Ring–mesh topology design in a SONET–WDM network

Ring–mesh topology design in a SONET–WDM network This article deals with a ring–mesh network design problem arising from the deployment of an optical transport network. The problem seeks to partition the set of demand pairs to a number of rings and a mesh cluster, and to determine the location of the optical cross-connect system (OXC), while minimizing the total cost of optical add-drop multiplexers (OADMs), OXCs, and fiber links. We formulate this problem as a zero-one integer programming problem. In strengthening the formulation, we develop some valid inequalities for the zero-one quadratic (knapsack) polytope and a column generation formulation that eliminates the symmetry of ring configurations. Also, we prescribe an effective tabu search procedure for finding a good quality feasible solution, which is also used as a starting column for the column generation procedure. Computational results show that the proposed solution procedure provides tight lower and upper bounds within a reasonable time bound. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Photonic Network Communications Springer Journals

Ring–mesh topology design in a SONET–WDM network

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Springer US
Copyright © 2010 by Springer Science+Business Media, LLC
Computer Science; Characterization and Evaluation of Materials; Electrical Engineering; Computer Communication Networks
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