Effective Software Project Management

Incremental SDPM Strategy for the Closing Phase of the Staged Delivery Waterfall Model

Figure 15-2 illustrates the Closing Phase of the SDPM strategy for the Staged Delivery Waterfall model.

Figure 15-2. The Closing Phase of the SDPM strategy for the Staged Delivery Waterfall model

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Here the dynamics of closing are clearly shown. As you can see, at each increment there is a formal “closing of the increment.” The two critical parts of that closing are the acceptance criteria and the lessons learned. These are discussed in the sections that follow.

Acceptance Criteria

There are two types of acceptance criteria: incremental acceptance criteria and project completion acceptance criteria.

Incremental Acceptance Criteria

The closing of the increment involves the validation that the acceptance criteria have been met for that increment and the integration of the new functionality with the then deployed solution completed. Also, the original acceptance criteria for the just completed increment may have been modified with scope change requests coming from earlier increments that were added to the just completed increment. That may be a lot to take in, but it highlights the fact that there are a lot of moving parts in these increments and that good process management is required to stay on top of the situation.

Project Completion Acceptance Criteria

Project completion ...