A framework for topology-based traffic grooming with restoration in optical networks
by Sheela Divakaran; Chellamuthu Chinnagounder
International Journal of High Performance Computing and Networking (IJHPCN), Vol. 8, No. 4, 2015

Abstract: Traffic grooming refers to the technique that aggregates low speed data streams onto high speed lightpaths at a reduced cost. Survivable traffic grooming in optical networks becomes increasingly important for emerging network technologies, since a single link failure may result in a huge amount of traffic loss and revenue. Survivability is classified as protection and restoration. The research in survivable traffic grooming generally deals with protection methods in optical networks. But, the traffic grooming with restoration is still an emerging area of research. The topological parameters of a network play a major role in the resource requirement and survivability, which are the two goals to be achieved in survivable traffic grooming. This paper incorporates the topological parameters in grooming with restoration, and proposes a framework that integrates the above mentioned features, aiming at cost reduction and improved resilience. The topological features are considered in local and global scales. This framework can serve as a reference for traffic grooming to provide the right selection scheme for trade-off between survivability and network cost as required.

Online publication date: Tue, 27-Oct-2015

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