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| Criterion |  Decision Making RAPID |  Architecture Software Architecture Canvas |  Operations RACI Matrix |  Architecture Architecture Inception Canvas |
|---|---|---|---|---|
Purposedifferent | 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. | 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 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 45-90 min | 1-2 h | 45-90 min | 1-2 h |
Participantsdifferent | 3-12 | 3-10 | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | RAPID Role Map, Recommendation, Decision Log | Architecture Canvas, Goals, Constraints, Quality Attributes | RACI Matrix, Responsibility Map, Decision Notes | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | DecisionRolesGovernance | CanvasArchitectureAlignmentWorkshop | RolesResponsibilityGovernanceOperations | AlignmentArchitectureCanvas |