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Dynamic RWA mechanism for group-based protection on IP over WDM networks

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4 Author(s)
Chen-Shie Ho ; Dept. of Comput. Sci. & Inf. Eng., Van Nung Univ., Chung-Li, Taiwan ; Zu-Yu Lee ; Chien-Huang Chang ; Jyunn-Yao Liao

To provide the robust message delivery capability with traffic flows in the networks, survivability becomes a key issue for the service provider to guarantee the service level agreement to the customers. In this paper, we propose the dynamic group-based routing and wavelength assignment policy for dynamic traffic demands under WDM optical networks which equipped with the capability to convey IP flows under GMPLS control plane over optical layer environment. Simulation results show that the proposed mechanism can achieve high resource utilization and restoration efficiency. In particular, it provides the capability to perform RWA for distinct connection demands in a parallel manner, which is different with traditional event-driven batch processing for the requests.

Published in:

Parallel and Distributed Systems, 2005. Proceedings. 11th International Conference on  (Volume:2 )

Date of Conference:

20-22 July 2005