Re-verification of a Lip Synchronization Protocol using Robust Reachability


Kordy, Piotr and Langerak, Rom and Polderman, Jan Willem (2010) Re-verification of a Lip Synchronization Protocol using Robust Reachability. In: Manuela Bujorianu & Michael Fischer (Eds.), Proceedings FM-09 Workshop on Formal Methods for Aerospace. Electronic proceedings in theoretical computer science, 20 . EPTCS, pp. 49-62.

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Abstract:The timed automata formalism is an important model for specifying and analysing real-time systems. Robustness is the correctness of the model in the presence of small drifts on clocks or imprecision in testing guards. A symbolic algorithm for the analysis of the robustness of timed automata has been implemented. In this paper, we re-analyse an industrial case lip synchronization protocol using the new robust reachability algorithm. This lip synchronization protocol is an interesting case because timing aspects are crucial for the correctness of the protocol. Several versions of the model are considered: with an ideal video stream, with anchored jitter, and with non-anchored jitter.
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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