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| Criterion |  Architecture Request for Comments |  Innovation Design Sprint |  Architecture Architecture Decision Record |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | 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. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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. | 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 | High | Low | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 4-5 Tage | 15-45 min | 30-60 min |
Participantsdifferent | 3-20 Reviewer | 5-8 | 1-3 | 2-10 |
Formatdifferent | Async | Workshop | Async | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Prototype, Test Findings, Decision Rationale | ADR File, Decision Log, Rationale | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | Design sprintPrototypeValidationInnovation | ArchitectureRationaleDocumentationGovernance | DecisionRolesGovernanceAlignment |