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| Criterion |  DevOps Blameless Postmortem |  DevOps Game Day |  Business Strategy Strategy Execution Loop |  Operations Learning Review |
|---|---|---|---|---|
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. | 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. | The Strategy Execution Loop helps avoid treating strategy as a one-off document. It makes visible how strategic decisions are turned into objectives, initiatives, operational work, measurement, and learning. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. |
Complexitydifferent | Medium | High | High | Medium |
Timedifferent | 30-90 min | Halber Tag | Initial 3-6 h, then monthly or quarterly reviews | 1-3 h |
Participantsdifferent | 3-12 | 5-20 | 5-12 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Simulation Notes, Gaps List, Updated Runbooks | Execution Loop, Review Cadence, Strategic Learning Log | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ResilienceOperationsIncident | ExecutionCadenceLearningGovernance | LearningRetrospectiveIncidentOperations |