The waterfall model for software development was first proposed by Royce in 1970.
Agile software development methods are against some concepts proposed in the Waterfall Model.
Friday, August 14, 2020
Agile software development 1 - 2020aug14
On "requirements":
Bech (Extreme Programming):
Requirements gathering is in a phase that produces a static document, but an activity producing detail, just before it is needed, throughout development
Cohn (Scrum):
Scrum projects do not have an upfront analysis or design phase; all work occurs within the repeated cycle of sprints
Poppendieck (Lean):
And those things called requirements? They are really candidate solutions; separating requirements from implementation is just another form of handover
[source: edx course on Agile Software Development]
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