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| Criterion |  Systems Thinking CATWOE Analysis |  Architecture arc42 |  Systems Thinking Current Reality Tree |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | CATWOE structures a problem from six viewpoints and prevents too narrow a view of the situation. Different experiences of the system become comparably discussable this way. | 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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 45-90 min | 1-2 Tage | 2-6 h | 60-120 min |
Participantsdifferent | 3-8 | 1-4 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Architecture Document, Context View, Runtime View, Deployment View | Current Reality Tree, Core Problems, Intervention Ideas | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | Systems thinkingFramingStakeholders | ArchitectureDocumentationCommunication | Systems thinkingRoot causeConstraintsCausality | ArchitectureCommunicationStakeholdersCanvas |