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| Criterion |  DevOps Blameless Postmortem |  DevOps Incident Timeline Analysis |  Innovation Lean Startup |  DevOps Incident Command |
|---|---|---|---|---|
Purposedifferent | 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. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-90 min | 60-180 min | Wochen bis Monate je Lernzyklus | As needed |
Participantsdifferent | 3-12 | 3-10 | 2-8 | 4-15 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | IncidentTimelineSite Reliability Engineering | LeanStartupValidationMVP | IncidentOperationsReliability |