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Selected:ABC AnalysisAssumption SurfacingATAM (Architecture Tradeoff Analysis Method)Architecture Communication Canvas
| Criterion |  Operations ABC Analysis |  Decision Making Assumption Surfacing |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Low | Low | High | Medium |
Timedifferent | 30-60 min | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 60-120 min |
Participantsdifferent | 1-5 | 2-8 | Evaluation team, architects, and relevant stakeholders | 2-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | ABC Classification, Focus Rules, Control List | Assumption List, Critical Assumptions, Learning Plan | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | PrioritizationOperationsPortfolio | AssumptionsRiskDecisionDiscovery | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureCommunicationStakeholdersCanvas |