Hello,
Here is a model I have unfortunately seen many times in my career.
I've attached a picture that inspired me and that illustrates perfectly what is produced by this process. I think you all know it.
It can be detailed. Your comments are welcome.
Have fun.
Pascal.

djebar hammouche on
Hi Pascal,
imho you forget the most important perspective
"the politic/key sponsor perspective" (aka it's not a bug it's a feature) decide that the failled project will be an succes
"the architect perspective" : rebuild an "vaporware firm" tree before provide the product ...
regards