Abstract
Choreography conformance and contract compliance have been widely studied in the context of synchronous communication. In this paper we approach a more realistic scenario in which the messages containing the invocations are queued in the called service. More precisely, we study the foundational aspects of contract compliance in a language independent way by just taking contracts to be finite labeled transition systems. Then, we relate the proposed theory of contract compliance with choreography specifications à la WS-CDL where activities are interpreted as pairs of send and receive events. An interesting consequence of adopting a language independent representation of contracts is that choreography projection can be defined in structured operational semantics.
Research partially funded by EU Integrated Project Sensoria, contract n. 016004.
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Bravetti, M., Zavattaro, G. (2009). Contract Compliance and Choreography Conformance in the Presence of Message Queues. In: Bruni, R., Wolf, K. (eds) Web Services and Formal Methods. WS-FM 2008. Lecture Notes in Computer Science, vol 5387. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-01364-5_3
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DOI: https://doi.org/10.1007/978-3-642-01364-5_3
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