GDEVS/HLA Environment: A Time Management Improvement

Gregory Zacharewicz (1) , Norbert Giambiasi (1) , Claudia Frydman (1)

1 LSIS - Laboratoire des Sciences de l'Information et des Systèmes

This paper presents a distributed discrete event simulation environment based on GDEVS and HLA concepts. The chosen local simulation structure is “flatten” to reduce the exchange of messages between simulation components regarding with classical structure of DEVS simulators. Moreover, we present an integration method to create GDEVS models HLA-compliant; for that purpose, we introduce an effective algorithm of conservative synchronization using the HLA lookahead and so improving the distributed simulation time management. Finally, we detail an example of distributed GDEVS coupled models to show the improvement due to the new algorithm.

Mots clés: DEVS; GDEVS; Distributed Simulation; Synchronization; HLA; Lookahead

Domaines: Modélisation et simulation

Gregory Zacharewicz, Norbert Giambiasi, Claudia Frydman. GDEVS/HLA Environment: A Time Management Improvement. The 17th IMACS World Congress on Scientific Computation, Applied Mathematics and Simulation, Aug 2005, Paris, France. pp.T4-I-116-0844. ⟨hal-00173618⟩