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| Criterion |  DevOps ChatOps |  Decision Making Three-Point Estimation |  DevOps Game Day |  Decision Making PERT Estimation |
|---|---|---|---|---|
Purposedifferent | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | 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. | 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. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | Ongoing | 10-30 min je Item | Halber Tag | 15-45 min |
Participantsdifferent | 2-20 | 1-8 | 5-20 | 1-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Chat Transcript, Action Log, Automations | Three-Point Estimate, Risk Range, Assumption Notes | Simulation Notes, Gaps List, Updated Runbooks | PERT Estimate, Expected Value, Risk Notes |
Tagsno overlap | CollaborationEngineeringIncident | EstimationUncertaintyForecasting | ResilienceOperationsIncident | EstimationUncertaintyRisk |