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Cost Effective Design of TDM ADM Embedded in WDM Ring Networks

  • Jibok Chung
  • Heesang Lee
  • Hae-gu Song
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3262)

Abstract

In this paper, we study a network design problem for TDM rings that are embedded in a WDM ring. We propose an optimization model based on the graph theory for the minimum use of TDM ADMs for these networks. We propose a branch-and-price algorithm to solve the suggested model to the optimality. By exploiting mathematical structure of ring networks, we develop a polynomial time column generation subroutine and a branching rule that conserves the mathematical structure for an efficient column generation. In computational experiments, the suggested model and algorithm can find not the approximation solutions but the optimal solutions for sufficient size networks within reasonable time. We also compare the solution qualities of the suggested algorithm with some known heuristics in literature.

Keywords

Integer Linear Program Wavelength Division Multiplex Column Generation Linear Program Relaxation Wavelength Assignment 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Jibok Chung
    • 1
  • Heesang Lee
    • 2
  • Hae-gu Song
    • 3
  1. 1.Daejeon UniversityDaejeonKorea
  2. 2.Sungkyunkwan UniversitySuwonKorea
  3. 3.i2 TechnologiesSeoulKorea

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