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| Criterion |  Agile NoEstimates |  DevOps Incident Command |  Operations Gemba Walk |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | When estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | 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 there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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 | Medium | Medium | Low | Medium |
Timedifferent | laufend | As needed | 30-120 min | 30-90 min |
Participantsdifferent | 2-12 | 4-15 | 2-6 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | Incident Log, Action Tracker, Stakeholder Updates | Observation Notes, Improvement Ideas | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | EstimationForecastingFlow | IncidentOperationsReliability | LeanObservationProcessOperations | Site Reliability EngineeringIncidentLearningReliability |