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| Criterion |  Operations Runbook |  Decision Making Three-Point Estimation |  DevOps Game Day |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | For recurring operational tasks or incidents, the method keeps solid action logic ready. It reduces uncertainty when time pressure, role changes, or rare situations demand fast access. | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | 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. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 20-60 min | 10-30 min je Item | Halber Tag | 30-90 min |
Participantsdifferent | 1-4 | 1-8 | 5-20 | 3-12 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Runbook, Checklist, Escalation Path | Three-Point Estimate, Risk Range, Assumption Notes | Simulation Notes, Gaps List, Updated Runbooks | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | OperationsReliabilityDocumentation | EstimationUncertaintyForecasting | ResilienceOperationsIncident | Site Reliability EngineeringIncidentLearningReliability |