Actor Hierarchies give us an overview of the people who will interact with the system. We can extend this model to provide a visual indication of how use cases are distributed through the organization. Further, we can leverage a hierarchy to show how use cases are rolled out to the users – a targeted communication for our stakeholders.
Agile / Requirements Models / Use Cases
Posted on:
Incremental Delivery and Evolving Use Cases
Amazon.com started by selling books. Their initial use case was “Sell books online.” The vision was always “Sell everything” – hence the name. But they started with a simple use case and evolved it.