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| Criterion |  Innovation Double Diamond |  Architecture Architecture Decision Record |  Architecture Architecture Inception Canvas |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. | 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 | Low | Low | Low |
Timedifferent | Wochen bis Monate | 15-45 min | 1-2 h | 30-60 min |
Participantsdifferent | 3-12 | 1-3 | 3-8 | 2-10 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | ADR File, Decision Log, Rationale | Inception Canvas, Risks, Goal List, Open Questions | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ProcessDivergenceInnovation | ArchitectureRationaleDocumentationGovernance | AlignmentArchitectureCanvas | DecisionRolesGovernanceAlignment |