CyberinfraV1, France, Analysis, bibRecord, 000018

Practical interruptible conversations: Distributed Dynamic Veriﬁcation with Session Types and Python

Identifieur interne : 000018 ( France/Analysis ); précédent : 000017; suivant : 000019

Practical interruptible conversations: Distributed Dynamic Veriﬁcation with Session Types and Python

Auteurs : Romain Demangeon [France] ; Raymond Hu ; Rumyana Neykova ; Nobuko Yoshida

Source :

RBID : Hal:hal-01214669

Abstract

The rigorous and comprehensive verification of communication-based software is an important engineering challenge in distributed systems. Drawn from our industrial collaborations [33,28] on Scribble, a choreography description language based on multiparty session types, this paper proposes a dynamic verification framework for structured interruptible conversation programming. We first present our extension of Scribble to support the specification of asynchronously interruptible conversations. We then implement a concise API for conversation programming with interrupts in Python that enables session types properties to be dynamically verified for distributed processes. Our framework ensures the global safety of a system in the presence of asynchronous interrupts through independent runtime monitoring of each endpoint, checking the conformance of the local execution trace to the specified protocol. The usability of our framework for describing and verifying choreographic communications has been tested by integration into the large scientific cyberinfrastructure developed by the Ocean Observatories Initiative. Asynchronous interrupts have proven expressive enough to represent and verify their main classes of communication patterns, including asynchronous streaming and various timeout-based protocols, without requiring additional synchronisation mechanisms. Benchmarks show conversation programming and monitoring can be realised with little overhead.

Url:

https://hal.archives-ouvertes.fr/hal-01214669

DOI: 10.1007/978-3-642-40787-1_8

Affiliations:

France

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to stream Main, to step Exploration: 000267
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Links to Exploration step

Hal:hal-01214669

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Practical interruptible conversations: Distributed Dynamic Veriﬁcation with Session Types and Python

Practical interruptible conversations: Distributed Dynamic Veriﬁcation with Session Types and Python

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Abstract

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