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| Criterion |  Operations Visual Management |  Operations Theory of Constraints |  DevOps Blameless Postmortem |  Operations Bottleneck Analysis |
|---|---|---|---|---|
Purposedifferent | With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work. | For a system that does not get faster despite effort, the method directs attention to the bottleneck. It concentrates improvement on the point that actually limits throughput. | 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. | For a flow that backs up at one point, the method looks for the capacity limit with the greatest leverage. It explains why extra effort elsewhere barely improves throughput. |
Complexitydifferent | Low | High | Medium | Medium |
Timedifferent | Ongoing | 2-4 h Analyse, laufend | 30-90 min | 1-3 h |
Participantsdifferent | 1-20 | 3-12 | 3-12 | 3-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | Constraint Map, Improvement Plan, Flow Metrics | Postmortem Doc, Action Items, Timeline | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures |
Tagsno overlap | SignalsOperationsVisual management | OperationsConstraintsFlowImprovement | Site Reliability EngineeringIncidentLearningReliability | FlowMeasurementConstraints |