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| Criterion |  Architecture Request for Comments |  Product Strategy ICE Scoring |  Architecture Architecture Decision Record |  Delivery Cost of Delay |
|---|---|---|---|---|
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 ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. | 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. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. |
Complexitydifferent | Medium | Low | Low | High |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 30-60 min | 15-45 min | 90-180 min |
Participantsdifferent | 3-20 Reviewer | 2-8 | 1-3 | 3-8 |
Formatdifferent | Async | Workshop + async | Async | Workshop |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | ICE Table, Top Idea List | ADR File, Decision Log, Rationale | CoD Table, Prioritization Sequence |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | PrioritizationScoringGrowthDecision | ArchitectureRationaleDocumentationGovernance | PrioritizationDeliveryEconomicsDecision |