The main objective of Solution Planning is to produce full costs, a Project Plan and a
Business Case accounting for the resources that are made available to the project.
This phase confirms that the development plan is realistic and that the Business Case for the project is solid.
To do this; further detail work is done on use cases, particularly those that have the greatest effect on the
proposed technical solution to ensure mutual understanding of critical functionality.
The requirements are detailed enough to understand architectural risks and to ensure that there is an
understanding of the scope of each requirement for planning.
Testing approach is also developed as this may have a material impact on the costs of the solution.
The stakeholders approve the scope and vision and release funding for the next project management stage.
Between 5%-15% of overall development estimate to be spent on this stage.