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| Criterion |  Operations PDCA Cycle |  DevOps Incident Timeline Analysis |  Operations Kaizen Event |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | 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 | Medium | Medium |
Timedifferent | 1 h bis mehrere Wochen | 60-180 min | 0.5-5 Tage | 30-90 min |
Participantsdifferent | 1-8 | 3-10 | 4-10 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | Continuous improvementLeanExperiments | IncidentTimelineSite Reliability Engineering | LeanContinuous improvementOperations | Site Reliability EngineeringIncidentLearningReliability |