|Description||Defines the behavior of the solution, including relationships between actor and behavior, actor and data, behavior and data, usage scenarios, and more.|
|Risk & Impact:||The use cases constitute the formal requirements. The solution can not be developed in absence of this knowledge.|
System Interface Model
|Upstream Tasks:||Logical Process Decomposition|
|Downstream Tasks:||Preliminary System Architecture
User Interface Design
|Iterates with:||Logical Process Decomposition|
|Deliverables:||Use Cases – Detailed use cases, based on the use case template.
Service Requirements – Documentation of the specific service requirements for the functional areas and steps. For example, all steps in the “Search for Customer” use case must complete within 5 seconds.
|Template(s):||use case template|