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| Criterion |  Product Strategy DIBB |  Architecture C4 Model |  Architecture Request for Comments |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 1-2 h | 1-4 h | 1-3 Wochen vom Draft bis zur Entscheidung | 45-90 min |
Participantsdifferent | 2-8 | 1-5 | 3-20 Reviewer | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | DIBB document, Belief list, Bet list, Learning report | Context Diagram, Container Diagram, Component Diagram | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | StrategyDecisionAssumptionsHypothesis | ArchitectureCommunicationVisualization | ArchitectureDecisionAsyncGovernance | AssumptionsRiskDecisionDiscovery |