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| Criterion |  Architecture Architecture Decision Record |  Delivery Value Stream Mapping |  Decision Making DACI |
|---|---|---|---|
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 delivery work dissolves into wait times, handoffs, and hidden effort, Value Stream Mapping makes the actual flow visible. The method exposes bottlenecks, idle time, and feedback loops so lead time and improvement levers become tangible. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 15-45 min | 1-3 h | 30-60 min |
Participantsdifferent | 1-3 | 4-10 | 2-10 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Current-state map, Future-state map, Bottleneck list | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | LeanFlowWasteDelivery | DecisionRolesGovernanceAlignment |
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