33.4. Designing for Non-Functional or Quality Requirements

Before moving on to the next section, notice that the design work up to this point in the chapter did not relate to business logic, but to non-functional or quality requirements related to reliability and recovery.

Interestingly—and this a key point in software architecture—it is common that the large-scale themes, patterns, and structures of the software architecture are shaped by the designs to resolve the non-functional or quality requirements, rather than the basic business logic.