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| Criterion |  Operations RACI Matrix |  Architecture Software Architecture Canvas |  Decision Making DACI |  Architecture Architecture Inception Canvas |
|---|---|---|---|---|
Purposedifferent | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | 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. | 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 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 45-90 min | 1-2 h | 30-60 min | 1-2 h |
Participantsdifferent | 2-8 | 3-10 | 2-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | RACI Matrix, Responsibility Map, Decision Notes | Architecture Canvas, Goals, Constraints, Quality Attributes | DACI Matrix, Decision Owner, Decision Log | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | RolesResponsibilityGovernanceOperations | CanvasArchitectureAlignmentWorkshop | DecisionRolesGovernanceAlignment | AlignmentArchitectureCanvas |