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| Criterion |  Operations Accountability Ladder |  Operations After-Action Review |  DevOps Blameless Postmortem |  DevOps Incident Command |
|---|---|---|---|---|
Purposedifferent | With defensive reactions to problems, the method shifts the view from justification to ownership. It makes visible which reaction stage a person or team is currently stuck on. | 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. | 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. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 20-45 min | 20-45 min | 30-90 min | As needed |
Participantsdifferent | 1-8 | 3-12 | 3-12 | 4-15 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Ownership Reflection, Action Commitment, Coaching Notes | Lessons learned, Action items, Event summary | Postmortem Doc, Action Items, Timeline | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | ResponsibilityLeadershipTeam | LearningOperationsImprovement | Site Reliability EngineeringIncidentLearningReliability | IncidentOperationsReliability |