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| Criterion |  Architecture Request for Comments |  Architecture Architecture Decision Record |  Architecture Architecture Inception 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. | 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. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 15-45 min | 1-2 h |
Participantsdifferent | 3-20 Reviewer | 1-3 | 3-8 |
Formatdifferent | Async | Async | Workshop |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | ADR File, Decision Log, Rationale | Inception Canvas, Risks, Goal List, Open Questions |
Tags1 shared | ArchitectureDecisionAsyncGovernance | ArchitectureRationaleDocumentationGovernance | AlignmentArchitectureCanvas |
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