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INTERNETWORKING AND FAILURE RECOVERY IN UNIFIED MPLS AND IP NETWORKS
INTERNETWORKING AND FAILURE RECOVERY IN UNIFIED MPLS AND IP NETWORKS
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机译:统一MPLS和IP网络中的互联网络和故障恢复
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摘要
A primary border node (BN) and a standby BN are provided for internetworking two network domains, such that connectivity between the two network domains is maintained when a failure occurs in one of the network domains. The two network domains include an access network that implements MPLS-TP and a core network that implements IP, MPLS, or a combination of both. The primary BN establishes a tunnel from itself to the standby BN, and re-directs network data traffic from itself to the standby BN via the tunnel when it detects that an access node has switched connection from the primary VN to the standby BN. The primary BN also monitors its connections to the core network, and signals access nodes to switch to the standby BN if a failure is detected in these connections.
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