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Selected:Iceberg ModelATAM (Architecture Tradeoff Analysis Method)Views and BeyondFailure Mode and Effects Analysis
| Criterion |  Systems Thinking Iceberg Model |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Views and Beyond |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring. | 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. | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | 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. |
Complexitydifferent | Low | High | Medium | High |
Timedifferent | 30-60 min | Several meetings plus preparation and analysis; total effort depends on scope | 1-3 Tage | 2-6 h |
Participantsdifferent | 2-10 | Evaluation team, architects, and relevant stakeholders | 1-4 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Iceberg Worksheet, Pattern Notes, Intervention Ideas | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Architecture Views, Cross-view Notes, Rationale | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | Systems thinkingRoot causePatterns | ArchitectureQualityRiskTradeoffsStakeholders | DocumentationStakeholdersArchitecture | RiskQualityOperationsRoot cause |