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| Criterion |  Architecture Software Architecture Canvas |  Decision Making DACI |  Operations RACI Matrix |
|---|---|---|---|
Purposedifferent | 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. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 1-2 h | 30-60 min | 45-90 min |
Participantsdifferent | 3-10 | 2-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Architecture Canvas, Goals, Constraints, Quality Attributes | DACI Matrix, Decision Owner, Decision Log | RACI Matrix, Responsibility Map, Decision Notes |
Tagsno overlap | CanvasArchitectureAlignmentWorkshop | DecisionRolesGovernanceAlignment | RolesResponsibilityGovernanceOperations |
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