| 摘要 |
A method for detecting link failures between nodes in hybrid networks includes: establishing sub-BFD connections between nodes and edge nodes and establishing an end-to-end BFD connection. When a failure occurs in the sub-BFD connection of IP network segment, notify a peer node of the failure via the end-to-end BFD connection. When a failure occurs in the MPLS OAM mechanism of MPLS network segment, the edge node notifies the node of the failure via the sub-BFD connection. Another method includes: establishing sub-BFD connections between nodes and edge nodes. When one end of the sub-BFD connection failures, notify the IP network segment at the peer end of the failure via an extended MPLS OAM mechanism and notify the node of the failure via the sub-BFD connection of the IP network segment. An interworking between the BFD detecting mechanism and the MPLS OAM detecting mechanism in a hybrid network can be implemented.
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