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| Criterion |  Architecture Architecture Decision Record |  DevOps Game Day |  Operations Learning Review |
|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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 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 | Low | High | Medium |
Timedifferent | 15-45 min | Halber Tag | 1-3 h |
Participantsdifferent | 1-3 | 5-20 | 3-10 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Simulation Notes, Gaps List, Updated Runbooks | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ResilienceOperationsIncident | LearningRetrospectiveIncidentOperations |
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