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| Criterion |  Operations Fault Tree Analysis |  Architecture C4 Model |  Operations Scatter Diagram |
|---|---|---|---|
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. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. |
Complexitydifferent | High | Low | Low |
Timedifferent | 2-6 h | 1-4 h | 30-90 min |
Participantsdifferent | 3-8 | 1-5 | 1-4 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Context Diagram, Container Diagram, Component Diagram | Scatter Plot, Korrelationsnotiz, Hypothesenliste |
Tagsno overlap | RiskRoot causeSafety | ArchitectureCommunicationVisualization | Root causeQualityVisualization |
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