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The Comparative Study of Software Optimal Release Time Based on Log-Logistic Distribution

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2008, 13(7), pp.1-9
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

Kim Hee Chul 1

1남서울대학교

Accredited

ABSTRACT

In this paper, make a study decision problem called an optimal release policies after testing a software system in development phase and transfer it to the user. When correcting or modifying the software, because of the possibility of introducing new faults when correcting or modifying the software, infinite failure non-homogeneous Poisson process models presented and propose an optimal release policies of the life distribution applied log-logistic distribution which can capture the increasing/decreasing nature of the failure occurrence rate per fault. In this paper, discuss optimal software release policies which minimize a total average software cost of development and maintenance under the constraint of satisfying a software reliability requirement. In a numerical example, after trend test applied and estimated the parameters using maximum likelihood estimation of inter-failure time data, make out estimating software optimal release time.

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