A location model for a web service intermediary

  • Authors:
  • Yi Sun;Gary J. Koehler

  • Affiliations:
  • College of Business Administration, California State University San Marcos, CA;The Warrington College of Business Administration, University of Florida, Gainesville, FL

  • Venue:
  • Decision Support Systems
  • Year:
  • 2006

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Abstract

Recently, Web services have entered the competition for a new type of distributed e-commerce platform. This paper studies the placement of servers of a Web service intermediary. The intermediary serves as a common interface to its clients while obtaining Web services from independent providers. The intermediary locates its servers by minimizing costs where a major component is network latency. We propose and study an integer programming formulation to determine the locations and usage rales of the servers of an intermediary. A greedy heuristic method is used to obtain good solutions to the problem.