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