Chapter 6. A Use-Case-Driven Process

This chapter introduces the concepts of use case, actor, and scenario. It shows how use cases can be used throughout the development cycle as drivers for many activities, flowing information through several models and encouraging consistency across these models.


A large part of the Rational Unified Process focuses on modeling. As we explained in Chapter 5, models help us to understand and shape both the problem we are trying to solve as well as its solution. The choice of models and the choice of techniques used to express them have a significant impact on the way we think about the problem and try to shape the solution.

Many approaches can be taken to model the problem and to express the requirements ...

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