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Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/9965

Title: Virtual Topology Reconfiguration Problem on Survivable WDM Networks
Authors: Din, Der-Rong
Contributors: 資訊工程系
Keywords: WDM;survivability;reconfiguration;simulated annealing;genetic algorithm;dedicated path-protected
Date: 2008-08
Issue Date: 2012-04-30T07:14:25Z
Publisher: IEEE
Abstract: In this paper, the virtual topology reconfiguration problem (VTRP) on survivable WDM networks with reconfiguration constraint is studied. Given a physical topology, a dedicated path-protected virtual topology and a new traffic demand matrix, the goal of VTRP is to reconfigure the current virtual topology under the pre-specified reconfiguration constraint such that the objective value can be minimized. The objective value considered in this paper is the average weighted propagation delay (AWPD). Because designing a polynomial time algorithm to find the optimal solution of VTRP is impractical when the reconfiguration constraint is larger. In this paper, a simulated annealing (SA) and a genetic algorithm (GA) are proposed to solve this problem. Experiment results of these algorithms are also given.
Relation: In proceedings of IEEE 2008 Third International Conference on Communications and Networking in China, Hangzhou, China, August 25-27, 2008: 805-809
Appears in Collections:[資訊工程學系] 會議論文

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