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| Criterion |  Architecture Request for Comments |  Systems Thinking CATWOE Analysis |  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. | CATWOE structures a problem from six viewpoints and prevents too narrow a view of the situation. Different experiences of the system become comparably discussable this way. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 45-90 min | 60-120 min |
Participantsdifferent | 3-20 Reviewer | 3-8 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | Systems thinkingFramingStakeholders | ArchitectureCommunicationStakeholdersCanvas |
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