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| Criterion |  Operations Fault Tree Analysis |  DevOps Game Day |  Operations Barrier Analysis |
|---|---|---|---|
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. | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | High | High | Medium |
Timedifferent | 2-6 h | Halber Tag | 2-4 h |
Participantsdifferent | 3-8 | 5-20 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Simulation Notes, Gaps List, Updated Runbooks | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | RiskRoot causeSafety | ResilienceOperationsIncident | Root causeSafetyIncident |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
