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Erschienen in:
2010 | OriginalPaper | Buchkapitel
Communicating Transactions
(Extended Abstract)
verfasst von : Edsko de Vries, Vasileios Koutavas, Matthew Hennessy
Erschienen in: CONCUR 2010 - Concurrency Theory
Verlag: Springer Berlin Heidelberg
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We propose a novel language construct called
communicating transactions
, obtained by dropping the isolation requirement from classical transactions, which can be used to model automatic error recovery in distributed systems. We extend CCS with this construct and give a simple semantics for the extended calculus, called TransCCS. We develop a behavioural theory which is sound and complete with respect to the may-testing preorder, and use it to prove interesting laws and reason compositionally about example systems. Finally, we prove that communicating transactions do not increase the observational power of processes; thus CCS equivalences are preserved in the extended language.