Impact of time-dependent environmental factor on software release planning

Vibha Verma, Sameer Anand, Hoang Pham and Anu Gupta Aggarwal

International Journal of Operational Research, 2025, vol. 53, issue 4, 417-449

Abstract: Reliability assessment of software during operational phase is critical for release and warranty decisions because users are concerned about software performance during usage period. To characterise the distinctions in the settings during the testing and operational phase an environmental factor is introduced in release planning problem. It represents the impact of the usage frequency on software performance and the relative severity of the phases. In this paper, the effect of a constant environmental factor (during the warranty phase) and a time-dependent environmental factor (during the post-warranty phase) on reliability and release decisions have been analysed. A software cost model has been formulated that minimises the development cost and determines optimal variable values (testing and warranty time) while achieving reliability requirements incorporating environmental factor in the release model. The impact of changes in reliability requirements cost components, and environmental factor on the release schedule has been studied using real-life fault datasets.

Keywords: software release decisions; time-dependent environmental factor; warranty phase; testing phase; operational phase; development cost. (search for similar items in EconPapers)
Date: 2025
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