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The Gateways Location and Topology Assignment Problem in Hierarchical Wide Area Networks: Algorithms and Computational Results

Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3982)

Abstract

This paper studies the problem of designing two-level hierarchical structure wide area network. The goal is to select gateways location, 2nd level network topology, channels capacities and flow routes in order to minimize the total average delay per packet in hierarchical network subject to budget constraint. The problem is NP-complete. Then, the branch and bound method is used to construct the exact algorithm. Also a heuristic algorithm is proposed. Some computational results are reported. Based on computational experiments, several properties of the considered problem, important from practical point of view, are formulated.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  1. 1.Chair of Systems and Computer NetworksWroclaw University of TechnologyWroclawPoland

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