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| Criterion |  Architecture Architecture Decision Record |  Agile Bucket System |  Decision Making DACI |  Agile Affinity Estimation |
|---|---|---|---|---|
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. | When a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | When many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 15-45 min | 30-90 min | 30-60 min | 30-90 min |
Participantsdifferent | 1-3 | 3-12 | 2-10 | 3-12 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Bucketed Backlog, Relative Estimates, Split Candidates | DACI Matrix, Decision Owner, Decision Log | Affinity Size Map, Grouped Estimates, Unclear Items |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | EstimationBacklogRelative sizing | DecisionRolesGovernanceAlignment | EstimationBacklogRelative sizing |