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| Criterion |  Decision Making DACI |  Architecture Architecture Communication Canvas |  Architecture Software Architecture Canvas |  Decision Making Decision Rights Mapping |
|---|---|---|---|---|
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 Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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 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 | 30-60 min | 60-120 min | 1-2 h | 90-180 min |
Participantsdifferent | 2-10 | 2-8 | 3-10 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Architecture Canvas, Goals, Constraints, Quality Attributes | Decision Rights Matrix, Agreement |
Tagsno overlap | DecisionRolesGovernanceAlignment | ArchitectureCommunicationStakeholdersCanvas | CanvasArchitectureAlignmentWorkshop | DecisionGovernanceAlignmentResponsibility |