There are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies, and the other way is to make it so complicated that there are no obvious deficiencies. The first method is far more difficult.

Sir C.A.R. Hoare

A good architecture provides many advantages:

Architecture is hard work, but it returns dividends.

What should be required from a software architecture?

The architecture must be documented to a level where a domain knowledgeable person, from the architectural documents alone, is able to understand the requirements to the system and how these are to be realized both structurally and dynamically.

The architecture must document: