#cascade method

Fixed Price and Agility

I’ve come to love ‘agile’ systems implementation methods, and they are rightly fashionable in the nerdy circles in which I move.

But when I was trained on business software implementation methods many decades ago, I was told that it had to go like this:

find out what the customer wants, and write it all down,

get his sign-off on the requirements document,

design the system, and write it all down,