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Selected:ATAM (Architecture Tradeoff Analysis Method)TOWS MatrixSAAM (Software Architecture Analysis Method)Option Framing
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Business Strategy TOWS Matrix |  Architecture SAAM (Software Architecture Analysis Method) |  Decision Making Option Framing |
|---|---|---|---|---|
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. | The TOWS Matrix connects internal strengths and weaknesses with external opportunities and threats into action-oriented strategies. It goes a step further than a pure stocktaking. | 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. | In early decisions, alternatives are often still vague, incomplete, or blended together. Option Framing brings every possibility into a comparable form and makes visible which variant actually fits the question. |
Complexitydifferent | High | Medium | High | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 1-2 h | Preparation, scenario analysis, and findings review; effort depends on scope | 45-120 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 3-10 | Architecture experts and stakeholders for scenarios and weighting | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | TOWS Matrix, Strategic Options, Priority Actions | 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 | Option Frames, Assumption Notes, Comparable Shortlist, Decision Inputs |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | StrategyAnalysisOptions | ArchitectureChangeAnalysisComparisonQuality | OptionsDecision framingStrategyComparison |