A protection switching method and a protection switching device
A protection switching and switching point technology, applied in the field of communication, can solve the problems of affecting the number of protection groups, time-consuming, etc., and achieve the effect of reducing work
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example 1
[0070] Example 1: When step S101 in the above method provided by the embodiment of the present invention is executed to obtain the first control information corresponding to the switching point between the active path and the backup path before the protected service is forwarded, as follows: Figure 4 As shown, specifically, the following steps may be included:
[0071] S401. According to the main path identifier and backup path identifier corresponding to the switching point between the primary path and the backup path before the protected service is forwarded, and the pre-established primary path identifier, backup path identifier and protection path identifier at the switching point Correspondence between group identifiers, obtaining the protection group identifier corresponding to the switching point;
[0072]S402. Acquire the first control information corresponding to the switching point according to the acquired protection group identifier corresponding to the switching ...
example 2
[0082] Example 2: When step S101 in the above method provided by the embodiment of the present invention is executed to obtain the first control information corresponding to the switching point between the active path and the backup path before the protected service is forwarded, as follows: Figure 5 As shown, specifically, the following steps may be included:
[0083] S501. According to the main path identifier and backup path identifier corresponding to the switching point between the primary path and the backup path before the protected service is forwarded, and the pre-established primary path identifier, backup path identifier and protection path identifier at the switching point Correspondence between group identifiers, obtaining the protection group identifier corresponding to the switching point;
[0084] S502. Acquire the first sub-control information corresponding to the switching point according to the acquired protection group identifier corresponding to the switc...
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