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| Criterion |  DevOps Incident Command |  Architecture Architecture Decision Record |  Architecture C4 Model |  Operations Runbook |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | For recurring operational tasks or incidents, the method keeps solid action logic ready. It reduces uncertainty when time pressure, role changes, or rare situations demand fast access. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | As needed | 15-45 min | 1-4 h | 20-60 min |
Participantsdifferent | 4-15 | 1-3 | 1-5 | 1-4 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Incident Log, Action Tracker, Stakeholder Updates | ADR File, Decision Log, Rationale | Context Diagram, Container Diagram, Component Diagram | Runbook, Checklist, Escalation Path |
Tagsno overlap | IncidentOperationsReliability | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationVisualization | OperationsReliabilityDocumentation |