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| Criterion |  Architecture Request for Comments |  Decision Making DACI |  Engineering Goal Question Metric |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 30-60 min | 90-180 min | 15-45 min |
Participantsdifferent | 3-20 Reviewer | 2-10 | 3-6 | 1-3 |
Formatdifferent | Async | Workshop + async | Workshop | Async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | DACI Matrix, Decision Owner, Decision Log | GQM Table, Metric Profiles | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | DecisionRolesGovernanceAlignment | MetricsMeasurementEngineeringAlignment | ArchitectureRationaleDocumentationGovernance |