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| Criterion |  Architecture arc42 |  Decision Making DACI |  Architecture Architecture Communication Canvas |  Architecture Architecture Inception Canvas |
|---|---|---|---|---|
Purposedifferent | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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 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 | Low | Low | Medium | Low |
Timedifferent | 1-2 Tage | 30-60 min | 60-120 min | 1-2 h |
Participantsdifferent | 1-4 | 2-10 | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Architecture Document, Context View, Runtime View, Deployment View | DACI Matrix, Decision Owner, Decision Log | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | ArchitectureDocumentationCommunication | DecisionRolesGovernanceAlignment | ArchitectureCommunicationStakeholdersCanvas | AlignmentArchitectureCanvas |