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| Criterion |  Architecture Request for Comments |  Decision Making DACI |  Decision Making Trade-off Analysis |
|---|---|---|---|
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. | 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. | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 30-60 min | 45-120 min |
Participantsdifferent | 3-20 Reviewer | 2-10 | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | DACI Matrix, Decision Owner, Decision Log | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides |
Tags1 shared | ArchitectureDecisionAsyncGovernance | DecisionRolesGovernanceAlignment | TradeoffsDecisionCriteriaOptions |
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