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| Criterion |  Agile NoEstimates |  Architecture Architecture Decision Record |  Decision Making Decision Rights Mapping |  Architecture arc42 |
|---|---|---|---|---|
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 ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | laufend | 15-45 min | 90-180 min | 1-2 Tage |
Participantsdifferent | 2-12 | 1-3 | 4-12 | 1-4 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Throughput Data, Flow Forecast, Slicing Rules | ADR File, Decision Log, Rationale | Decision Rights Matrix, Agreement | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | EstimationForecastingFlow | ArchitectureRationaleDocumentationGovernance | DecisionGovernanceAlignmentResponsibility | ArchitectureDocumentationCommunication |