of the existing SNCP path, such as adjusting the network ...

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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 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, which requires fundamentally improving the availability and reliability of the network. There are two ways to improve network availability, protection or restoration. The current SDH (Synchronous Digital Hierarchy) network mainly uses protection Ways, SNCP (Subnet Connection Protection) is one of the very important protection ways. [0003] SNCP refers to pre-arranging a dedicated protection route for a certain subnet connection, so that once a 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 proposed by ITU-T (International Telecommunication Union-Telecommunications Standards Sector), ...

Claims

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Application Information

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