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A Novel Dynamic Multiple Rings-Based Local Restoration for One-to-Multipoint Multicast Traffic in WDM Mesh Networks

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3 Author(s)
I-Shyan Hwang ; Yuan-Ze Univ., Chung-Li ; Ren-Yuan Cheng ; Zen-Der Shyu

A novel ring-based local fault recovery mechanism, multiple rings-based local restoration (MRLR), for one-point to multi-point multicast traffic based on the minimum spanning tree (MST) in WDM mesh networks is proposed in this paper. The MRLR mechanism dismembers the multicast tree into several disjoint segment-blocks (sub-trees) and reserves preplanned spare capacity to set up multiple protection rings in each segment-block for providing rapid local recovery. The MRLR scheme outperforms other methodologies in terms of the blocking probability, recovery time and average hop count of protection path per session for different network topologies.

Published in:

Networking, 2007. ICN '07. Sixth International Conference on

Date of Conference:

22-28 April 2007