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Selected:Fishbone DiagramATAM (Architecture Tradeoff Analysis Method)Fault Tree AnalysisArchitecture Communication Canvas
| Criterion |  Operations Fishbone Diagram |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Fault Tree Analysis |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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 | High | High | Medium |
Timedifferent | 30-60 min | Several meetings plus preparation and analysis; total effort depends on scope | 2-6 h | 60-120 min |
Participantsdifferent | 2-8 | Evaluation team, architects, and relevant stakeholders | 3-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | Root causeQualityOperations | ArchitectureQualityRiskTradeoffsStakeholders | RiskRoot causeSafety | ArchitectureCommunicationStakeholdersCanvas |