Discrete Event System Specification (DEVS)
Distributed Object Computing (DOC)
Modeling and Simulation

Abstract

This research examines an approach to modeling and simulating a distributed object computing (DOC) system as a set of discrete software components mapped onto a set of networked processing nodes. Our overall modeling approach has clearly separated hardware and software components enabling co-design engineering. The software component models form a distributed cooperative object (DCO) model to represent interacting software objects. The hardware component models form a loosely coupled network (LCN) model of processing nodes, network gates, and interconnecting communication links. The distribution of DCO software objects across LCN processors forms an Object System Mapping (OSM) model. The OSM provides a sufficient specification to allow simulation investigations. Component model dynamics are specified using the Discrete Event System Specification (DEVS) formalism. Experimental frame components facilitate analysis of individual DCO and LCN components as well as interdependent system behaviors.


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Last modified: May 27, 2005 -- © François Cellier