method for detecting shared risk link groups, apparatus for detecting shared risk link groups, and apparatus for detecting shared risk link groups

摘要

A method and device for detecting shared risk link groups is disclosed. The method comprises injecting a probe beam respectively into a first test link and a second test link. the method further includes recording, respectively, a first time-varying power curve corresponding to the first backlight and a second time-varying power curve corresponding to the second backlight; calculate a similarity value for the first curve and the second curve; and judging, based on the similarity value, whether the first test link and the second test link are located in the same shared risk link group. the method and apparatus for detecting shared risk link groups provided by embodiments of the present invention detect by testing a backlight power characteristic of a probe beam in test links and based on that one-dimensional power characteristic, They judge whether the test links are in the same shared risk link group, which are simpler in application than those of the prior art.