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Selected:C4 ModelViews and BeyondATAM (Architecture Tradeoff Analysis Method)Architecture Decision Record
| Criterion |  Architecture C4 Model |  Architecture Views and Beyond |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | 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 | Low | Medium | High | Low |
Timedifferent | 1-4 h | 1-3 Tage | Several meetings plus preparation and analysis; total effort depends on scope | 15-45 min |
Participantsdifferent | 1-5 | 1-4 | Evaluation team, architects, and relevant stakeholders | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Architecture Views, Cross-view Notes, Rationale | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | ADR File, Decision Log, Rationale |
Tags1 shared | ArchitectureCommunicationVisualization | DocumentationStakeholdersArchitecture | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureRationaleDocumentationGovernance |