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| Criterion |  Architecture Request for Comments |  Architecture C4 Model |  Growth A/B Testing |  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. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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 | High | Medium |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 1-4 h | 1-4 Wochen | 60-120 min |
Participantsdifferent | 3-20 Reviewer | 1-5 | 1-6 | 2-8 |
Formatdifferent | Async | Workshop + async | Async | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Context Diagram, Container Diagram, Component Diagram | Experiment results, Decision log, Learning summary | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | ArchitectureCommunicationVisualization | ExperimentsGrowthAnalyticsValidation | ArchitectureCommunicationStakeholdersCanvas |