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| Criterion |  Agile Working Agreements |  DevOps Blameless Postmortem |  DevOps Incident Command |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | When collaboration needs more than implicit expectations, it lays out shared ground rules openly. It creates reliability for conduct, availability, and decision paths. | 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. | 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 | 45-90 min | 30-90 min | As needed | 20-45 min |
Participantsdifferent | 3-12 | 3-12 | 4-15 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Working Agreements, Team Norms, Review Cadence | Postmortem Doc, Action Items, Timeline | Incident Log, Action Tracker, Stakeholder Updates | Lessons learned, Action items, Event summary |
Tagsno overlap | TeamCollaborationAgile | Site Reliability EngineeringIncidentLearningReliability | IncidentOperationsReliability | LearningOperationsImprovement |