Sammendrag
This paper studies the process of rewriting and replacing critical parts of a large open source software (OSS) system. Building upon the notions of installed based and transition strategies, we analyze how the interaction between the OSS and the context within which it is developed and used enables and constrains the process of rewriting and replacement. We show how the transition strategy emerges from and continuously changes in response to the way the installed base is cultivated. By demonstrating a mutual relationship between the transition strategy and the installed base, we show how the transition strategy in this particular case changes along three axes: the scope of the rewrite, the sequence to replace existing software, and the actors
to be involved in the process. The paper is concluded with some implications for how to study the process of rewriting and replacing OSS.
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