Evaluation method of software reliability based on SPN model |
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Authors: | Ping Pan Xinyue Mao Xuan Zhu |
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Affiliation: | 1.College of Computer Science and Technology,Guizhou University,Guizhou,China |
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Abstract: | As a significant measure of software security evaluation, software reliability evaluation is also the basis of software safe operation. Traditional software system security evaluation methods are qualitative evaluation based on the functional and structural measurements, and it often ignores quantitative research based on invalidity and fault. This paper propose a stochastic transition function as a measure parameters of the reliability of stochastic Petri nets (SPN) theory. By calculating the probability of stability of the system, failure and mean time to first failure, it establishes an evaluation and measurement method for software reliability. With example analysis, the method can conduct effective evaluation on the software reliability index quickly and accurately, and meanwhile provides a new method for the software security evaluation. |
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