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Selected:ATAM (Architecture Tradeoff Analysis Method)Risk StormingAssumption SurfacingArchitecture Communication Canvas
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Risk Storming |  Decision Making Assumption Surfacing |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
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. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 | High | Low | Low | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 60-90 min | 45-90 min | 60-120 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 4-12 | 2-8 | 2-8 |
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 | Annotated Diagram, Prioritized Risk List, Action Backlog | Assumption List, Critical Assumptions, Learning Plan | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | RiskArchitectureWorkshopValidation | AssumptionsRiskDecisionDiscovery | ArchitectureCommunicationStakeholdersCanvas |