Pawan Kumar Chaurasia and Jahid Ali
Technology is changed with the requirement of the user. There is a tremendous change in size, speed and structure of computer hardware and software. With these changes, complexity of computer system also increases with the time. As a result, different types of faults, bugs and failures has also increased in due coverage of time. Therefore, plenty of work has been done to test the failure using operational profile and numerous analysis software reliability models for estimating software reliability growth has been proposed. In order to assess their usability and importance, this paper does a critical review on the need and significance of a specifying operational and usage based modeling.
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