Quality Attribute Definitions
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Correctness
Features and constituent functionality work as intended
Example Measures & Targets
100% completion of agreed features · Severity 1 defects = 0 · Severity 2 defects = 0 · Severity 3 defects < 5 · Severity 4 defects < 10
Test Types
Unit
Integration
System
Contract
Visual
Acceptance
E2E
Confidentiality
Ensuring that Information is only accessible to those with authorised access.
Maintainability
How easy it is to release changes to the system, such as new features or fixes for defects.
Availability
Ensuring that authorised users have access to Information when required Interoperability Ease with which the system can exchange information with other systems. Performance Measures the responsiveness of the system under a given load and the ability to scale to meet growing demand.
Observability
Ease with which issues with a system can be diagnosed through the ability to measure the internal state by examining output metrics, logs and traces. Responsive Ability of UX rendered by front-end code to adapt to varying devices such as mobile, tablet and desktop.
Integrity
Safeguarding the accuracy and completeness of information and processing methods
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