Tabu Search for a Network Loading Problem with Multiple Facilities

  • Authors:
  • David Berger;Bernard Gendron;Jean-Yves Potvin;S. Raghavan;Patrick Soriano

  • Affiliations:
  • Centre Universitaire des Sciences et Techniques, Université/ Blaise Pascal, B.P. 206, 63174 Aubiè/re Cedex, France;Centre de recherche sur les transports, Université/ de Montré/al, C.P. 6128, succursale Centre-ville, Montré/al, Qué/bec, Canada H3C 3J7&semi/ Dé/partement d'informatique et d ...;Centre de recherche sur les transports, Université/ de Montré/al, C.P. 6128, succursale Centre-ville, Montré/al, Qué/bec, Canada H3C 3J7&semi/ Dé/partement d'informatique et d ...;Robert H. Smith School of Business, University of Maryland, College Park, MD 20742, USA;Centre de recherche sur les transports, Université/ de Montré/al, C.P. 6128, succursale Centre-ville, Montré/al, Qué/bec, Canada H3C 3J7&semi/ Ecole des Hautes Etudes Commerciale ...

  • Venue:
  • Journal of Heuristics
  • Year:
  • 2000

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Abstract

This paper examines a network design problem that arises inthe telecommunications industry. In this problem, communicationbetween a gateway vertex and a number of demand vertices is achievedthrough a network of fiber optic cables. Since each cable has anassociated capacity (bandwidth), enough capacity must be installed onthe links of the network to satisfy the demand, using possiblydifferent types of cables. Starting with a network with no capacityor some capacity already installed, a tabu search heuristic isdesigned to find a solution that minimizes the cost of installing anyadditional capacity on the network. This tabu search applies ak-shortest path algorithm to find alternative paths from thegateway to the demand vertices. Numerical results are presented ondifferent types of networks with up to 200 vertices and 100 demandvertices.