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Selected:ATAM (Architecture Tradeoff Analysis Method)Spotify Model MappingArchitecture Communication CanvasExpectation Mapping
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Team Design Spotify Model Mapping |  Architecture Architecture Communication Canvas |  Facilitation Expectation 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 a team landscape has grown without clear grouping, it maps roles and relationships onto the Spotify model. It clarifies responsibility, interaction, and load between teams. The result is captured as a Spotify model map and action list. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. |
Complexitydifferent | High | Medium | Medium | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 90-180 min | 60-120 min | 45-90 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 5-15 | 2-8 | 3-12 |
Formatdifferent | Workshop + async | Workshop | 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 | Spotify Model Map, Action List | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Expectation Map, Alignment Notes, Agreements |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | TeamOrganizationAlignmentDiagnosis | ArchitectureCommunicationStakeholdersCanvas | AlignmentStakeholdersTeam |