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| Criterion |  Domain Modeling EventStorming |  Architecture Architecture Decision Record |  Decision Making DACI |
|---|---|---|---|
Purposedifferent | When a domain consists of many events, rules, and states, it creates a shared modeling space for the team. It bundles language, flows, and boundaries before domain knowledge fragments into siloed views. | 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. | 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 | Medium | Low | Low |
Timedifferent | 2-8 h | 15-45 min | 30-60 min |
Participantsdifferent | 5-12 | 1-3 | 2-10 |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | ADR File, Decision Log, Rationale | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | Domain-Driven DesignEventsDiscoveryWorkshop | ArchitectureRationaleDocumentationGovernance | DecisionRolesGovernanceAlignment |
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