Experience with Change-oriented SCM tools
In the recent years two approaches in Software Configuration Management (SCM) tools have been emphasized: a Change-oriented model and a Version-model approach. This paper gives an overview of two Change-oriented SCM tools developed at ABB Industrial Systems and describes the experience with their usage. The first tool is strictly change-oriented and it requires formal consistency of the entire software system. The second one is more pragmatic and less formal. It uses both Version and Change approach. The experience shows that a tool that supports a Change Management is very important in large software systems, especially in the verification and maintenance phase. Change Management is not only used as a part of a SCM tool, but in the entire development/maintenance process; in planning, producing release documentation, etc. However, a usage of a strictly change-oriented tool has shown that programmers find the method too complicated and unpredictable. The second tool that controls software component versions, but also supports Change Management in the development process appears to be more effective.
KeywordsChange Management System Version Logical Change Product Version Work Level
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