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| Criterion |  Decision Making Impact Filter |  Architecture C4 Model |  Architecture Request for Comments |
|---|---|---|---|
Purposedifferent | With new ideas or requests, the conversation often turns to solutions too early and to effect too little. An Impact Filter forces the initiative into an effect perspective and checks whether it creates a relevant difference. | 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 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. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 20-45 min | 1-4 h | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 1-6 | 1-5 | 3-20 Reviewer |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Impact Filter, Success Criteria, Next Step | Context Diagram, Container Diagram, Component Diagram | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | ImpactOutcomesFramingDecision | ArchitectureCommunicationVisualization | ArchitectureDecisionAsyncGovernance |
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