Differentiated Quality of Protection (QoP) and Cross-Layer Protection for Survivable Hybrid Packet/WDM Networks

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Executive Summary

The authors experimentally study how to provide differentiated QoP for hybrid packet/WDM networks by intelligently using survivability from packet layer rerouting, WDM layer protection, or cross-layer protection according to different traffic types and survivability requirements. Hybrid packet/WDM networks integrate packet layer and WDM layer seamlessly with unified control and management. It tries to leverage two layers to increase processing capacity, enhance QoS, simplify management and reduce operation cost. The architecture of hybrid packet/WDM networks includes hybrid IP/WDM networks hybrid Ethernet/WDM networks and so on.

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