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An Efficient Heuristic Search for Optimal Wavelength Requirement in Static WDM Optical Networks

  • Swarup Mandal
  • Debashis Saha
Conference paper
  • 306 Downloads
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2913)

Abstract

This paper presents a heuristic search technique for finding an optimal requirement of wavelengths to satisfy a static lightpath demand in wavelength division multiplexed (WDM) optical networks. We have formulated the problem as a combinatorial optimization problem and used a state space search algorithm based on best first search strategy to solve it. We have compared the performance of our algorithm with another well-known technique with respect to the number of wavelength requirements and call blocking probability. Simulation runs for a wide range of lightpath demands over different WDM networks show that our proposed technique is better in both the above stated dimensions.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2003

Authors and Affiliations

  • Swarup Mandal
    • 1
  • Debashis Saha
    • 1
  1. 1.Indian Institute of ManagementCalcutta, KolkataIndia

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