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| Criterion |  Architecture C4 Model |  Product Strategy ICE Scoring |  Architecture Request for Comments |  Delivery Cost of Delay |
|---|---|---|---|---|
Purposedifferent | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | 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 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. | 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 | Low | Low | Medium | High |
Timedifferent | 1-4 h | 30-60 min | 1-3 Wochen vom Draft bis zur Entscheidung | 90-180 min |
Participantsdifferent | 1-5 | 2-8 | 3-20 Reviewer | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | ICE Table, Top Idea List | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | CoD Table, Prioritization Sequence |
Tagsno overlap | ArchitectureCommunicationVisualization | PrioritizationScoringGrowthDecision | ArchitectureDecisionAsyncGovernance | PrioritizationDeliveryEconomicsDecision |