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| Criterion |  Architecture Request for Comments |  Architecture C4 Model |  Architecture Architecture Inception Canvas |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | 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 Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 1-4 h | 1-2 h | 60-120 min |
Participantsdifferent | 3-20 Reviewer | 1-5 | 3-8 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Context Diagram, Container Diagram, Component Diagram | Inception Canvas, Risks, Goal List, Open Questions | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tags1 shared | ArchitectureDecisionAsyncGovernance | ArchitectureCommunicationVisualization | AlignmentArchitectureCanvas | ArchitectureCommunicationStakeholdersCanvas |