Definition: Requirements - UML

Requirementsare capabilities and conditions to which the system and morebroadly, the project must conform [JBR99].

The UP promotes a deft of best practices, one of which is manage requirements. This does not mean the waterfall attitude of attempting to fully define and stabilize the requirements in the first phase of a project before programming, but rather in the context of inevitably changing and unclear stake holder’s wishes, this means” a systematic approach to finding, documenting, organizing, and tracking the changing requirements of a system" [RUP].

In short, doing it iteratively and skillfully, and not being sloppy.

A prime challenge of requirements analysis is to find, communicate, and remember (that usually means write down) what is really needed, in a form that clearly speaks to the client and development team members.

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