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| Criterion |  Architecture C4 Model |  Architecture Software Architecture Canvas |  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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 1-4 h | 1-2 h | 15-45 min |
Participantsdifferent | 1-5 | 3-10 | 1-3 |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Architecture Canvas, Goals, Constraints, Quality Attributes | ADR File, Decision Log, Rationale |
Tags1 shared | ArchitectureCommunicationVisualization | CanvasArchitectureAlignmentWorkshop | ArchitectureRationaleDocumentationGovernance |
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