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A monitoring trace design method based on limited monitoring resources in all-optical networks

An all-optical network, monitoring trace technology, applied in transmission monitoring/testing/fault measurement systems, etc., can solve problems such as single-link fault monitoring, and achieve the effects of reducing service loss, fast positioning, and simple logic

Inactive Publication Date: 2017-10-31
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to overcome the deficiencies of the prior art, provide a monitoring trace design method based on limited monitoring resources in an all-optical network, and reduce the service loss caused by unclear link failures through monitoring trace design and route planning , so as to effectively solve the problem of single link fault monitoring under limited monitoring resources

Method used

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  • A monitoring trace design method based on limited monitoring resources in all-optical networks
  • A monitoring trace design method based on limited monitoring resources in all-optical networks
  • A monitoring trace design method based on limited monitoring resources in all-optical networks

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Embodiment

[0056] figure 1 It is a topological structure diagram of an all-optical network.

[0057] In this embodiment, as figure 1 As shown, an all-optical network topology is randomly given, which contains 5 nodes to be monitored 1-5, and 7 links, among which, the weight of each link is the same as 1, and the two ends of the link are represented by node labels. road. The business requirements between nodes are: 1 from node 1 to node 2, 2 from node 1 to node 3, 3 from node 1 to node 4, 2 from node 2 to node 5, and node 3 to The number between nodes 4 is 3, and the node demand between the remaining nodes is 0. according to figure 1 The deployment of monitoring traces is performed according to the method of the present invention.

[0058] figure 2 It is a flowchart of a monitoring trace design method based on limited monitoring resources in an all-optical network of the present invention.

[0059] In this embodiment, as figure 2 As shown, a monitoring trace design method based on limite...

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Abstract

The invention discloses a monitoring trace design method based on limited monitoring resources in an all-optical network. Aiming at the problem of single-link fault monitoring with limited monitoring resources in an all-optical network, through wavelength pre-routing, monitoring trace design and wavelength routing adaptive The allocation process gradually reduces the service loss caused by unclear link faults that cannot be located, thereby effectively solving the problem of single-link fault monitoring when monitoring resources are insufficient, meeting the quality of service required by users and realizing full-optical networks with large capacity Fault monitoring and fast location in the network. At the same time, the present invention also has the characteristics of simple logic and relatively low computational complexity.

Description

Technical field [0001] The invention belongs to the technical field of wavelength division multiplexing all-optical networks, and more specifically, relates to a monitoring trace design method based on limited monitoring resources in an all-optical network. Background technique [0002] Since the development of communication networks, all-optical networks using wavelength division multiplexing technology have become the main trend in the development of current communication networks. But the all-optical network has a very big drawback, that is, it is easy to be damaged and very sensitive to damage. Then we must study a set of effective solutions for this situation to achieve the goal of quickly locating failed links. In all-optical networks, the traditional method of detecting failed links is to adopt a channel-based or link-based method. Subsequently, the researchers proposed a design scheme that uses a monitoring cycle at the physical layer to reduce the number of monitors re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/07
CPCH04B10/07
Inventor 任婧袁加宇邹欣钰徐世中赵阳明陈欢王阳王雄
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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