Type: Principles
Sources: Scott Selhorst on http://tynerblain.com/blog/2007/07/09/enabling-and-resisting-change/
Find a less brief description of Evolutionary Development here. http://kw-agiledevelopment.blogspot.com/2007/06/scrum-agile-development-uncommon-sense.html
Gist
Explain which conditions make a case for evolutionary development.
Principles and Notes
P1: Evolutionary Development can very briefly described as:
Decide what needs to be done.
Do the most important things first.
Release the product incrementally as you complete items.
Do small steps, because there is less *uncertainty* to overcome.
Re-evaluate and repeat.
P2: Waterfall Development can very briefly described as:
Decide what needs to be done.
Do things in an efficient sequence.
When finished, release the product.
Note: Kelly Waters descibes waterfall as: "Seeking to complete *everything* before releasing *anything*."
P3: There are at least 3 types of change where, if they occur, evolutionary development is better in handling than waterfall development.
Change in business needs (less frequent, large change each)
Change in requirements (frequent, medium change each)
Change in business rules (more frequent, small change each).
Related Pages
- 3 characteristics of engineering
- why and how to state the credibility of estimations
- calculating success
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