Key Concept: Workflow
A mere enumeration of all roles, activities and artifacts does not
constitute a process; we need a way to describe meaningful sequences of
activities that produce some valuable result, and to show interactions between
roles. A workflow is a sequence of activities that produces a result of
observable value.
In UML terms, a workflow can be expressed as a sequence diagram, a
collaboration diagram, or an activity diagram. We use a form of activity
diagrams in the RUP. For each discipline, an activity
diagram is presented. This diagram shows the workflow, expressed in
terms of workflow details.
Sample activity diagram, from the project management
discipline, showing workflow details and transitions.
One of the great difficulties of describing the process is that there are
many ways to organize the set of activities into workflows. We have organized
the RUP using:
- Disciplines
- Workflow details
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