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| Criterion |  Operations 8D Problem Solving |  Operations Change Analysis |  Architecture Software Architecture Canvas |
|---|---|---|---|
Purposedifferent | 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 1-6 Wochen | 45-120 min | 1-2 h |
Participantsdifferent | 4-10 | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Architecture Canvas, Goals, Constraints, Quality Attributes |
Tagsno overlap | QualityProblem solvingRoot cause | ChangeRoot causeTroubleshootingComparison | CanvasArchitectureAlignmentWorkshop |
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