Mathematical Framework to Identify Reliability in Software
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Abstract
Reliability is the probability of failure free operation in a specified period of time within a specified environment. In another words, reliability is the probability that a system will execute without failure in a specified time. It is observed that mostly reliability measurement is done by using failure intensity. The main objective of reliability is to measure the quality of software in terms of failure intensity. Therefore, if we want failure free system, it is necessary to avoid failures in a software system. From the study it was observed that the reliability of software is inversely proportional to the complexity of software. That means as complexity of software increases, the reliability of software will be decreased. Now a day, with technological advancements, it is very difficult to think any system without reliability feature. To observe the importance of reliability of software, in this paper, we tried to explore about the reliability of any software system and presented a framework to quantify reliability of any software system. We took some of case studies to quantify the failure free operation of a system. The study shows that the reliable component of software can be used for increasing the concept of reusability and results in decreasing development cost of any software. Finally, our aim is to estimate a reliability and handover the more reliable software system that can be used as component for another software system.
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