LP-Based Heuristic Algorithms for Interconnecting Token Rings viaSource Routing Bridges

  • Authors:
  • V. Sridhar;June S. Park;Bezalel Gavish

  • Affiliations:
  • Management Department, The Kogod College of Business Administration, American University, Washington DC 20016-8044, USA;Department of Management Sciences, 108 Pappajohn Business Administration Bldg., The University of Iowa, Iowa City, IA 52242-1000, USA. june-park@uiowa.edu;Owen Graduate School of Management, Vanderbilt University, Nashville, TN 37203, USA

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

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Abstract

We develop a method to determine the topology of a network thatinterconnects a number of token rings using source routing bridges.The purpose is to compute a topology that provides low responsedelays for network users at a minimal cost of bridge installations.We formulate this network design problem as a mixed binary integerlinear program. We develop effective heuristic algorithms. Thealgorithms exploit the topology and routing solutions of the linearprogramming relaxation in a sophisticated manner which we believeis new in the literature. The model incorporates performanceissues, such as network stability, bridge overflow, back pressureeffect and broadcast storm, that are specific to the underlyingcommunication technology. By formally incorporating theseperformance issues, we tighten the model formulation and improvethe quality of the LP bound considerably. Computational results arereported for problems with up to 20 token rings and 190 potentialbridge locations.