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| Criterion |  Operations A3 Problem Solving |  Architecture Views and Beyond |  Architecture C4 Model |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | 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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 45-90 min | 1-3 Tage | 1-4 h | 15-45 min |
Participantsdifferent | 2-5 | 1-4 | 1-5 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Architecture Views, Cross-view Notes, Rationale | Context Diagram, Container Diagram, Component Diagram | ADR File, Decision Log, Rationale |
Tagsno overlap | LeanProblem solvingCoachingOperations | DocumentationStakeholdersArchitecture | ArchitectureCommunicationVisualization | ArchitectureRationaleDocumentationGovernance |