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| Criterion |  Operations Fault Tree Analysis |  Operations 8D Problem Solving |  Architecture Architecture Communication Canvas |
|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | High | High | Medium |
Timedifferent | 2-6 h | 1-6 Wochen | 60-120 min |
Participantsdifferent | 3-8 | 4-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | RiskRoot causeSafety | QualityProblem solvingRoot cause | ArchitectureCommunicationStakeholdersCanvas |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
