Software evaluation
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The document discusses several approaches to software quality assessment including the ISO 9126 standard, OTSO, CRE, PORE, and Opal. It notes that the approaches focus on both internal and external quality metrics across areas like functionality, reliability, usability, and maintainability. Specific phases and processes are described for the OTSO, CRE and PORE approaches.
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Software evaluation
- 2. Many different ways to go about it ISO 9126 standard OTSO CRE PORE Opal
- 3. Focuses on Quality ▪ Functionality ▪ Reliability ▪ Usability ▪ Efficiency ▪ Maintainability ▪ Portability External & internal metrics Metrics themselves
- 4. OTSO = Off the shelf option Phases Search Screening Evaluation Analysis Deployment Assessment
- 5. CRE = COTS-based Requirements Engineering Phases Identification Description Evaluation Acceptance
- 6. PORE = Procurement-Oriented Requirements Engineering Approach Iterative Template-based ▪ Requirements from product supplier data ▪ Requirements from supplier-led demo ▪ Requirements acquired from product exploration
- 7. Phases Identify goals Preparing Selecting & call for best bid requirements tenders