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Issue No. 06 - June (1987 vol. 13)
ISSN: 0098-5589
pp: 654-665
R.L. Bagrodia , Department of Computer Sciences, University of Texas at Austin
This paper develops a message-based approach to discrete-event simulation. Although message-based simulators have the same expressive power as traditional discrete-event simulation lanuages, they provide a more natural environment for simulating distributed systems. In message-based simulations, a physical system is modeled by a set of message-communicating processes. The events in the system are modeled by message-communications. The paper proposes the entity construct to represent a message-communicating process operating in simulated time. A general wait until construct is used for process scheduling and message-communication. Based on these two notions, the paper proposes a language fragment comprising a small set of primitives. The language fragment can be implemented in any general-purpose, sequential programming language to construct a message-based simulator. We give an example of a message-based simulation language, called MAY, developed by implementing the language fragment in Fortran. MAY is in the public domain and is available on request.
message-based simulation, Discrete-event simulation, distributed system, entity, message

K. Chandy, J. Misra and R. Bagrodia, "A Message-Based Approach to Discrete-Event Simulation," in IEEE Transactions on Software Engineering, vol. 13, no. , pp. 654-665, 1987.
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