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| Criterion |  Operations A3 Problem Solving |  Architecture arc42 |  Domain Modeling Bounded Context Canvas |  Architecture C4 Model |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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. | When a business context is still loosely outlined, it shapes language, responsibility, and integration space. It clarifies what belongs together and where a boundary needs to hold. | 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 | Low | Medium | Low |
Timedifferent | 45-90 min | 1-2 Tage | 1-3 h | 1-4 h |
Participantsdifferent | 2-5 | 1-4 | 3-8 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Architecture Document, Context View, Runtime View, Deployment View | Context Canvas, Glossary, Integration Notes | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | LeanProblem solvingCoachingOperations | ArchitectureDocumentationCommunication | Domain-Driven DesignBoundariesModeling | ArchitectureCommunicationVisualization |