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8 - Properties of Choreographies and Endpoint Projection

from Part II - Computation

Published online by Cambridge University Press:  11 May 2023

Fabrizio Montesi
Fabrizio Montesi
Affiliation:
University of Southern Denmark
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Summary

We study the properties of Recursive Choreographies and its related notion of EPP in depth. Endpoint projection is proven to guarantee choreography compliance and communication safety in this setting. Starvation-freedom does not hold anymore in general, due to the possibilities opened by general recursion in Recursive Choreographies, but it holds for the tail-recursive fragment of the language. Under some reasonable assumptions, the weaker property of deadlock-freedom holds for any implementation returned by EPP. That is, the EPP of a choreography never gets stuck.

Keywords

branching orderwell-formednesssoundnesscompletenesscommunication safetylivenessstarvation-freedomdeadlock-freedom
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Chapter
Information
Introduction to Choreographies , pp. 156 - 176
Publisher: Cambridge University Press
Print publication year: 2023

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