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Selected:Failure Scenario AnalysisATAM (Architecture Tradeoff Analysis Method)Failure Mode and Effects AnalysisArchitecture Communication Canvas
| Criterion |  Engineering Failure Scenario Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Failure Mode and Effects Analysis |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | 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 process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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 | Medium | High | High | Medium |
Timedifferent | 1-3 h | Several meetings plus preparation and analysis; total effort depends on scope | 2-6 h | 60-120 min |
Participantsdifferent | 3-8 | Evaluation team, architects, and relevant stakeholders | 3-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | FMEA Table, Risk Priority, Mitigation Actions | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | FailureResilienceRisk | ArchitectureQualityRiskTradeoffsStakeholders | RiskQualityOperationsRoot cause | ArchitectureCommunicationStakeholdersCanvas |