What do you want the system to do?
Is the system designed to do
that? Only that?
¥What else does it do that you don't
Minimalist system design
¥everything is BOTH necessary AND
¥nothing extra you don't know about
Modular, Layered, Understood, Well Defined Interfaces
The Evidence is in the documentation, the formal
design, the detailed analysis, and the insistence that nothing is there that isn't necessary
¥the knowledge of what it does and doesn't