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| Criterion |  Delivery Value Stream Mapping |  Architecture C4 Model |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | When delivery work dissolves into wait times, handoffs, and hidden effort, Value Stream Mapping makes the actual flow visible. The method exposes bottlenecks, idle time, and feedback loops so lead time and improvement levers become tangible. | 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. | 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. | 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 | Medium | Low | High | Low |
Timedifferent | 1-3 h | 1-4 h | Several meetings plus preparation and analysis; total effort depends on scope | 1-2 Tage |
Participantsdifferent | 4-10 | 1-5 | Evaluation team, architects, and relevant stakeholders | 1-4 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Current-state map, Future-state map, Bottleneck list | Context Diagram, Container Diagram, Component Diagram | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | LeanFlowWasteDelivery | ArchitectureCommunicationVisualization | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureDocumentationCommunication |