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Selected:5 WhysSoftware Architecture CanvasSAAM (Software Architecture Analysis Method)8D Problem Solving
| Criterion |  Operations 5 Whys |  Architecture Software Architecture Canvas |  Architecture SAAM (Software Architecture Analysis Method) |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | 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. | 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 | Low | Low | High | High |
Timedifferent | 15-30 min | 1-2 h | Preparation, scenario analysis, and findings review; effort depends on scope | 1-6 Wochen |
Participantsdifferent | 2-6 | 3-10 | Architecture experts and stakeholders for scenarios and weighting | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Architecture Canvas, Goals, Constraints, Quality Attributes | 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 | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Root causeIncidentLeanProblem solving | CanvasArchitectureAlignmentWorkshop | ArchitectureChangeAnalysisComparisonQuality | QualityProblem solvingRoot cause |