The blastoff process establishes the scope of the work. This scopeideally shown graphically as a context diagramdefines a business area, part of which is to be automated by the intended product. However, this work scope is probably too large to be studied as a single unit. Just as you cut your food into small bites before attempting to eat it, it is necessary to partition the work into manageable pieces before studying it to find the product's requirements.
In this chapter we lay out a set of heuristics to guide you in finding the most appropriate use cases. Almost as a by-product of this effort, you will arrive at the most useful product that you can build. |