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Optical transport networks typically deploy dynamic restoration mechanisms in order to automatically recover optical connections disrupted by network failures. Elastic optical networks (EONs), currently emerging as the next-generation technology to be adopted in optical transport, introduce new challenges for traditional generic multiprotocol label-switching (GMPLS)-based restoration that may seriously...
The GMPLS protocol suite, originally designed to fully operate in a distributed fashion, is currently the reference control plane for WSONs. Recently, the requirement of effective traffic engineering solutions has lead to the standardization of the PCE architecture, thus joining the distributed GMPLS control plane with a centralized network element devoted to path computation. However, the common...
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