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| Criterion |  DevOps Game Day |  Engineering Fault Isolation |  DevOps Incident Command |  Engineering Hypothesis-Driven Troubleshooting |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. |
Complexitydifferent | High | Medium | Medium | Medium |
Timedifferent | Halber Tag | 30-180 min | As needed | 30-240 min |
Participantsdifferent | 5-20 | 1-6 | 4-15 | 1-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Incident Log, Action Tracker, Stakeholder Updates | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary |
Tagsno overlap | ResilienceOperationsIncident | TroubleshootingDiagnosisEngineering | IncidentOperationsReliability | TroubleshootingProblem solvingDiagnosis |