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| Criterion |  Product Strategy ICE Scoring |  Architecture Architecture Decision Record |  Architecture Request for Comments |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 30-60 min | 15-45 min | 1-3 Wochen vom Draft bis zur Entscheidung | 1-2 Tage |
Participantsdifferent | 2-8 | 1-3 | 3-20 Reviewer | 1-4 |
Formatdifferent | Workshop + async | Async | Async | Workshop + async |
Outputdifferent | ICE Table, Top Idea List | ADR File, Decision Log, Rationale | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | PrioritizationScoringGrowthDecision | ArchitectureRationaleDocumentationGovernance | ArchitectureDecisionAsyncGovernance | ArchitectureDocumentationCommunication |