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Selected:Architecture Decision RecordATAM (Architecture Tradeoff Analysis Method)Expectation MappingStakeholder Salience Model
| Criterion |  Architecture Architecture Decision Record |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Facilitation Expectation Mapping |  Facilitation Stakeholder Salience Model |
|---|---|---|---|---|
Purposedifferent | 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. | 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 roles, interfaces, or projects fail because of differing expectations, Expectation Mapping surfaces these differences. It shows what each side takes for granted and where the pictures diverge. | 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. |
Complexitydifferent | Low | High | Low | Medium |
Timedifferent | 15-45 min | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min | 60-90 min |
Participantsdifferent | 1-3 | Evaluation team, architects, and relevant stakeholders | 3-12 | 3-6 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop |
Outputdifferent | ADR File, Decision Log, Rationale | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Expectation Map, Alignment Notes, Agreements | Salience Diagram, Strategy per Class |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | ArchitectureQualityRiskTradeoffsStakeholders | AlignmentStakeholdersTeam | StakeholdersFacilitationAlignmentGovernance |