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Objective-driven DEVS Modeling Using OPI Matrix for Performance Evaluation of Discrete Event Systems

Tag Gon Kim and Chang Ho Sung

Summer Computer Simulation Conference 2007 (SCSC 2007)
San Diego, California (USA), July 15-18, 2007


Abstract

DEVS (Discrete Event Systems Specification) models are widely employed for simulation-based performance evaluation of discrete event systems. Performance modeling of such a system requires a pruning of a set of components, or objects, within the system in its subset which are eventually transformed into simulation models. Such modeling is objective-driven in that simulation models may be abstract enough to measure performance indices which reflect simulation objectives. This paper proposes a practical tool, called an OPI (Object-Performance Index) matrix which is useful for such pruning in the objective-driven DEVS modeling. It also presents transformation of the pruned objects to DEVS models for performance simulation. An overall procedure for the objective-driven DEVS modeling from given objectives is presented and a simple example is illustrated.


  
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