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| Criterion |  Architecture Architecture Decision Record |  Delivery Value Stream Mapping |  Decision Making DACI |  Decision Making Decision Rights Mapping |
|---|---|---|---|---|
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. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 15-45 min | 1-3 h | 30-60 min | 90-180 min |
Participantsdifferent | 1-3 | 4-10 | 2-10 | 4-12 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Current-state map, Future-state map, Bottleneck list | DACI Matrix, Decision Owner, Decision Log | Decision Rights Matrix, Agreement |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | LeanFlowWasteDelivery | DecisionRolesGovernanceAlignment | DecisionGovernanceAlignmentResponsibility |