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Selected:C4 ModelATAM (Architecture Tradeoff Analysis Method)Power Interest GridArchitecture Communication Canvas
| Criterion |  Architecture C4 Model |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Facilitation Power Interest Grid |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
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. | 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. | When many stakeholders compete for attention at once, the Power Interest Grid sorts them by influence and stake. It turns individual contributions into a visible selection. The result is captured as a Power Interest Grid and a stakeholder-specific strategy. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | 1-4 h | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min | 60-120 min |
Participantsdifferent | 1-5 | Evaluation team, architects, and relevant stakeholders | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | 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 | Power Interest Grid, Strategy per Stakeholder | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ArchitectureCommunicationVisualization | ArchitectureQualityRiskTradeoffsStakeholders | StakeholdersFacilitationAlignmentPlanning | ArchitectureCommunicationStakeholdersCanvas |