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| Criterion |  DevOps Blameless Postmortem |  Systems Thinking Futures Wheel |  Operations After-Action Review |  DevOps Game Day |
|---|---|---|---|---|
Purposedifferent | 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. | The Futures Wheel helps explore the consequences of a decision, a trend, or a strategic move in a structured way. It makes visible which first, second, and third-order effects could arise from an event. | 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 preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 30-90 min | 60-120 min | 20-45 min | Halber Tag |
Participantsdifferent | 3-12 | 3-10 | 3-12 | 5-20 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Futures Wheel, Consequence Chains, Strategic Signals | Lessons learned, Action items, Event summary | Simulation Notes, Gaps List, Updated Runbooks |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ForesightSystems thinkingSignals | LearningOperationsImprovement | ResilienceOperationsIncident |