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A Multi-Level Approach for Modelling Distributed Agent Network

The task of building distributed application network is plagued by cost, ambiguous requirements and schedule overrun. A fundamental problem in building distributed applications is the presence of unreliable estimation to formulate the list of requirements in the initial stage of project life cycle. Subsequently, this often leads to reactive response from decision-makers against error occurrences, leaving a very small space for developers to establish forward planning. Unless estimations are enhanced to include more sophisticated verification and validation methodologies, the problem will remain. This paper looks at Petri Nets as a modelling and simulation instrument to verify and validate models of distributed application networks.