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<p>The notions of time and the operational profile incorporated into software reliability are incomplete. The authors assert that reliability should be redefined as a function of application complexity, test effectiveness, and operating environment. Errors made during software development and testing often cause post-release software failures. Software reliability theory is one of industry's seminal approaches for predicting the likelihood of software field failures.</p> <p>Software reliability theory seems to work accurately in telecommunications and aerospace. Governments regulate product quality in these two fields, whereas in other disciplines, quality has historically been an add-on, of lesser market value than feature richness or short release cycles. Today, accurate quality measurement cannot be confined to particular industries; it is especially needed in shrink-wrap software.</p> <p>The authors' goal is to create a dialogue in the reliability community and to identify a technology base that will widen interest in software reliability among practitioners outside the telecom and aero-space domains. They propose a new method for software reliability research. They challenge the software reliability community to consider these ideas in future models.</p>

J. Voas and J. A. Whittaker, "Toward a More Reliable Theory of Software Reliability," in Computer, vol. 33, no. , pp. 36-42, 2000.
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