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Enhanced Crankback Signaling in Multi-Domain Optical Networks

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Abstract

A novel solution is proposed for joint intra/inter-domain signaling crankback for multi-domain DWDM lightpath setup. The scheme leverages existing intra/inter-domain routing protocol state and provides mechanisms to track signaling failures and limit setup overheads and delays.

© 2010 IEEE Communications Society, IEEE Photonics Society, OSA, Telcordia

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