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| Criterion |  Operations After-Action Review |  Innovation Design Charrette |  DevOps Incident Command |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | In a tightly timed design process with many participants, the method pools several lines of thinking in a short time. It brings parallel design energy without letting the discussion tip into endless coordination. This quickly produces solid directions for architecture or space. | 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. | 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 | 20-45 min | Halber Tag bis mehrere Tage | As needed | 30-90 min |
Participantsdifferent | 3-12 | 10-50 | 4-15 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Lessons learned, Action items, Event summary | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction | Incident Log, Action Tracker, Stakeholder Updates | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | LearningOperationsImprovement | BrainstormingWorkshopCollaborationIdeation | IncidentOperationsReliability | Site Reliability EngineeringIncidentLearningReliability |