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| Criterion |  Architecture Software Architecture Canvas |  Decision Making Decision Matrix |  Decision Making DACI |  Decision Making RAPID |
|---|---|---|---|---|
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. | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | 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. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 1-2 h | 45-90 min | 30-60 min | 45-90 min |
Participantsdifferent | 3-10 | 2-8 | 2-10 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Architecture Canvas, Goals, Constraints, Quality Attributes | Decision Matrix, Scoring Rationale, Selected Option | DACI Matrix, Decision Owner, Decision Log | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | CanvasArchitectureAlignmentWorkshop | DecisionCriteriaScoringTradeoffs | DecisionRolesGovernanceAlignment | DecisionRolesGovernance |