DEVS/SOA: Towards DEVS Interoperability in Distributed M&S

  • Authors:
  • Alejandro Moreno;José L. Risco-Martín;Eva Besada;Saurabh Mittal;Joaquín Aranda

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • DS-RT '09 Proceedings of the 2009 13th IEEE/ACM International Symposium on Distributed Simulation and Real Time Applications
  • Year:
  • 2009

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Abstract

DEVS Modeling and Simulation (M&S) has multiple implementations with several computer languages such asJava, C# or C++. Therefore emerges the need of a distributed platform to provide interoperability mechanics for simulationand encourage reusability of legacy simulations and integration of diversified DEVS models. In this paper, we apply a recentlyproposed interoperability standard for DEVS M&S throughout a renewed version of DEVS/SOA. The main goal of thisweb oriented framework is to connect heterogeneous DEVS simulation elements in a transparent, open, and scalable way.We define a DEVS/SOA implementation that embodies Service Oriented Architecture (SOA) within WSDL standard to describethe simulator and coordinator interfaces and SOAP standard to support communication operations between them. This arrangementallows frontend user applications to lead simulations without local access to modeling components. Furthermore, weillustrate a real military based example of DEVS simulation interoperability among Java and .NET based DEVS models.Experiments in two different examples show that when the simulation is distributed using DEVS/SOA, we obtain a speedup of 22% in average.