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| Criterion |  Decision Making Eisenhower Matrix |  Architecture C4 Model |  Operations A3 Problem Solving |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | It separates true priorities from noise so it becomes clear what should be done now, scheduled, delegated, or dropped. | 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. | 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. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 15-30 min | 1-4 h | 45-90 min | 1-2 Tage |
Participantsdifferent | 1-6 | 1-5 | 2-5 | 1-4 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Eisenhower Matrix, Action List, Delegation Notes | Context Diagram, Container Diagram, Component Diagram | A3 Report, Action Plan, Root Cause Analysis | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | PrioritizationFocusTasks | ArchitectureCommunicationVisualization | LeanProblem solvingCoachingOperations | ArchitectureDocumentationCommunication |