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Selected:Future Reality TreeArchitecture Communication CanvasSAAM (Software Architecture Analysis Method)C4 Model
| Criterion |  Systems Thinking Future Reality Tree |  Architecture Architecture Communication Canvas |  Architecture SAAM (Software Architecture Analysis Method) |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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 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 | High | Medium | High | Low |
Timedifferent | 2-4 h | 60-120 min | Preparation, scenario analysis, and findings review; effort depends on scope | 1-4 h |
Participantsdifferent | 3-8 | 2-8 | Architecture experts and stakeholders for scenarios and weighting | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | 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 | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | Theory of ConstraintsSystems thinkingChange | ArchitectureCommunicationStakeholdersCanvas | ArchitectureChangeAnalysisComparisonQuality | ArchitectureCommunicationVisualization |