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A software cost model with warranty and risk costs

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2 Author(s)
Hoang Pham ; Dept. of Ind. Eng., Rutgers Univ., Piscataway, NJ, USA ; Xuemei Zhang

In this paper, a cost model with warranty cost, time to remove each error detected in the software system, and risk cost due to software failure is developed. A software reliability model based on non-homogeneous Poisson process is used. The optimal release policies to minimize the expected total software cost are discussed. A software tool is also developed using Excel and Visual Basic to facilitate the task of determining the optimal software release time. Numerical examples are provided to illustrate the results

Published in:

IEEE Transactions on Computers  (Volume:48 ,  Issue: 1 )