Reversible Sessions Using Monitors

Claudio A. Mezzina
(IMT School for Advanced Studies Lucca, Italy)
Jorge A. Pérez
(University of Groningen, The Netherlands)

Much research has studied foundations for correct and reliable communication-centric systems. A salient approach to correctness uses session types to enforce structured communications; a recent approach to reliability uses reversible actions as a way of reacting to unanticipated events or failures. This note develops a simple observation: the machinery required to define asynchronous semantics and monitoring can also support reversible protocols. We propose a process framework of session communication in which monitors support reversibility. A key novelty in our approach are session types with present and past, which allow us to streamline the semantics of reversible actions.

In Dominic Orchard and Nobuko Yoshida: Proceedings of the Ninth workshop on Programming Language Approaches to Concurrency- and Communication-cEntric Software (PLACES 2016), Eindhoven, The Netherlands, 8th April 2016, Electronic Proceedings in Theoretical Computer Science 211, pp. 56–64.
Published: 17th June 2016.

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