Fault positioning method and system for point 2 multiple point (P2MP) path
A fault location and fault technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as increasing the complexity of root node location and fault processing, and achieve the effect of reducing complexity and accurate location.
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[0031] The basic idea of the present invention is: after the faulty branch path is located, the root node sends a fault location request message to each node through the P2MP path or the faulty branch path located, and the fault location request message is received on the faulty branch path The node feeds back a fault location response message containing its own identification information and the identification information of its next node to the root node, and the root node then locates the faulty link or node on the faulty branch path according to the fault location response message , so that the root node does not need to know the topology of the current P2MP network, it can accurately locate the specific link and / or node that has a fault in the P2MP path, and the root node can also learn the P2MP path when locating the fault. The topology information of each branch path.
[0032] refer to figure 1 As shown, the fault location method of the P2MP path of the present inven...
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