Virtual topology transition sequence problem in WDM networks with FIPP p-cycles protection

Virtual topology transition sequence problem in WDM networks with FIPP p-cycles protection In this article, for the given wavelength division multiplexing (WDM) network, the demand traffic matrix, the old and new survivable virtual topologies which are protected by the failure-independent path-protecting p-cycles (FIPP p-cycles) protection scheme, the virtual topology transition sequence (VTTS) problem is studied. The goal of this problem is to find an optimal sequence to transfer the old virtual topology into new one, and during the transiting process, the services are not disrupted. Moreover, each lightpath in the virtual topology is protected by the FIPP p-cycle and can survive against a single-link failure. In this article, a heuristic algorithm and a genetic algorithm are proposed to solve this problem. Simulations are also performed to evaluate the performance of proposed algorithms. Photonic Network Communications Springer Journals

Virtual topology transition sequence problem in WDM networks with FIPP p-cycles protection

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Springer US
Copyright © 2011 by Springer Science+Business Media, LLC
Computer Science; Electrical Engineering; Computer Communication Networks; Characterization and Evaluation of Materials
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