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| Criterion |  Architecture Request for Comments |  Architecture Architecture Decision Record |  Product Strategy KPI Tree |  Engineering Goal Question Metric |
|---|---|---|---|---|
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. | When metrics across the organization drift apart, it arranges drivers and effects under one shared logic. It connects customer value, product logic, and decision priorities. The result is captured as a KPI tree and owner list. | 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. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 15-45 min | 90-180 min initial, dann laufend | 90-180 min |
Participantsdifferent | 3-20 Reviewer | 1-3 | 3-8 | 3-6 |
Formatdifferent | Async | Async | Workshop + async | Workshop |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | ADR File, Decision Log, Rationale | KPI Tree, Owner List | GQM Table, Metric Profiles |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | ArchitectureRationaleDocumentationGovernance | MetricsStrategyAlignmentMeasurement | MetricsMeasurementEngineeringAlignment |