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| Criterion |  Architecture C4 Model |  Product Discovery Concierge MVP |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Risk Storming |
|---|---|---|---|---|
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. | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. | 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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. |
Complexitydifferent | Low | Medium | High | Low |
Timedifferent | 1-4 h | 1-4 Wochen | Several meetings plus preparation and analysis; total effort depends on scope | 60-90 min |
Participantsdifferent | 1-5 | 3-10 Kunden | Evaluation team, architects, and relevant stakeholders | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Concierge Learnings, Service Blueprint, MVP Risks | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | ArchitectureCommunicationVisualization | MVPValidationServiceDiscovery | ArchitectureQualityRiskTradeoffsStakeholders | RiskArchitectureWorkshopValidation |