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Selected:A3 Problem SolvingSAAM (Software Architecture Analysis Method)ALPEN MethodATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Operations A3 Problem Solving |  Architecture SAAM (Software Architecture Analysis Method) |  Operations ALPEN Method |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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 | Low | High |
Timedifferent | 45-90 min | Preparation, scenario analysis, and findings review; effort depends on scope | 10-20 min daily | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 2-5 | Architecture experts and stakeholders for scenarios and weighting | 1 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | 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 | Daily Plan, Time Estimates, Review Notes | 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 | LeanProblem solvingCoachingOperations | ArchitectureChangeAnalysisComparisonQuality | PlanningTime managementProductivityOperations | ArchitectureQualityRiskTradeoffsStakeholders |