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| Criterion |  Systems Thinking Leverage Points |  Architecture C4 Model |  Architecture SAAM (Software Architecture Analysis Method) |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | Leverage Points show exactly where interventions in a system produce a disproportionate effect. It draws relationships, patterns, and feedback loops. The result is captured as a leverage map and action strategy. | 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. | 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. | 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. |
Complexitydifferent | High | Low | High | Low |
Timedifferent | Half day | 1-4 h | Preparation, scenario analysis, and findings review; effort depends on scope | 1-2 Tage |
Participantsdifferent | 3-12 | 1-5 | Architecture experts and stakeholders for scenarios and weighting | 1-4 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Leverage Map, Action Strategy | Context Diagram, Container Diagram, Component Diagram | 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 | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | Systems thinkingChangeStrategy | ArchitectureCommunicationVisualization | ArchitectureChangeAnalysisComparisonQuality | ArchitectureDocumentationCommunication |