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Selected:CATWOE AnalysisSAAM (Software Architecture Analysis Method)Architecture Communication CanvasC4 Model
| Criterion |  Systems Thinking CATWOE Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Architecture Architecture Communication Canvas |  Architecture C4 Model |
|---|---|---|---|---|
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. | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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 | High | Medium | Low |
Timedifferent | 45-90 min | Preparation, scenario analysis, and findings review; effort depends on scope | 60-120 min | 1-4 h |
Participantsdifferent | 3-8 | Architecture experts and stakeholders for scenarios and weighting | 2-8 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | Systems thinkingFramingStakeholders | ArchitectureChangeAnalysisComparisonQuality | ArchitectureCommunicationStakeholdersCanvas | ArchitectureCommunicationVisualization |