Adaptation inWeb Service Composition and Execution

  • Authors:
  • Girish Chafle;Koustuv Dasgupta;Arun Kumar;Sumit Mittal;Biplav Srivastava

  • Affiliations:
  • IBM India Research Laboratory, New Delhi, India;IBM India Research Laboratory, New Delhi, India;IBM India Research Laboratory, New Delhi, India;IBM India Research Laboratory, New Delhi, India;IBM India Research Laboratory, New Delhi, India

  • Venue:
  • ICWS '06 Proceedings of the IEEE International Conference on Web Services
  • Year:
  • 2006

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Abstract

Web services simplify enterprise application integration by facilitating reuse of existing components for creating new services. In a dynamic environment, it is imperative to design a Web Service Composition and Execution (WSCE) system that adapts to failure of component services or changes in their QoS offerings. In this paper, we motivate a staged approach for adaptive WSCE (A-WSCE) that cleanly separates the functional and non-functional requirements of a new service, and enables different environmental changes to be absorbed at different stages of composition and execution. We use Synthy, a prototype service creation environment, to implement our solution and demonstrate its effectiveness.