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Selected:VUCA ScanSAAM (Software Architecture Analysis Method)Failure Mode and Effects AnalysisATAM (Architecture Tradeoff Analysis Method)
| Criterion | ![]() Systems Thinking VUCA Scan | ![]() Architecture SAAM (Software Architecture Analysis Method) | ![]() Operations Failure Mode and Effects Analysis | ![]() Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | The VUCA Scan helps read difficult situations more precisely. Instead of treating unclarity as generally complicated, the method separates fast change, missing knowledge, systemic entanglement, and ambiguous interpretation. | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. | 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. | 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 | Low | High | High | High |
Timedifferent | 30-90 min | Preparation, scenario analysis, and findings review; effort depends on scope | 2-6 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 1-10 | Architecture experts and stakeholders for scenarios and weighting | 3-10 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | VUCA Map, Response Options, Signal and Learning Plan | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives | FMEA Table, Risk Priority, Mitigation Actions | 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 | SensemakingUncertaintyComplexityStrategyForesight | ArchitectureChangeAnalysisComparisonQuality | RiskQualityOperationsRoot cause | ArchitectureQualityRiskTradeoffsStakeholders |



