National Changhua University of Education Institutional Repository : Item 987654321/9965
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题名: Virtual Topology Reconfiguration Problem on Survivable WDM Networks
作者: Din, Der-Rong
贡献者: 資訊工程系
关键词: WDM;survivability;reconfiguration;simulated annealing;genetic algorithm;dedicated path-protected
日期: 2008-08
上传时间: 2012-04-30T07:14:25Z
出版者: IEEE
摘要: 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.
關聯: In proceedings of IEEE 2008 Third International Conference on Communications and Networking in China, Hangzhou, China, August 25-27, 2008: 805-809
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