Analysis & Design: Workflow

In the Inception Phase, analysis and design is concerned with establishing whether the system as envisioned is feasible, and with assessing potential technologies for the solution. If it is felt that little risk attaches to the development (because, for example, the domain is well understood, the system is not novel, and so on) then this discipline detail may be omitted.

The early Elaboration Phase focuses on creating an initial architecture for the system (Define The Architecture) to provide a starting point for the main analysis work.

After the initial elements are identified, they are further refined (Grow the Design).  The result is an initial set of classes which are further refined in the Implementation discipline.