Change-Point Models

P. K. Kapur (), H. Pham (), A. Gupta () and P. C. Jha ()
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P. K. Kapur: University of Delhi
H. Pham: Rutgers University
A. Gupta: University of Delhi
P. C. Jha: University of Delhi

Chapter Chapter 5 in Software Reliability Assessment with OR Applications, 2011, pp 171-213 from Springer

Abstract: Abstract Detection of a failure and successful removal of the fault that has caused the failure during software testing are affected by many factors. These factors include testing environment, strategy, testing team constitution and efficiency, test case effectiveness, resources and many more. The software reliability models formulated to track the reliability growth during testing consider a few or a number of these factors. Drawing certain assumptions on the testing process the models are formulated. The model parameters are representative of the various factors about the reliability growth and depict specified factors about the phenomenon under consideration, that is software testing. In the applications of SRGM on real testing environment to estimate the reliability for the period of testing it is assumed that the parameters of the SRGM can remain smooth over the testing period. However it may not be the case. For example, consider the situation that after two days of testing and analyzing the failure data the developer management may decide that an additional highly professional member should join the testing team and they also change the existing testing strategy and use some new automated testing tool.

Keywords: Change Point; Test Effort; Software Reliability; Reliability Growth; Testing Progress (search for similar items in EconPapers)
Date: 2011
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DOI: 10.1007/978-0-85729-204-9_5

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