期刊
RELIABILITY ENGINEERING & SYSTEM SAFETY
卷 126, 期 -, 页码 37-43出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ress.2014.01.004
关键词
Software reliability; Fault detection process; Fault correction process; Testing effort function; Imperfect debugging
资金
- NSFC [71231001, 71301009]
- China Postdoctoral Science Foundation [2013M530531]
- MOE Ph.D. supervisor fund [20120006110025]
This paper studies the fault detection process (FDP) and fault correction process (FCP) with the incorporation of testing effort function and imperfect debugging. In order to ensure high reliability, it is essential for software to undergo a testing phase, during which faults can be detected and corrected by debuggers. The testing resource allocation during this phase, which is usually depicted by the testing effort function, considerably influences not only the fault detection rate but also the time to correct a detected fault. In addition, testing is usually far from perfect such that new faults may be introduced. In this paper, we first show how to incorporate testing effort function and fault introduction into FDP and then develop FCP as delayed FDP with a correction effort. Various specific paired FDP and FCP models are obtained based on different assumptions of fault introduction and correction effort. An illustrative example is presented. The optimal release policy under different criteria is also discussed. (C) 2014 The Authors. Published by Elsevier Ltd. All rights reserved.
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