Applying UML and Patterns: An Introduction to Object-Oriented Analysis and Design and the Unified Process, Second Edition
by Craig Larman
8.2. On to Elaboration
Elaboration is the initial series of iterations during which the team does serious investigation, implements (programs and tests) the core architecture, clarifies most requirements, and tackles the high-risk issues. In the UP, “risk” includes business value. Therefore, early work may include implementing scenarios that are deemed important, but are not especially technically risky.
Elaboration often consists of between two and four iterations; each iteration is recommended to be between two and six weeks, unless the team size is massive. Each iteration is timeboxed, meaning its end date is fixed; if the team is not likely to meet the date, requirements are placed back on the future tasks list, so that the iteration can ...
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