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Selected:SAAM (Software Architecture Analysis Method)TOWS MatrixOption FramingATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Architecture SAAM (Software Architecture Analysis Method) |  Business Strategy TOWS Matrix |  Decision Making Option Framing |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. | 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 | High | Medium | Medium | High |
Timedifferent | Preparation, scenario analysis, and findings review; effort depends on scope | 1-2 h | 45-120 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | Architecture experts and stakeholders for scenarios and weighting | 3-10 | 3-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | 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 | TOWS Matrix, Strategic Options, Priority Actions | Option Frames, Assumption Notes, Comparable Shortlist, Decision Inputs | 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 | ArchitectureChangeAnalysisComparisonQuality | StrategyAnalysisOptions | OptionsDecision framingStrategyComparison | ArchitectureQualityRiskTradeoffsStakeholders |