DEVSML: automating DEVS execution over SOA towards transparent simulators

Discrete Event Specification (DEVS) formalism has been used to study dynamics of discrete event systems. DEVS environments are typically open architectures that have been extended to execute on various middleware such as CORBA, Grid computing, P2P networks, RMI and others. The present work aims to provide another development environment using the Service Oriented Architecture (SOA) framework. The proposed DEVS Modeling Language (DEVSML) is built on XML and provides model interoperability among DEVS models located at remote locations. The DEVSML environment is built on client-sever paradigm and the simulation is executed at the server's end. The proposed DEVS atomic and coupled DTDs are open to standardization from the community for successful model sharing and collaboration. The DEVSML framework provides the needed feature of run-time composability of coupled systems using the SOA framework. DEVSML also provides the capability to translate model to and from XML and JAVA programming language leading to model composability and validation. This paper will demonstrate the client application as well as the server architecture underlying the DEVSML framework.

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