Figure *318: Conceptual View of Incremental Project Management [HUMMEL02]. Compare with Figure *355 in Evolutionary-Project-Management *355
1. Incremental-Development is defined here in order to contrast it with, and distinguish it from, Evo:
• Incremental-Development differs from Evo in that most all of the Incremental-Development Requirements design effort is up-front. In contrast Evo carries out
Requirements and design detailing gradually in each Evo cycle
• Incremental-Development is without Evo”s intent of measuring the progress of each (incremental) step fully (for example, measuring delivered performance Levels), then learning from these feedback measures and, Changing the Requirements and/or design accordingly
• Incremental-Development is also without the intent of delivering the steps (increments) with the highest “Value-To-Cost-Ratio” or “Performance-to-Cost-Ratio” first.
2. It is unfortunately common practice to say or write “incremental” when the strictly correct term according to the distinctions defined here is “Evolutionary”. Indeed, all Evolutionary Processes are also incremental, but they are a subclass deserving distinctive Terminology to announce the differences. This “lazy” use of the term is a sure sign of people who do not have deep understanding, or concern for, the value of feedback and change. Beware of their advice or opinions! The US DoD [[DOD EVO02], among others, has taken the trouble to carefully distinguish these Concepts!
This Concept entered by Adore.
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