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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Verification of GALS Systems by Combining Synchronous Languages and Process Calculi
verfasst von : Hubert Garavel, Damien Thivolle
Erschienen in: Model Checking Software
Verlag: Springer Berlin Heidelberg
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A
Gals
(Globally Asynchronous Locally Synchronous) system typically consists of a collection of sequential, deterministic components that execute concurrently and communicate using slow or unreliable channels. This paper proposes a general approach for modelling and verifying
Gals
systems using a combination of synchronous languages (for the sequential components) and process calculi (for communication channels and asynchronous concurrency). This approach is illustrated with an industrial case-study provided by Airbus: a
TftpUdp
communication protocol between a plane and the ground, which is modelled using the Eclipse/
Topcased
workbench for model-driven engineering and then analysed formally using the
Cadp
verification and performance evaluation toolbox.