25.3 Change management
Change is a fact of life for large software systems. Organizational needs and requirements change during the lifetime of a system, bugs have to be repaired, and systems have to adapt to changes in their environment. To ensure that the changes are applied
to the system in a controlled way, you need a set of tool-supported, change management processes. Change management is intended to ensure that the evolution of the system is controlled and that the most urgent and cost-effective changes are prioritized.
Change management is the process of analyzing the costs and benefits of proposed changes, approving those changes that are cost-effective, and tracking which components in the system have been changed. Figure 25.14 is ...
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