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Conference Papers Year : 2019

Parametric Timed Broadcast Protocols


In this paper we consider state reachability in networks composed of many identical processes running a parametric timed broadcast protocol (PTBP). PTBP are a new model extending both broadcast protocols and parametric timed automata. This work is, up to our knowledge, the first to consider the combination of both a parametric network size and timing parameters in clock guard constraints. Since the communication topology is of utmost importance in broadcast protocols, we investigate reachability problems in both clique semantics where every message reaches every processes, and in reconfigurable semantics where the set of receivers is chosen non-deterministically. In addition, we investigate the decidability status depending on whether the timing parameters in guards appear only as upper bounds in guards, as lower bounds or when the set of parameters is partitioned in lower-bound and upper-bound parameters.

Dates and versions

hal-01961497 , version 1 (20-12-2018)



Étienne André, Benoît Delahaye, Paulin Fournier, Didier Lime. Parametric Timed Broadcast Protocols. 20th International Conference on Verification, Model Checking, and Abstract Interpretation (VMCAI 2019), Constantin Enea and Ruzica Piskac, Jan 2019, Lisboa, Portugal. ⟨10.1007/978-3-030-11245-5_23⟩. ⟨hal-01961497⟩
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