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| Criterion |  DevOps Incident Command |  Delivery Cost of Delay |  DevOps Blameless Postmortem |  Operations After-Action Review |
|---|---|---|---|---|
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. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. | 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. | 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 | High | Medium | Low |
Timedifferent | As needed | 90-180 min | 30-90 min | 20-45 min |
Participantsdifferent | 4-15 | 3-8 | 3-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Incident Log, Action Tracker, Stakeholder Updates | CoD Table, Prioritization Sequence | Postmortem Doc, Action Items, Timeline | Lessons learned, Action items, Event summary |
Tagsno overlap | IncidentOperationsReliability | PrioritizationDeliveryEconomicsDecision | Site Reliability EngineeringIncidentLearningReliability | LearningOperationsImprovement |