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| Criterion |  Architecture Request for Comments |  Product Discovery Outcome-Driven Innovation |  Architecture arc42 |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | Outcome-Driven Innovation clarifies customer problems, solution opportunities, and evidence. It separates jobs, desired outcomes, importance, satisfaction, and opportunity, and captures results as desired outcome statements, an opportunity landscape, and segments by underserved needs. | 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. | 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. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | Mehrere Wochen | 1-2 Tage | 15-45 min |
Participantsdifferent | 3-20 Reviewer | 2-6 researchers plus sample | 1-4 | 1-3 |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Desired outcome statements, Opportunity landscape, Segmentation by underserved needs, Innovation hypotheses | Architecture Document, Context View, Runtime View, Deployment View | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | OutcomesInnovationResearchQuantitative | ArchitectureDocumentationCommunication | ArchitectureRationaleDocumentationGovernance |