Abstract
This paper proposes an approach to modeling and evaluating the performance of communication protocols based on formal specifications. A combined extended finite state machine (EFSM) and queueing network model is presented which is more sophisticated than either technique alone. Furthermore, the model avoids the state space explosion problem which may arise by the use of reachability analysis on an EFSM. The approach is illustrated using a simple sliding window protocol written in the formal description technique Estelle. >
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