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| Criterion |  UX Design Service Blueprinting |  Architecture Request for Comments |  Decision Making Decision Rights Mapping |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | When a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | 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. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. | 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 | High | Medium | Medium | Low |
Timedifferent | 0.5-2 Tage | 1-3 Wochen vom Draft bis zur Entscheidung | 90-180 min | 30-60 min |
Participantsdifferent | 6-12 | 3-20 Reviewer | 4-12 | 2-10 |
Formatdifferent | Workshop | Async | Workshop | Workshop + async |
Outputdifferent | Service Blueprint, Fail Points, Ownership Map | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Decision Rights Matrix, Agreement | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | Service designOperationsJourneyBlueprint | ArchitectureDecisionAsyncGovernance | DecisionGovernanceAlignmentResponsibility | DecisionRolesGovernanceAlignment |