Abstract
Reliability testing of software is the key area of concern now-a-days; specially with the software which are safety critical and security prone systems. There is always a need of high software reliability. Most of the present models for evaluation of software reliability are based on statistical and probability approach. When we look into the use of these models for software reliability testing, we observe that there are possibilities of imprecision in the reliability estimation. For removing this imprecision, the Fuzzy logic and Fuzzy expert systems are used within various researches. The use of Fuzzy logic for reliability estimation can enhance the reliability of software even during the early stages of software development. Here we are giving a comparison analysis of few approaches and models proposed so far, for the estimation of software reliability and its improvement using Fuzzy logic.
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