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| Criterion |  Operations Fault Tree Analysis |  Operations Fishbone Diagram |  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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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 | Low | Medium |
Timedifferent | 2-6 h | 30-60 min | 60-120 min |
Participantsdifferent | 3-8 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Fishbone Diagram, Cause Categories, Investigation Backlog | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | RiskRoot causeSafety | Root causeQualityOperations | ArchitectureCommunicationStakeholdersCanvas |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
