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Method and device for detecting sharing risk link group

A technology of shared risk links and links, which is applied in the field of detection of shared risk link groups, can solve problems such as difficulties in implementation, and achieve the effect of easy testing and analysis

Active Publication Date: 2016-10-05
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is difficult to implement the method of judging whether the link group to be tested is in the same shared risk link group based on the polarization characteristics.

Method used

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  • Method and device for detecting sharing risk link group
  • Method and device for detecting sharing risk link group
  • Method and device for detecting sharing risk link group

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Embodiment Construction

[0047] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the scope of protection of this application.

[0048]The transmission medium of the link group in the general optical network is optical fiber. In the manufacturing process of optical fiber, various thermal processes such as precipitation, melting, and wire drawing will cause local thermal disturbance of the material, resulting in microscopic inhomogeneity in the refractive ind...

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Abstract

The invention provides a method and device for detecting a sharing risk link group. The method includes the following steps that: a first curve about the change of power corresponding to backward light in a first link to be detected with time and a second curve about the change of power corresponding to backward light in a second link to be detected with time are recorded respectively; and the similarity value of the first curve and the second curve is calculated, whether the first link to be detected and the second link to be detected are located in the same sharing risk link group is judged based on the similarity value. According to the method and device for detecting the sharing risk link group provided by the embodiments of the invention, the power characteristics of the backward light of detection light in the links to be detected are tested, and whether the links to be detected are located in the same sharing risk link group is judged based on the one-dimensional power characteristics. The method and device are relatively simple in practical application.

Description

technical field [0001] The present application relates to the technical field of optical network communication, in particular to a method and device for detecting a shared risk link group. Background technique [0002] With the continuous development of optical network communication technology, various new types of optical network services are also emerging, such as cloud computing, video on demand, wavelength rental, optical layer virtual private network and so on. While these new types of optical network services bring convenience to people's lives, they also impose stricter requirements on the reliability of optical networks. In order to enhance the reliability of the optical network, generally a backup path can be set for the main transmission path in the optical network. When the main transmission path in the optical network fails, the optical network services on the main transmission path can be switched to the backup path to ensure the normal operation of the optical...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/077
CPCG01M11/00H04B10/0731H04B10/0775H04B10/07955
Inventor 陈秀忠谢崇进庞俊英
Owner ALIBABA GRP HLDG LTD
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