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| Criterion |  Engineering Failure Scenario Analysis |  Operations Root Cause Tree Analysis |  DevOps Game Day |  Operations 5 Whys |
|---|---|---|---|---|
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. | 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. | 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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 1-3 h | 1-3 h | Halber Tag | 15-30 min |
Participantsdifferent | 3-8 | 2-8 | 5-20 | 2-6 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Cause Tree, Evidence Notes, Countermeasures | Simulation Notes, Gaps List, Updated Runbooks | Root cause notes, Countermeasures |
Tagsno overlap | FailureResilienceRisk | Root causeTreeIncidentQuality | ResilienceOperationsIncident | Root causeIncidentLeanProblem solving |