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| Criterion |  Operations A3 Problem Solving |  Architecture arc42 |  Architecture Views and Beyond |  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. | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | 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 Tage | 1-4 h |
Participantsdifferent | 2-5 | 1-4 | 1-4 | 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 | Architecture Views, Cross-view Notes, Rationale | Context Diagram, Container Diagram, Component Diagram |
Tagsno overlap | LeanProblem solvingCoachingOperations | ArchitectureDocumentationCommunication | DocumentationStakeholdersArchitecture | ArchitectureCommunicationVisualization |