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| Criterion |  Engineering Failure Scenario Analysis |  DevOps Game Day |  Operations Failure Mode and Effects Analysis |  Operations Root Cause Tree Analysis |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most 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 process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Medium | High | High | Medium |
Timedifferent | 1-3 h | Halber Tag | 2-6 h | 1-3 h |
Participantsdifferent | 3-8 | 5-20 | 3-10 | 2-8 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Simulation Notes, Gaps List, Updated Runbooks | FMEA Table, Risk Priority, Mitigation Actions | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | FailureResilienceRisk | ResilienceOperationsIncident | RiskQualityOperationsRoot cause | Root causeTreeIncidentQuality |