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| Criterion |  Decision Making DACI |  Architecture Software Architecture Canvas |  Domain Modeling EventStorming |  Architecture Architecture Inception Canvas |
|---|---|---|---|---|
Purposedifferent | 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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | 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. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 30-60 min | 1-2 h | 2-8 h | 1-2 h |
Participantsdifferent | 2-10 | 3-10 | 5-12 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Architecture Canvas, Goals, Constraints, Quality Attributes | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | DecisionRolesGovernanceAlignment | CanvasArchitectureAlignmentWorkshop | Domain-Driven DesignEventsDiscoveryWorkshop | AlignmentArchitectureCanvas |