NDLI: Causes of premature aging during software development: an observational study

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Causes of premature aging during software development: an observational study

Content Provider	ACM Digital Library
Author	Robillard, Pierre N. Lavallée, Mathieu
Abstract	Much work has been done on the subject of what happens to software architecture during maintenance activities. There seems to be a consensus that it degrades during the evolution of the software. More recent work shows that this degradation occurs even during development activities: design decisions are either adjusted or forgotten. Some studies have looked into the causes of this degradation, but these have mostly done so at a very high level. This study examines three projects at code level. Three architectural pre-implementation designs are compared with their post-implementation design counterparts, with special attention paid to the causes of the changes. We found many negative changes causing anti-patterns, at the package, class, and method levels. After analysis of the code, we were able to find the specific reasons for the poor design decisions. Although the underlying causes are varied, they can be grouped into three basic categories: knowledge problems, artifact problems, and management problems. This categorization shows that anti-pattern causes are varied and are not all due to the developers. The main conclusion is that promoting awareness of anti-patterns to developers is insufficient to prevent them since some of the causes escape their grasp.
Starting Page	61
Ending Page	70
Page Count	10
File Format	PDF
ISBN	9781450308489
DOI	10.1145/2024445.2024458
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2011-09-05
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Pre-implementation design Software aging Design erosion Post-implementation design
Content Type	Text
Resource Type	Article

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