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| Criterion |  Decision Making Three-Point Estimation |  Architecture Architecture Decision Record |  Architecture Architecture Communication Canvas |
|---|---|---|---|
Purposedifferent | 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. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 10-30 min je Item | 15-45 min | 60-120 min |
Participantsdifferent | 1-8 | 1-3 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Three-Point Estimate, Risk Range, Assumption Notes | ADR File, Decision Log, Rationale | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | EstimationUncertaintyForecasting | ArchitectureRationaleDocumentationGovernance | ArchitectureCommunicationStakeholdersCanvas |
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