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| Criterion |  Engineering Fault Isolation |  DevOps Game Day |  DevOps Incident Command |
|---|---|---|---|
Purposedifferent | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | 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. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 30-180 min | Halber Tag | As needed |
Participantsdifferent | 1-6 | 5-20 | 4-15 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Simulation Notes, Gaps List, Updated Runbooks | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | TroubleshootingDiagnosisEngineering | ResilienceOperationsIncident | IncidentOperationsReliability |
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