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Selected:GAP AnalysisATAM (Architecture Tradeoff Analysis Method)Business Model Stress TestLASR (Lightweight Approach for Software Reviews)
| Criterion |  Business Strategy GAP Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Business Strategy Business Model Stress Test |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|---|
Purposedifferent | GAP Analysis compares the current state with a target picture and makes the distance manageable. It becomes useful when, ahead of new initiatives, it must become clear which capabilities, processes, or resources are missing. | 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. | A Business Model Stress Test checks how well a business model holds up under pressure and headwinds. It compares strengths, risks, market logic, and courses of action. The result is captured as a stress-test report and action plan per scenario. | 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 | High | Medium |
Timedifferent | 1-3 h | Several meetings plus preparation and analysis; total effort depends on scope | Half day | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | 2-8 | Evaluation team, architects, and relevant stakeholders | 3-8 | 1 or a small team; particularly suitable for 3–4 people |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Gap Matrix, Action Plan, Risk Notes | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Stress Test Report, Action Plan per Scenario | 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 | StrategyAnalysisPlanning | ArchitectureQualityRiskTradeoffsStakeholders | StrategyBusiness modelRiskDiagnosis | ArchitectureQualityRiskAssessmentLean |