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Selected:ATAM (Architecture Tradeoff Analysis Method)Fishbone DiagramViews and BeyondFailure Mode and Effects Analysis
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Fishbone Diagram |  Architecture Views and Beyond |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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 | High | Low | Medium | High |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min | 1-3 Tage | 2-6 h |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 2-8 | 1-4 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Fishbone Diagram, Cause Categories, Investigation Backlog | Architecture Views, Cross-view Notes, Rationale | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | Root causeQualityOperations | DocumentationStakeholdersArchitecture | RiskQualityOperationsRoot cause |