Managing Software Requirements: A Unified Approach

Chapter 24. Refining the Use Cases

Key Points

• To support the design and coding activities, the use cases developed in the elicitation activities must be more fully elaborated.

• Use cases are most appropriate when the system is rich in functionality and must support differing types of users.

• Use cases are not as effective when applied to systems with few or no users and minimal interfaces, those with mostly nonfunctional requirements, and design constraints.

In Team Skills 1 and 2, we introduced use cases, another technique for expressing requirements for a system. This technique has achieved a degree of popularity and common use.

It can be argued that the use-case technique has certain inherent advantages over the traditional approach to defining individual, ...