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Erschienen in:
2013 | OriginalPaper | Buchkapitel
Concurrent Flexible Reversibility
verfasst von : Ivan Lanese, Michael Lienhardt, Claudio Antares Mezzina, Alan Schmitt, Jean-Bernard Stefani
Erschienen in: Programming Languages and Systems
Verlag: Springer Berlin Heidelberg
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Concurrent reversibility has been studied in different areas, such as biological or dependable distributed systems. However, only “rigid” reversibility has been considered, allowing to go back to a past state and restart the exact same computation, possibly leading to divergence. In this paper, we present
croll
-
π
, a concurrent calculus featuring
flexible reversibility
, allowing the specification of alternatives to a computation to be used upon rollback. Alternatives in
croll
-
π
are attached to messages. We show the robustness of this mechanism by encoding more complex idioms for specifying flexible reversibility, and we illustrate the benefits of our approach by encoding a calculus of communicating transactions.