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Selected:ATAM (Architecture Tradeoff Analysis Method)Competency QuestionsArchitecture Inception CanvasSoftware Architecture Canvas
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Knowledge Modeling Competency Questions |  Architecture Architecture Inception Canvas |  Architecture Software Architecture Canvas |
|---|---|---|---|---|
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. | Competency Questions translate a domain model into concrete questions that it must be able to answer. The method keeps the model's scope clean and prevents pretty but useless structures. | 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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. |
Complexitydifferent | High | Medium | Low | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 2-4 h | 1-2 h | 1-2 h |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 2-8 | 3-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | 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 | Competency Question Set, Required Concepts, Test Queries, Coverage Matrix | Inception Canvas, Risks, Goal List, Open Questions | Architecture Canvas, Goals, Constraints, Quality Attributes |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | OntologyKnowledge graphScopeRequirementsSemantic | AlignmentArchitectureCanvas | CanvasArchitectureAlignmentWorkshop |