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| Criterion |  Architecture C4 Model |  Delivery Communication Plan |  Growth Funnel Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
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 many people need to be informed in parallel and messages would otherwise arrive unevenly or too late, a Communication Plan orders communication reliably. Channels, audiences, and cadences interlock so important information doesn't get lost. | When many visitors or users drop off along the way, the reason behind the number often stays hidden. Funnel Analysis exposes these transitions and makes visible exactly where the path collapses. | 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. |
Complexitydifferent | Low | Low | Medium | High |
Timedifferent | 1-4 h | 45-90 min | 1-3 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 1-5 | 2-6 | 1-5 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Communication Plan, Channel Matrix, Message Cadence | Funnel report, Drop-off analysis, Optimization hypotheses | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | ArchitectureCommunicationVisualization | CommunicationStakeholdersDeliveryPlanning | AnalyticsConversionGrowth | ArchitectureQualityRiskTradeoffsStakeholders |