Amending Choreographies

Ivan Lanese
(Focus Team, University of Bologna/INRIA, Italy)
Fabrizio Montesi
(IT University of Copenhagen, Denmark)
Gianluigi Zavattaro
(Focus Team, University of Bologna/INRIA, Italy)

Choreographies are global descriptions of system behaviors, from which the local behavior of each endpoint entity can be obtained automatically through projection. To guarantee that its projection is correct, i.e. it has the same behaviors of the original choreography, a choreography usually has to respect some coherency conditions. This restricts the set of choreographies that can be projected.

In this paper, we present a transformation for amending choreographies that do not respect common syntactic conditions for projection correctness. Specifically, our transformation automatically reduces the amount of concurrency, and it infers and adds hidden communications that make the resulting choreography respect the desired conditions, while preserving its behavior.

In António Ravara and Josep Silva: Proceedings 9th International Workshop on Automated Specification and Verification of Web Systems (WWV 2013), Florence, Italy, 6th June 2013, Electronic Proceedings in Theoretical Computer Science 123, pp. 34–48.
Published: 31st July 2013.

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