Decentralized Stream Runtime Verification

2019
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Authors: Luis Miguel Danielsson; César Sánchez
Published in: Runtime Verification
Publisher: Springer International Publishing

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Abstract

We study the problem of decentralized monitoring of stream runtime verification specifications. Decentralized monitoring uses distributed monitors that communicate via a synchronous network, a communication setting common in many cyber-physical systems like automotive CPSs. Previous approaches to decentralized monitoring were restricted to logics like LTL logics that provide Boolean verdicts. We solve here the decentralized monitoring problem for the more general setting of stream runtime verification. Additionally, our solution handles network topologies while previous decentralized monitoring works assumed that every pair of nodes can communicate directly. We also introduce a novel property on specifications, called decentralized efficient monitorability, that guarantees that the online monitoring can be performed with bounded resources. Finally, we report the results of an empirical evaluation of an implementation and compare the expressive power and efficiency against state-of-the-art decentralized monitoring tools like Themis.

Notes

This work was funded in part by the Madrid Regional Government under project “S2018/TCS-4339 (BLOQUES-CM)”, by EU H2020 project 731535 “Elastest” and by Spanish National Project “BOSCO (PGC2018-102210-B-100)”.

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Metadata
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Title: Decentralized Stream Runtime Verification
Authors: Luis Miguel Danielsson
César Sánchez
Publisher: Springer International Publishing
Book: Runtime Verification
Print ISBN: 978-3-030-32078-2

Electronic ISBN: 978-3-030-32079-9

Copyright Year: 2019
DOI: https://doi.org/10.1007/978-3-030-32079-9_11

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