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Multiprotocol label switching (MPLS) has gained momentum in recent years as an effective tool to provide quality of service (QoS) in a variety of networks. This has in turn created active interest in the area of recovery in MPLS based networks. A number of recovery schemes for MPLS domains have been proposed in recent years. However, the current schemes lack support for recovery in dynamic network topologies. In this paper, a new flexible signaling protocol for LSP rerouting in dynamic network environments is introduced. The signaling protocol recovers from node and link failures reactively, eliminating the need for end-to-end LSP reestablishment. The performance of the signaling protocol is presented through simulations.
Communications, 2004 IEEE International Conference on (Volume:7 )
Date of Conference: 20-24 June 2004