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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Innovation Design Thinking |  Architecture C4 Model |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | 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. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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. | 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 | High | High | Low | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 1 Tag bis mehrere Wochen | 1-4 h | 1-2 Tage |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 4-10 | 1-5 | 1-4 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Problem Statement, Prototype, Test Learnings | Context Diagram, Container Diagram, Component Diagram | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | InnovationPrototypeResearch | ArchitectureCommunicationVisualization | ArchitectureDocumentationCommunication |