Link: http://enterprise-it-architecture.blogspot.com/2013/04/usability-is-not-architecture-quality.html
The architecture of an application is often evaluated by assessing its quality attributes; things like performance, security, maintainability and availability. One topic that often surfaces is whether Usability should be considered an architecture quality attribute.
No one would dispute the importance of usability in the assessment of an application, but is Usability is an attribute of