Abstract

Abstract. Due to its concise, simple and unambiguous qualities, the Petri net method has become a reliable and accurate way of analyzing protocol. However, with one model conducting one point, the required models of the key points of protocol analysis, namely, the protocol performance evaluation and the protocol validation, are quite different. A method of using original Petri net as a model of protocol verification is proposed to solve this problem. And without changing any part of the structure of the original Petri net, it has realized protocol performance evaluation by attaching time delay to transition, hence avoiding repeat modeling. By so doing, one model can evaluate the performance of the protocol and validate it at the same time. As an example, the paper validates 0-1 stop and wait for protocol in detail and then evaluates the performance of the protocol by translating original Petri net of 0-1 stop and wait for protocol into timed Petri net.

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