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| Criterion |  Architecture Request for Comments |  Decision Making Cynefin Workshop |  Knowledge Modeling IBIS |  Decision Making DACI |
|---|---|---|---|---|
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. | When problems are unclear, chaotic, or only seemingly familiar, standard recipes fall short. A Cynefin Workshop sorts situations by the nature of their problem and connects them with matching action logic. | 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. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 60-180 min | 1-3 h | 30-60 min |
Participantsdifferent | 3-20 Reviewer | 4-20 | 2-8 | 2-10 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Cynefin Map, Domain-specific Actions, Sensemaking Notes | Issue Map, Positions, Argument Notes | DACI Matrix, Decision Owner, Decision Log |
Tags1 shared | ArchitectureDecisionAsyncGovernance | ComplexitySensemakingDecision | RationaleKnowledgeDecision | DecisionRolesGovernanceAlignment |