It is much more than that; the "Waterfall Model" SDLC is very much misunderstood. In fact the commonly used diagram for waterfall was an example of what not to

It is much more than that; the "Waterfall Model" SDLC is very much misunderstood. In fact the commonly used diagram for waterfall was an example of what not to do! Folks should read the following; Wikipedia - https://en.wikipedia.org/wiki/Waterfall_model https://en.wikipedia.org/wiki/Waterfall_model The Myth of the 'Waterfall' SDLC - http://www.bawiki.com/wiki/Waterfall.html http://www.bawiki.com/wiki/Waterfall.html This is a very good analysis.