Multi-criteria service selection with optimal stopping in dynamic service-oriented systems

  • Authors:
  • Oliver Skroch

  • Affiliations:
  • Business Informatics and Systems Engineering, Universität Augsburg, Augsburg, Germany

  • Venue:
  • ICDCIT'10 Proceedings of the 6th international conference on Distributed Computing and Internet Technology
  • Year:
  • 2010

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Abstract

Advanced, service oriented systems can dynamically re-compose service invocations at run time. For this purpose they may opportunistically select services that are available on the Internet or on open platforms in general. In this paper, a multi criteria selection approach is developed on two optimization goals, quality of service and cost of service invocation. Also, stopping theory is applied to optimize the multi criteria service re-composition. An efficient algorithm is presented which is run time capable since it decides within a predefined time frame. The algorithm yields the best possible lower probability bound for taking an optimal choice. The applied theory is confirmed in simulation experiments.