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Selected:Views and BeyondATAM (Architecture Tradeoff Analysis Method)Root Cause AnalysisLASR (Lightweight Approach for Software Reviews)
| Criterion |  Architecture Views and Beyond |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Root Cause Analysis |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|---|
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. | 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 keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 1-3 Tage | Several meetings plus preparation and analysis; total effort depends on scope | 1-4 h | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | 1-4 | Evaluation team, architects, and relevant stakeholders | 3-8 | 1 or a small team; particularly suitable for 3–4 people |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Architecture Views, Cross-view Notes, Rationale | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks |
Tagsno overlap | DocumentationStakeholdersArchitecture | ArchitectureQualityRiskTradeoffsStakeholders | Root causeProblem solvingQualityIncident | ArchitectureQualityRiskAssessmentLean |