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| Criterion |  Architecture Architecture Decision Record |  Decision Making Three-Point Estimation |  Agile Ideal Days |
|---|---|---|---|
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. | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | When effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 15-45 min | 10-30 min je Item | 15-60 min |
Participantsdifferent | 1-3 | 1-8 | 2-9 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Three-Point Estimate, Risk Range, Assumption Notes | Ideal Day Estimates, Assumption Notes, Capacity Caveats |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | EstimationUncertaintyForecasting | EstimationEffortAgile |
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