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| Criterion |  DevOps Blameless Postmortem |  DevOps Incident Command |  Decision Making OODA Loop |  Operations After-Action Review |
|---|---|---|---|---|
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. | 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. | In dynamic situations, decisions become outdated faster than they can be prepared. The OODA Loop holds observing, orienting, deciding, and acting together as a recurring rhythm so reaction does not slide into inertia. | 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 30-90 min | As needed | 15-60 min je Zyklus | 20-45 min |
Participantsdifferent | 3-12 | 4-15 | 1-8 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Incident Log, Action Tracker, Stakeholder Updates | Situation Assessment, Decision Loop, Action Updates | Lessons learned, Action items, Event summary |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | IncidentOperationsReliability | DecisionChangeLearningStrategy | LearningOperationsImprovement |