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Branch-and-Bound Algorithm for Anycast Flow Assignment in Connection-Oriented Networks

  • Krzysztof Walkowiak
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4707)

Abstract

Our discussion in this article centers around the problem of anycast flow assignment. Anycast is a one-to-one-of-many delivery technique that allows a client to choose a content server of a set of replicated servers. We formulate an optimization problem of anycast flow assignment in a connection-oriented network, which is a binary and NP-complete problem. Therefore, to enable calculation of optimal solution we propose an exact algorithm based on the branch-and-bound approach. There has not been any study we are aware of that proposes and examines the branch-and-bound algorithm for anycast flow optimization. We describe the most important elements of the branch-and-bound algorithm and present results of numerical experiments.

Keywords

anycast branch-and-bound connection-oriented network 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Krzysztof Walkowiak
    • 1
  1. 1.Chair of Systems and Computer Networks, Faculty of Electronics, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, 50-370 WroclawPoland

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