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| Criterion |  Architecture C4 Model |  Architecture Architecture Decision Record |  Innovation Lean Startup |
|---|---|---|---|
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. | 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. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 1-4 h | 15-45 min | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 1-5 | 1-3 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | ADR File, Decision Log, Rationale | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | ArchitectureCommunicationVisualization | ArchitectureRationaleDocumentationGovernance | LeanStartupValidationMVP |
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