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Selected:Architecture Communication CanvasFault Tree AnalysisBarrier AnalysisATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Architecture Architecture Communication Canvas |  Operations Fault Tree Analysis |  Operations Barrier Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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. |
Complexitydifferent | Medium | High | Medium | High |
Timedifferent | 60-120 min | 2-6 h | 2-4 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 2-8 | 3-8 | 2-6 | Evaluation team, architects, and relevant stakeholders |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | ArchitectureCommunicationStakeholdersCanvas | RiskRoot causeSafety | Root causeSafetyIncident | ArchitectureQualityRiskTradeoffsStakeholders |