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| Criterion |  Innovation Double Diamond |  Architecture Request for Comments |  Operations RACI Matrix |  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 RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | 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. | 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 | Wochen bis Monate | 1-3 Wochen vom Draft bis zur Entscheidung | 45-90 min | 30-60 min |
Participantsdifferent | 3-12 | 3-20 Reviewer | 2-8 | 2-10 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | RACI Matrix, Responsibility Map, Decision Notes | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ProcessDivergenceInnovation | ArchitectureDecisionAsyncGovernance | RolesResponsibilityGovernanceOperations | DecisionRolesGovernanceAlignment |