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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Facilitation Open Space Technology |
|---|---|---|
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. | When a complex topic does not yet have a fitting agenda, Open Space Technology hands topic ownership back to the participants. The format suits questions that only move forward when real interest determines the order. |
Complexitysame | High | High |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 0.5-2 Tage |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 20-500+ |
Formatdifferent | Workshop + async | Workshop |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Session Marketplace, Proceedings, Action Topics |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | FacilitationLarge groupAutonomy |
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