Applying UML and Patterns: An Introduction to Object-Oriented Analysis and Design and the Unified Process, Second Edition

36.4. Phase and Iteration Plans

At a macro level, it is possible to establish milestone dates and objectives, but at the micro level, the plan to the milestone is left flexible except for the near future (for example, the next four weeks). These two levels are reflected in the UP Phase Plan and Iteration Plan, both of which are part of the composite Software Development Plan. The Phase Plan lays out the macro-level milestone dates and objectives, such as the end of phases and mid-phase pilot test milestones. The Iteration Plan defines the work for the current and next iteration—not all iterations (see Figure 36.2).

Figure 36.2. Phase and Iteration Plans.

During inception, the milestone estimates in the Phase Plan are vague “guesstimates.” As ...