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Exploiting temporal uncertainty in the distributed simulation of time Petri nets

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3 Author(s)
Cicirelli, F. ; Laboratorio di Ingegneria del Software, Universita della Calabria, Italy ; Furfaro, A. ; Nigro, L.

This paper proposes a kernel for the distributed simulation of real-time systems modelled by Merlin and Farber's time Petri nets (TPN). The realization depends on temporal uncertainty time warp (TUTW), a novel time warp algorithm capable of exploiting temporal uncertainty in general optimistic simulations. A key feature of the application rests on the fact that TPN models naturally exhibit a certain degree of temporal uncertainty which the TUTW control engine can exploit to achieve good speedup without impairing accuracy of the simulation output. Usefulness of the achieved TUTW/TPN kernel is demonstrated by simulation experiments on a real-time system example.

Published in:

Simulation Symposium, 2005. Proceedings. 38th Annual

Date of Conference:

4-6 April 2005