Local node rerouting for RSVP-TE

Yiqiang Hua; Miao Wang; Yueming Lu; Yuefeng Ji

doi:10.1117/12.745233

19 November 2007 Local node rerouting for RSVP-TE

Yiqiang Hua, Miao Wang, Yueming Lu, Yuefeng Ji

Proceedings Volume 6784, Network Architectures, Management, and Applications V; 67842C (2007) https://doi.org/10.1117/12.745233
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

Crankback is an effective method to enhance the connectivity in the control plane of ASON. By introducing crankback and computing a new route, connection that hasn't sufficient resource along the origin route can be re-established along a new route. In existing crankback mechanism, A PATH ERROR message has to be sent back to the source node in the case of resource insufficient and the source node undertakes the rerouting job. With this mechanism the connectivity is improved, but the connection establishing time is prolonged. A crankback mechanism based on local node rerouting is proposed. The simulation shows that the local node rerouting crankback mechanism gains a smaller connection establishing time than that of the source node rerouting one.

Citation Download Citation

Yiqiang Hua, Miao Wang, Yueming Lu, and Yuefeng Ji "Local node rerouting for RSVP-TE", Proc. SPIE 6784, Network Architectures, Management, and Applications V, 67842C (19 November 2007); https://doi.org/10.1117/12.745233

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