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Design It! by Michael Keeling

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Define the Quality Attributes

Quality attributes describe externally visible properties of a software system and the expectations for that system’s operation. Quality attributes define how well a system should perform some action. These -ilities of the system are sometimes called quality requirements. Here is a list of some common quality attributes from Software Architecture in Practice [BCK12].

Design Time Properties

Runtime Properties      

Conceptual Properties

Modifiability

Maintainability

Reusability

Testability

Buildability or Time-to-Market      

Availability

Reliability

Performance

Scalability

Security

Manageability

Supportability

Simplicity

Teachability

Every architecture decision promotes or inhibits at least one quality attribute. ...

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