Concurrent Reversible Sessions

Abstract : We present a calculus for concurrent reversible multiparty sessions, which improves on recent proposals in several respects: it allows for concurrent and sequential composition within processes and types, it gives a compact representation of the past of processes and types, which facilitates the definition of rollback, and it implements a fine-tuned strategy for backward computation. We propose a refined session type system for our calculus and show that it enforces the expected properties of session fidelity, forward and backward progress, as well as causal consistency. In conclusion, our calculus is a conservative extension of previous proposals, offering enhanced expressive power and refined analysis techniques.
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Submitted on : Tuesday, November 28, 2017 - 4:40:46 PM
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Ilaria Castellani, Mariangiola Dezani-Ciancaglini, Paola Giannini. Concurrent Reversible Sessions. CONCUR 2017 - 28th International Conference on Concurrency Theory , Roland Meyer; Uwe Nestmann, Sep 2017, Berlin, Germany. pp.1-17, ⟨10.4230/LIPIcs.CONCUR.2017.30⟩. ⟨hal-01639845⟩

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