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| Criterion |  DevOps Game Day |  Architecture Architecture Decision Record |  Architecture C4 Model |  DevOps Incident Command |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. |
Complexitydifferent | High | Low | Low | Medium |
Timedifferent | Halber Tag | 15-45 min | 1-4 h | As needed |
Participantsdifferent | 5-20 | 1-3 | 1-5 | 4-15 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | ADR File, Decision Log, Rationale | Context Diagram, Container Diagram, Component Diagram | Incident Log, Action Tracker, Stakeholder Updates |
Tagsno overlap | ResilienceOperationsIncident | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationVisualization | IncidentOperationsReliability |