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Optical backbone networks transport both synchronous and asynchronous traffic. The synchronous traffic is from legacy telecommunication networks still employing legacy SONET/SDH, or SONET/SDH over WDM equipment. In the WDM layer, optical circuit switching (OCS) has been widely deployed, but can be potentially bandwidth inefficient. Optical burst switching (OBS) has been proposed as an alternative...
Resource contention is a major concern in Optical Burst Switching networks that leads to relatively high burst loss probability. This article presents a clustered architecture for OBS networks, called Cooperative Clustered Optical Burst Switching (C2OBS) network architecture. In this architecture, the network is divided in overlapping zones/clusters with a zone/cluster head having the knowledge of...
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