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| Criterion |  Architecture C4 Model |  DevOps ChatOps |  Architecture Architecture Decision Record |
|---|---|---|---|
Purposedifferent | 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 operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 1-4 h | Ongoing | 15-45 min |
Participantsdifferent | 1-5 | 2-20 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Chat Transcript, Action Log, Automations | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureCommunicationVisualization | CollaborationEngineeringIncident | ArchitectureRationaleDocumentationGovernance |
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