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| Criterion |  Decision Making Delphi Method |  Architecture arc42 |  Facilitation Stakeholder Salience Model |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | 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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | When stakeholders appear to matter very differently, the Stakeholder Salience Model rates their actual priority through power, legitimacy, and urgency. It turns individual contributions into a visible selection. The result is captured as a Salience diagram and a class-based strategy. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. |
Complexitydifferent | High | Low | Medium | Low |
Timedifferent | 1-4 Wochen | 1-2 Tage | 60-90 min | 15-45 min |
Participantsdifferent | 6-30 Experten | 1-4 | 3-6 | 1-3 |
Formatdifferent | Async | Workshop + async | Workshop | Async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Architecture Document, Context View, Runtime View, Deployment View | Salience Diagram, Strategy per Class | ADR File, Decision Log, Rationale |
Tagsno overlap | ForecastingExpertsDecisionStrategy | ArchitectureDocumentationCommunication | StakeholdersFacilitationAlignmentGovernance | ArchitectureRationaleDocumentationGovernance |