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In this paper, we propose a new heuristic algorithm, protection based on survivable integrated auxiliary graph (PSIAG), to tolerate the single-link failure in waveband switching optical networks. The survivable integrated auxiliary graph (SIAG) contains single virtual topology layer and multiple waveband-plane layers, and it can well solve the routing and waveband assignment. In PSIAG, we can well use the waveband sub-path grouping scheme based on SIAG to save the switching ports. Simulation results show that PSIAG performs better than previous algorithm.
Future Generation Communication and Networking, 2008. FGCN '08. Second International Conference on (Volume:1 )
Date of Conference: 13-15 Dec. 2008