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Selected:SAAM (Software Architecture Analysis Method)LASR (Lightweight Approach for Software Reviews)5 Whys8D Problem Solving
| Criterion |  Architecture SAAM (Software Architecture Analysis Method) |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations 5 Whys |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | High | Medium | Low | High |
Timedifferent | Preparation, scenario analysis, and findings review; effort depends on scope | 3–4 h for initial assessment; preparation and deeper analysis additional | 15-30 min | 1-6 Wochen |
Participantsdifferent | Architecture experts and stakeholders for scenarios and weighting | 1 or a small team; particularly suitable for 3–4 people | 2-6 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks | Root cause notes, Countermeasures | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ArchitectureChangeAnalysisComparisonQuality | ArchitectureQualityRiskAssessmentLean | Root causeIncidentLeanProblem solving | QualityProblem solvingRoot cause |