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| Criterion |  Architecture Architecture Decision Record |  Decision Making Delphi Method |  Architecture Request for Comments |
|---|---|---|---|
Purposedifferent | 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 knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 15-45 min | 1-4 Wochen | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 1-3 | 6-30 Experten | 3-20 Reviewer |
Formatsame | Async | Async | Async |
Outputdifferent | ADR File, Decision Log, Rationale | Expert Forecast, Consensus Range, Assumption Notes | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ForecastingExpertsDecisionStrategy | ArchitectureDecisionAsyncGovernance |
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