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Waterfall model

Why is the waterfall model valuable in the management of information technology projects? Please explain your answer.

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Time spent early on in software production can lead to greater economy later on in the software lifecycle; that is, a bug found in the early stages of the production lifecycle is much cheaper to fix than if it is discovered at a later time.

This is the central idea behind Big Design Up Front (BDUF) and the waterfall model - time spent early on making sure that requirements and design are absolutely correct will save you much time and effort ...

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