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| Criterion |  Decision Making Delphi Method |  Architecture Architecture Decision Record |  Decision Making Cynefin Workshop |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | 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 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 problems are unclear, chaotic, or only seemingly familiar, standard recipes fall short. A Cynefin Workshop sorts situations by the nature of their problem and connects them with matching action logic. | 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 | High | Low | Medium | Medium |
Timedifferent | 1-4 Wochen | 15-45 min | 60-180 min | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 6-30 Experten | 1-3 | 4-20 | 3-20 Reviewer |
Formatdifferent | Async | Async | Workshop | Async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | ADR File, Decision Log, Rationale | Cynefin Map, Domain-specific Actions, Sensemaking Notes | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | ForecastingExpertsDecisionStrategy | ArchitectureRationaleDocumentationGovernance | ComplexitySensemakingDecision | ArchitectureDecisionAsyncGovernance |