Ensuring Customised Transactional Reliability of Composite Services

  • Authors:
  • Claude Godart;Sami Bhiri;Walid Gaaloul;Olivier Perrin;Maciej Zaremba;Wassim Derguech

  • Affiliations:
  • LORIA-INRIA, France;National University of Ireland, Galway, Ireland;Telecom & Management SudParis, France;LORIA-INRIA, France;National University of Ireland, Galway, Ireland;National University of Ireland, Galway, Ireland

  • Venue:
  • Journal of Database Management
  • Year:
  • 2011

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Abstract

Web services are defined independently of any execution context. Due to their inherent autonomy and heterogeneity, it is difficult to examine the behaviour of composite services, especially in case of failures. This paper is interested in ensuring composite services reliability. Reliable composition is defined as a composition where all instance executions are correct from a transactional and business point of view. In this paper, the authors propose a transactional approach for ensuring reliable Web service compositions. The approach integrates the expressivity power of workflow models and the reliability of Advanced Transactional Models ATM. This method offers flexibility for designers to specify their requirements in terms of control structure, using workflow patterns, and execution correctness. Contrary to ATM, the authors start from the designers' specifications to define the appropriate transactional mechanisms that ensure correct executions according to their requirements.