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| Criterion |  Agile NoEstimates |  Architecture Request for Comments |  Decision Making Delphi Method |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | When estimating slows a team down more than it helps, it shifts the focus to flow, small slices, and real lead time. It sorts work by value, risk, and delivery ability. The result is captured as Throughput Data, Flow Forecast, and Slicing Rules. | 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. | 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. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | laufend | 1-3 Wochen vom Draft bis zur Entscheidung | 1-4 Wochen | 15-45 min |
Participantsdifferent | 2-12 | 3-20 Reviewer | 6-30 Experten | 1-3 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Expert Forecast, Consensus Range, Assumption Notes | ADR File, Decision Log, Rationale |
Tagsno overlap | EstimationForecastingFlow | ArchitectureDecisionAsyncGovernance | ForecastingExpertsDecisionStrategy | ArchitectureRationaleDocumentationGovernance |