Obviously, this title is a little provocative and there is a lot of shortcut 
. I am myself doing architecture and software development, and I have a recurrent rhetorical question tickling in my head; where should a
particular artifact be built.
Indeed, a common pattern in software development is too find the right boundaries, the right frontier, the right position, the right size:
- Where should I decompose my software into service,
- Where this module should be separated from another,
- Where is the frontier between meta-data (configuration, …) and data.
- Where is particular class should settle, in the GUI part, the back-end part, …