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Selected:Views and BeyondFailure Mode and Effects Analysis5 WhysATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Architecture Views and Beyond |  Operations Failure Mode and Effects Analysis |  Operations 5 Whys |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 | Medium | High | Low | High |
Timedifferent | 1-3 Tage | 2-6 h | 15-30 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 1-4 | 3-10 | 2-6 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Architecture Views, Cross-view Notes, Rationale | FMEA Table, Risk Priority, Mitigation Actions | Root cause notes, Countermeasures | 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 | DocumentationStakeholdersArchitecture | RiskQualityOperationsRoot cause | Root causeIncidentLeanProblem solving | ArchitectureQualityRiskTradeoffsStakeholders |