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Selected:ATAM (Architecture Tradeoff Analysis Method)EventStormingEvent ModelingAssumption Surfacing
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Domain Modeling EventStorming |  Knowledge Modeling Event Modeling |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
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 domain consists of many events, rules, and states, it creates a shared modeling space for the team. It bundles language, flows, and boundaries before domain knowledge fragments into siloed views. | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | 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. |
Complexitydifferent | High | Medium | Medium | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 2-8 h | 2-6 h | 45-90 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 5-12 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Event Model, UI Flow, Commands, Read Models | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | Domain-Driven DesignEventsDiscoveryWorkshop | EventsBlueprintDomain-Driven DesignBehavior | AssumptionsRiskDecisionDiscovery |