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Selected:Architecture Inception CanvasExpectation MappingATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Architecture Architecture Inception Canvas |  Facilitation Expectation Mapping |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|
Purposedifferent | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. | 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. | 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. |
Complexitydifferent | Low | Low | High |
Timedifferent | 1-2 h | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 3-8 | 3-12 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Inception Canvas, Risks, Goal List, Open Questions | Expectation Map, Alignment Notes, Agreements | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | AlignmentArchitectureCanvas | AlignmentStakeholdersTeam | ArchitectureQualityRiskTradeoffsStakeholders |
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