Recovery method and apparatus for optical network LSP occuring abnormal delete
A recovery method and optical network technology, applied in the field of network management, can solve problems such as non-recovery, and achieve the effect of solving loss
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[0052] see figure 1 and figure 2 , when the network is running normally, after node E in the figure resets and restarts, the control plane fails to recover, resulting in the abnormal deletion of the intelligent LSP connecting the services of network elements A-B-E-F. In order to restore the abnormally deleted LSP and initiate LSP reconstruction, the specific steps are as follows:
[0053] Step 101: Node B upstream of node E sends a Path message carrying a recovery flag to node E;
[0054] Step 102: After node E receives the Path message, it checks the corresponding LSP cross information on this node according to the recovery flag and label information carried in the Path message. If node E does not check the corresponding LSP cross information, it means that the A-B-E-F network element is connected If the service is lost, it is necessary to delete the intelligent cross-connection of all nodes in the LSP and the control information of the LSP, then perform step 103. If node ...
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