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| Criterion |  Knowledge Modeling IBIS |  Architecture Request for Comments |  Architecture Architecture Inception Canvas |
|---|---|---|---|
Purposedifferent | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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 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 | Medium | Low |
Timedifferent | 1-3 h | 1-3 Wochen vom Draft bis zur Entscheidung | 1-2 h |
Participantsdifferent | 2-8 | 3-20 Reviewer | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Issue Map, Positions, Argument Notes | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | RationaleKnowledgeDecision | ArchitectureDecisionAsyncGovernance | AlignmentArchitectureCanvas |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
