A Bivariate Software Reliability Model with Change-Point and Its Applications

• 作者: Shigeru Yamada Shinji Inoue
• 来源期刊: 美国运筹学期刊(英文)
• 学科: 工学
• 关键词: SOFTWARE RELIABILITY SOFTWARE RELIABILITY GROWTH Factor CHANGE-POINT BIVARIATE SOFTWARE RELIABILITY GROWTH Model Optimal Testing-Effort Expending Problem
• 年，卷（期）: 2011,（1）
• 页码范围: 1-7
• 页数: 7页
• 分类号: TP31

摘要

Testing-time when a change of a stochastic characteristic of the software failure-occurrence time or software failure-occurrence time-interval is observed is called change-point. It is said that effect of the change-point on the software reliability growth process influences on accuracy for software reliability assessment based on a software reliability growth model (SRGM). We propose an SRGM with the effect of the change-point based on a bivariate SRGM, in which the software reliability growth process is assumed to depend on the testing-time and testing-effort factors simultaneously, for accurate software reliability assessment. And we discuss an optimal software release problem for deriving optimal testing-effort expenditures based on our model. Further, we show numerical examples of software reliability assessment based on our bivariate SRGM and estimation of optimal testing-effort expenditures by using actual data.