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| Criterion |  Operations PDCA Cycle |  DevOps Blameless Postmortem |  DevOps Incident Timeline Analysis |  DevOps Incident Command |
|---|---|---|---|---|
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. | 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 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. | 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 1 h bis mehrere Wochen | 30-90 min | 60-180 min | As needed |
Participantsdifferent | 1-8 | 3-12 | 3-10 | 4-15 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Postmortem Doc, Action Items, Timeline | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | Continuous improvementLeanExperiments | Site Reliability EngineeringIncidentLearningReliability | IncidentTimelineSite Reliability Engineering | IncidentOperationsReliability |