Abstract
Orchestrations are systems deployed on the Internet where there is a central component (called orchestrator) coordinating other components (called Web services), pre-existing to the orchestration design phase. Web services are made available through repositories on the Internet to orchestration designers. Service discovery refers to the activity of identifying Web services offered by third parties. We propose an approach to discover Web services by taking into account the intended behaviors of Web services as they can be inferred from the orchestrator specifications. Web services are tested with respect to those behaviors to decide whether or not they can be selected. Specifications of orchestrators are Timed Input/Output Symbolic Transition Systems. Web service intended behaviors are elicited by means of symbolic execution and projection techniques. Those behaviors can be used as test purposes for our timed symbolic conformance testing algorithm.
Work partially supported by the french TeCoS project funded by DGA.
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Escobedo, J.P., Gaston, C., Le Gall, P. (2012). Timed Conformance Testing for Orchestrated Service Discovery. In: Arbab, F., Ölveczky, P.C. (eds) Formal Aspects of Component Software. FACS 2011. Lecture Notes in Computer Science, vol 7253. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35743-5_9
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