| 摘要 |
A method for detecting link failures in a multicast network is disclosed. The method includes: by a source node, sending a failure detection packet (FDP) to all branch links of the source node, and sending the FDP to a destination node through a branch node of each branch link, where the branch node is adapted to receive and forward the FDP and the destination node is adapted to detect failures of the branch links according to the FDP receiving state. Another two methods for detecting link failures in a multicast network, a multicast network system and a node in a multicast network are also provided. The technical solution of the present invention can detect failures of all links in a multicast network.
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