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| Criterion |  Facilitation Open Space Technology |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Facilitation Barcamp |  Facilitation Alignment Mapping |
|---|---|---|---|---|
Purposedifferent | 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. | 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 people can contribute knowledge and the flow should stay open, Barcamp provides a framework for self-organized sessions. The format channels energy without defining the content too narrowly in advance. | When several people work toward one goal but hold different mental maps, Alignment Mapping makes the discrepancies visible. It arranges goals, assumptions, and priorities so shared direction becomes verifiable. |
Complexitydifferent | High | High | Medium | Medium |
Timedifferent | 0.5-2 Tage | Several meetings plus preparation and analysis; total effort depends on scope | Halber Tag bis 2 Tage | 1-2 h |
Participantsdifferent | 20-500+ | Evaluation team, architects, and relevant stakeholders | 15-200 | 4-12 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Session Marketplace, Proceedings, Action Topics | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Session Board, Session Notes, Community Learnings | Alignment Map, Open Issues, Decision Questions |
Tagsno overlap | FacilitationLarge groupAutonomy | ArchitectureQualityRiskTradeoffsStakeholders | FacilitationLarge groupLearning | AlignmentStakeholdersStrategyFacilitation |