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A Novel Survivable Traffic Grooming Algorithm with Inter-Layer Sharing in IP/MPLS-over-WDM Mesh Networks

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Abstract

We propose a Mixed Sharing Auxiliary Graph (MSAG) for dynamic traffic grooming in heterogeneous WDM mesh networks. Based on MSAG model, a novel heuristic named BLSW-ILMS (Backup LSP Shared Working Lightpath with Inter-layer Mixed Sharing) is proposed. Simulation results show that the proposed algorithm can efficiently decrease the blocking probability (BP).

© 2009 OSA, IEEE Photonics Society, SPIE, COS, CIC

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