An efficient and flexible MPLS signaling framework for mobile networks

Authors:
Ramprasad Nagarajan;Eylem Ekici
Affiliations:
Department of Electrical and Computer Engineering, The Ohio State University, Columbus, OH;Department of Electrical and Computer Engineering, The Ohio State University, Columbus, OH
Venue:
Wireless Networks
Year:
2008

Citing 6
Cited 1

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ATM Theory and Applications

ATM Theory and Applications
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Mpls and Label Switching Networks
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Abstract

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, taking a local approach to LSP reestablishment. The performance of the signaling protocol is evaluated through simulations. Results indicate that the protocol can effectively and efficiently handle rerouting in dynamic networks with a low protocol signaling overhead as compared to contemporary MPLS rerouting protocols. This would enable the MPLS based IP-QoS support mechanisms to extend to dynamic network topologies.