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Criterion
Paper illustration with architecture components and concrete change tasks for comparison.
Architecture
SAAM (Software Architecture Analysis Method)
Paper illustration of a calibrated five-by-five risk matrix with response cards.
Decision Making
Risk Matrix
Paper illustration for Pareto Analysis
Decision Making
Pareto Analysis
Paper illustration: scenarios and architectural decisions are connected to identified risks.
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.When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List.In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle.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
HighLowLowHigh
Timedifferent
Preparation, scenario analysis, and findings review; effort depends on scope30-60 min30-60 minSeveral meetings plus preparation and analysis; total effort depends on scope
Participantsdifferent
Architecture experts and stakeholders for scenarios and weighting3-101-6Evaluation team, architects, and relevant stakeholders
Formatsame
Workshop + asyncWorkshop + asyncWorkshop + asyncWorkshop + 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 alternativesRisk Matrix, Top Risk ListPareto Chart, Top Causes, Focus ListPrioritized 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
RiskDecisionPrioritizationAssessment
PrioritizationQualityFocusRoot cause
ArchitectureQualityRiskTradeoffsStakeholders
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