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| Criterion |  Architecture Architecture Communication Canvas |  Decision Making RAPID |  Architecture Software Architecture Canvas |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 60-120 min | 45-90 min | 1-2 h | 30-60 min |
Participantsdifferent | 2-8 | 3-12 | 3-10 | 2-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | RAPID Role Map, Recommendation, Decision Log | Architecture Canvas, Goals, Constraints, Quality Attributes | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ArchitectureCommunicationStakeholdersCanvas | DecisionRolesGovernance | CanvasArchitectureAlignmentWorkshop | DecisionRolesGovernanceAlignment |