Quality characteristics
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The document outlines quality characteristics as per ISO/IEC 25010:2011, focusing on functionality, reliability, usability, efficiency, maintainability, and portability. It also describes technical processes according to ISO/IEC 12207:2008, associated with development and operational activities. Additionally, it details various roles and their characteristics in terms of reliability, efficiency, functionality, usability, and maintainability.
Quality characteristics
- 2. Quality characteristics ISO/IEC 25010:2011 • Functionality • Reliability • Usability • Efficiency • Maintainability • Portability ©2016AntonHrytsenko 2
- 3. Technical processes ISO/IEC 12207:2008 • Development Requirements definition Requirements analysis Architectural design Implementation Integration Testing Installation Acceptance • Operation • Maintenance • Disposal ©2016AntonHrytsenko 3
- 4. Processes and characteristics Process Characteristic Development Functionality Usability Operation Reliability Efficiency Maintenance Maintainability Portability ©2016AntonHrytsenko 4
- 5. Roles and characteristics Role Characteristic Architect Reliability Efficiency Portability Developer Functionality Maintainability Designer Usability ©2016AntonHrytsenko 5
- 6. Functionality Sub-characteristic Factor Suitability Users Accuracy Users Security Environments Interoperability Environments ©2016AntonHrytsenko 6
- 7. Usability Sub-characteristic Factor Operability Environments Understandability Users Attractiveness Users Learnability Users ©2016AntonHrytsenko 7
- 8. Reliability Sub-characteristic Factor Maturity Technologies Fault-tolerance Environments Recoverability Tools ©2016AntonHrytsenko 8
- 9. Efficiency Sub-characteristic Factor Time behavior Technologies Resource utilization Tools ©2016AntonHrytsenko 9
- 10. Maintainability Sub-characteristic Effort Analyzability Identify a change. Changeability Introduce a change. Testability Verify a change. Stability Avoid the negative impact of a change. ©2016AntonHrytsenko 10
- 11. Portability Sub-characteristic Effort Installability Install a product. Adaptability Support a new specification. Support a new operating environment. Replaceability Replace a component. ©2016AntonHrytsenko 11
- 12. Approaches • Load balancing • Stateless protocols • Redundancy • Graceful degradation • Switchover and failover ©2016AntonHrytsenko 12
- 13. Styles • Event-driven • Resource-oriented • Self-contained ©2016AntonHrytsenko 13