Software developement model first proposed in
1970 by [W. W. Royce]
?,
in which development is supposed to proceed linearly through the phases of
[requirements analysis]
?,
design, implementation
?, testing
? (validation),
integration and maintenance
?. The Waterfall Model is considered old-fashioned
or simplistic by proponents of [object-oriented design]
? which often uses the
[spiral model]
? instead.
This article (or an earlier version of it) contains material from FOLDOC's article on Waterfall Model, used with permission.
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