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| Criterion |  Operations Fault Tree Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Business Strategy Strategy Execution Loop |
|---|---|---|---|
Purposedifferent | 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. | 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. | The Strategy Execution Loop helps avoid treating strategy as a one-off document. It makes visible how strategic decisions are turned into objectives, initiatives, operational work, measurement, and learning. |
Complexitysame | High | High | High |
Timedifferent | 2-6 h | Several meetings plus preparation and analysis; total effort depends on scope | Initial 3-6 h, then monthly or quarterly reviews |
Participantsdifferent | 3-8 | Evaluation team, architects, and relevant stakeholders | 5-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Execution Loop, Review Cadence, Strategic Learning Log |
Tagsno overlap | RiskRoot causeSafety | ArchitectureQualityRiskTradeoffsStakeholders | ExecutionCadenceLearningGovernance |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
