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| Criterion |  Decision Making Decision Matrix |  Architecture Architecture Communication Canvas |  Architecture arc42 |  Decision Making Trade-off Analysis |
|---|---|---|---|---|
Purposedifferent | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 45-90 min | 60-120 min | 1-2 Tage | 45-120 min |
Participantsdifferent | 2-8 | 2-8 | 1-4 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Decision Matrix, Scoring Rationale, Selected Option | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Architecture Document, Context View, Runtime View, Deployment View | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides |
Tagsno overlap | DecisionCriteriaScoringTradeoffs | ArchitectureCommunicationStakeholdersCanvas | ArchitectureDocumentationCommunication | TradeoffsDecisionCriteriaOptions |