multi-layer network design

An improved Benders decomposition applied to a multi-layer network design problem

  • Bernard Fortz
  • Michael Poss
    • Categories Branch and Cut Algorithms, Telecommunications Tags , ,

    Benders decomposition has been widely used for solving network design problems. In this paper, we use a branch-and-cut algorithm to improve the separation procedure of Gabrel et al. and Knippel et al. for capacitated network design. We detail experiments on bilayer networks, comparing with Knippel’s previous results. CitationTechnical Reports of the ULB Computer Science Department, … Read more

    Single-layer Cuts for Multi-layer Network Design Problems

  • Georg Baier
  • Arie M.C.A. Koster
  • Sebastian Orlowski
  • Thomas Engel
  • Christian Raack
    • Categories Branch and Cut Algorithms, Cutting Plane Approaches, Telecommunications Tags , , ,

    We study a planning problem arising in SDH/WDM multi-layer telecommunication network design. The goal is to find a minimum cost installation of link and node hardware of both network layers such that traffic demands can be realized via grooming and a survivable routing. We present a mixed-integer programming formulation that takes many practical side constraints … Read more