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| Criterion |  DevOps ChatOps |  Operations After-Action Review |  Decision Making OODA Loop |  DevOps Blameless Postmortem |
|---|---|---|---|---|
Purposedifferent | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | 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. | In dynamic situations, decisions become outdated faster than they can be prepared. The OODA Loop holds observing, orienting, deciding, and acting together as a recurring rhythm so reaction does not slide into inertia. | 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 | Medium | Medium |
Timedifferent | Ongoing | 20-45 min | 15-60 min je Zyklus | 30-90 min |
Participantsdifferent | 2-20 | 3-12 | 1-8 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Chat Transcript, Action Log, Automations | Lessons learned, Action items, Event summary | Situation Assessment, Decision Loop, Action Updates | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | CollaborationEngineeringIncident | LearningOperationsImprovement | DecisionChangeLearningStrategy | Site Reliability EngineeringIncidentLearningReliability |