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| Criterion |  DevOps Incident Command |  Operations After-Action Review |  Product Strategy DIBB |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | 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 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. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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 | Medium | Low | Low | Medium |
Timedifferent | As needed | 20-45 min | 1-2 h | 30-90 min |
Participantsdifferent | 4-15 | 3-12 | 2-8 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Incident Log, Action Tracker, Stakeholder Updates | Lessons learned, Action items, Event summary | DIBB document, Belief list, Bet list, Learning report | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | IncidentOperationsReliability | LearningOperationsImprovement | StrategyDecisionAssumptionsHypothesis | Site Reliability EngineeringIncidentLearningReliability |