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| Criterion |  Operations Runbook |  Decision Making PERT Estimation |  DevOps Game Day |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
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. | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk 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. | 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. |
Complexitydifferent | Low | Medium | High | High |
Timedifferent | 20-60 min | 15-45 min | Halber Tag | 2-6 h |
Participantsdifferent | 1-4 | 1-8 | 5-20 | 3-10 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop |
Outputdifferent | Runbook, Checklist, Escalation Path | PERT Estimate, Expected Value, Risk Notes | Simulation Notes, Gaps List, Updated Runbooks | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | OperationsReliabilityDocumentation | EstimationUncertaintyRisk | ResilienceOperationsIncident | RiskQualityOperationsRoot cause |