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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Delphi Method |  Architecture Views and Beyond |  Facilitation Alignment Mapping |
|---|---|---|---|---|
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 knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | 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 | Several meetings plus preparation and analysis; total effort depends on scope | 1-4 Wochen | 1-3 Tage | 1-2 h |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 6-30 Experten | 1-4 | 4-12 |
Formatdifferent | Workshop + async | Async | 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 | Expert Forecast, Consensus Range, Assumption Notes | Architecture Views, Cross-view Notes, Rationale | Alignment Map, Open Issues, Decision Questions |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | ForecastingExpertsDecisionStrategy | DocumentationStakeholdersArchitecture | AlignmentStakeholdersStrategyFacilitation |