Reliability of Systems with Markov Transfer of Control
IEEE Transactions on Software Engineering
Reliability of Systems with Markov Transfer of Control, II
IEEE Transactions on Software Engineering
Planning and Certifying Software System Reliability
IEEE Software
Operational Profiles in Software-Reliability Engineering
IEEE Software
Assessing the Sensitivity to Usage Profile Changes in Test Planning
ISSRE '00 Proceedings of the 11th International Symposium on Software Reliability Engineering
Journal of Systems and Software - Special issue: Computer software & applications
Theory, Volume 1, Queueing Systems
Theory, Volume 1, Queueing Systems
Software reliability estimation under certainty: generalization of the method of moments
HASE'04 Proceedings of the Eighth IEEE international conference on High assurance systems engineering
Selection of customers for operational and usage profiling
Proceedings of the Second International Workshop on Testing Database Systems
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Usage profiles are an important factor in software system reliability estimation. To assess the sensitivity of a system's reliability to changes in the usage profile, a Markov based system model is used. With the help of this model, the statistical sensitivity to many independent changes can be estimated. The theory supports both absolute and relative changes and can be used for systems with or without a terminal state. With this approach it is possible to very quickly estimate the uncertainty on the predicted reliability calculated from a Markov model based upon the uncertainty on the usage profile. Finally the theory is applied to an example to illustrate its use and to show its validity.