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| Criterion |  Architecture Request for Comments |  Product Strategy RICE Scoring |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Strategy ICE Scoring |
|---|---|---|---|---|
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 many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | 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. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 60-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min |
Participantsdifferent | 3-20 Reviewer | 2-10 | Evaluation team, architects, and relevant stakeholders | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | RICE Scores, Ranked List, Assumption Log | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | ICE Table, Top Idea List |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | PrioritizationScoringRoadmapTradeoffs | ArchitectureQualityRiskTradeoffsStakeholders | PrioritizationScoringGrowthDecision |