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| Criterion |  Architecture Request for Comments |  Engineering Fault Isolation |  Engineering Golden Path |  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 technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | When teams need a reliable default path for frequent use, sprawl quickly emerges without any guiding logic. Golden Path bundles the preferred path so good practice becomes easy and deviation becomes deliberate. | 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 | Medium | Medium | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 30-180 min | 1-3 Tage Setup, laufend | 15-45 min |
Participantsdifferent | 3-20 Reviewer | 1-6 | 2-8 | 1-3 |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Golden Path Guide, Templates, Quality Checks | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | TroubleshootingDiagnosisEngineering | EngineeringProductivityGovernance | ArchitectureRationaleDocumentationGovernance |