Computation of User Oriented Reliability of S/W through Markov Chain
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User oriented reliability is related to user profile and usage of the system. Here system reliable for one user may not be reliable for other user. User oriented reliability can be represented as a function of the reliability of the components and frequency distribution of utilization of these components. To test software in a limited time and with limited resources, one needs to go for Model Base Testing techniques which use probability based approach to evaluate the reliability. It is software testing technique in which test cases are derived in whole or in part from a model that describes s...
User oriented reliability is related to user profile and usage of the system. Here system reliable for one user may not be reliable for other user. User oriented reliability can be represented as a function of the reliability of the components and frequency distribution of utilization of these components. To test software in a limited time and with limited resources, one needs to go for Model Base Testing techniques which use probability based approach to evaluate the reliability. It is software testing technique in which test cases are derived in whole or in part from a model that describes some aspects of the system under test. In this work the Software Reliability of Library Management System module of SHARP software is calculated. For computation of software reliability, modular structure of chosen software was presented in form of Markov Chain Model. In this work a control flow graph is developed using Markov Chain Model. Reliabilities of sub modules are based on data received from end user survey of SHARP Software. Inter module transition probabilities are also based on this questionnaire. This information is used to develop a model base testing technique.
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