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| Criterion |  Product Strategy GIST Planning |  DevOps Blameless Postmortem |  DevOps Game Day |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | GIST Planning helps clarify target groups, value, goals, and priorities. It links customer value, product logic, and decision priorities, and captures the result as goals, an idea bank, and a step-project list. | 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. | 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. | 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 | Medium | High | Low |
Timedifferent | Wochen bis Monate je Goal | 30-90 min | Halber Tag | 20-45 min |
Participantsdifferent | 3-10 | 3-12 | 5-20 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Goals, Idea bank, Step-project list, Tasks, Learning reports | Postmortem Doc, Action Items, Timeline | Simulation Notes, Gaps List, Updated Runbooks | Lessons learned, Action items, Event summary |
Tagsno overlap | RoadmapOutcomesPlanningExperiments | Site Reliability EngineeringIncidentLearningReliability | ResilienceOperationsIncident | LearningOperationsImprovement |