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Selected:After-Action ReviewFailure Mode and Effects AnalysisArchitecture Communication CanvasATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Operations After-Action Review |  Operations Failure Mode and Effects Analysis |  Architecture Architecture Communication Canvas |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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. | 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 | Low | High | Medium | High |
Timedifferent | 20-45 min | 2-6 h | 60-120 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 3-12 | 3-10 | 2-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Lessons learned, Action items, Event summary | FMEA Table, Risk Priority, Mitigation Actions | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | 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 | LearningOperationsImprovement | RiskQualityOperationsRoot cause | ArchitectureCommunicationStakeholdersCanvas | ArchitectureQualityRiskTradeoffsStakeholders |