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| Criterion |  Operations Runbook |  DevOps Blameless Postmortem |  Decision Making Trade-off Analysis |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | For recurring operational tasks or incidents, the method keeps solid action logic ready. It reduces uncertainty when time pressure, role changes, or rare situations demand fast access. | 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. | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. | 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 | Low | Medium | Medium | Low |
Timedifferent | 20-60 min | 30-90 min | 45-120 min | 20-45 min |
Participantsdifferent | 1-4 | 3-12 | 2-8 | 3-12 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Runbook, Checklist, Escalation Path | Postmortem Doc, Action Items, Timeline | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | Lessons learned, Action items, Event summary |
Tagsno overlap | OperationsReliabilityDocumentation | Site Reliability EngineeringIncidentLearningReliability | TradeoffsDecisionCriteriaOptions | LearningOperationsImprovement |