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Selected:Views and BeyondKepner-TregoeRoot Cause AnalysisATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Architecture Views and Beyond |  Operations Kepner-Tregoe |  Operations Root Cause Analysis |  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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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 | Medium | High |
Timedifferent | 1-3 Tage | 2-8 h | 1-4 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 1-4 | 2-8 | 3-8 | Evaluation team, architects, and relevant stakeholders |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Architecture Views, Cross-view Notes, Rationale | Problem Analysis, Decision Analysis, Risk Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action 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 | DocumentationStakeholdersArchitecture | Problem solvingRoot causeDecisionOperations | Root causeProblem solvingQualityIncident | ArchitectureQualityRiskTradeoffsStakeholders |