NDLI: Quasi-Renewal Time-Delay Fault-Removal Consideration in Software Reliability Modeling

Content Provider	IEEE Xplore Digital Library
Author	Seheon Hwang Hoang Pham
Copyright Year	1996
Abstract	Software reliability growth models based on a nonhomogeneous Poisson process (NHPP) have been considered as one of the most effective among various models since they integrate the information regarding testing and debugging activities observed in the testing phase into the software reliability model. Although most of the existing NHPP models have progressed successfully in their estimation/prediction accuracies by modifying the assumptions with regard to the testing process, these models were developed based on the instantaneous fault-removal assumption. In this paper, we develop a generalized NHPP software reliability model considering quasi-renewal time-delay fault removal. The quasi-renewal process is employed to estimate the time delay due to identifying and prioritizing the detected faults before actual code change in the software reliability assessment. Model formulation based on the quasi-renewal time-delay assumption is provided, and the generalized mean value function (MVF) for the proposed model is derived by using the method of steps. The general solution of the MVFs for the proposed model is also obtained for some specific existing models. The numerical examples, based on a software failure data set, show that the consideration of quasi-renewal time-delay fault-removal assumption improves the descriptive properties of the model, which means that the length of time delay is getting decreased since testers and programmers adapt themselves to the working environment as testing and debugging activities are in progress.
Sponsorship	IEEE Systems, Man, and Cybernetics Society
Starting Page	200
Ending Page	209
Page Count	10
File Size	257385
File Format	PDF
ISSN	10834427
Volume Number	39
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-01-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Software reliability Software testing Predictive models Delay effects Accuracy Delay estimation Fault diagnosis Fault detection Software debugging Programming profession time-delay fault removal Mean value function (MVF) nonhomogeneous Poisson process (NHPP) quasi-renewal process software reliability engineering
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Information Systems Electrical and Electronic Engineering Human-Computer Interaction Computer Science Applications Software

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