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| Criterion |  Operations PDCA Cycle |  Architecture C4 Model |  Architecture Software Architecture Canvas |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | 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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 1 h bis mehrere Wochen | 1-4 h | 1-2 h | 1-2 Tage |
Participantsdifferent | 1-8 | 1-5 | 3-10 | 1-4 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Context Diagram, Container Diagram, Component Diagram | Architecture Canvas, Goals, Constraints, Quality Attributes | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | Continuous improvementLeanExperiments | ArchitectureCommunicationVisualization | CanvasArchitectureAlignmentWorkshop | ArchitectureDocumentationCommunication |