Consistency of service composition

  • Authors:
  • José Luiz Fiadeiro;Antónia Lopes

  • Affiliations:
  • Department of Computer Science, University of Leicester, Leicester, UK;Faculty of Sciences, University of Lisbon, Lisboa, Portugal

  • Venue:
  • FASE'12 Proceedings of the 15th international conference on Fundamental Approaches to Software Engineering
  • Year:
  • 2012

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Abstract

We address the problem of ensuring that, when an application executing a service binds to a service that matches required functional properties, both the application and the service can work together, i.e., their composition is consistent. Our approach is based on a component algebra for service-oriented computing in which the configurations of applications and of services are modelled as asynchronous relational nets typed with logical interfaces. The techniques that we propose allow for the consistency of composition to be guaranteed based on properties of service orchestrations (implementations) and interfaces that can be checked at design time, which is essential for supporting the levels of dynamicity required by run-time service binding.