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| Criterion |  Decision Making Trade-off Analysis |  Decision Making Argument Mapping |  Architecture arc42 |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. | When statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 45-120 min | 1-3 h | 1-2 Tage | 1-4 h |
Participantsdifferent | 2-8 | 1-8 | 1-4 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | Argument Map, Evidence Gaps, Decision Rationale | Architecture Document, Context View, Runtime View, Deployment View | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | TradeoffsDecisionCriteriaOptions | SensemakingDecisionRationale | ArchitectureDocumentationCommunication | ArchitectureCommunicationVisualization |