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Erschienen in:
2013 | OriginalPaper | Buchkapitel
Global Consensus through Local Synchronization
verfasst von : Sung-Shik T. Q. Jongmans, Farhad Arbab
Erschienen in: Advances in Service-Oriented and Cloud Computing
Verlag: Springer Berlin Heidelberg
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Coordination languages have emerged for the specification and implementation of interaction protocols among concurrent entities. Currently, we are developing a code generator for one such a language, based on the formalism of constraint automata (CA). As part of the compilation process, our tool computes the CA-specific synchronous product of a number of CA, each of which models a constituent of the protocol to generate code for. This ensures that implementations of those CA at run-time reach a consensus about their global behavior in every step. However, using the existing product operator on CA can be practically problematic. In this paper, we provide a solution by defining a new, local product operator on CA that avoids those problems. We then identify a sufficiently large class of CA for which using our new product instead of the existing one is semantics-preserving.