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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 decision table with criteria rows, weighted ratings, and a narrowly leading alternative.
Decision Making
Decision Matrix
Paper illustration of two considered options leading to a decision record with a marked status and visible consequences.
Architecture
Architecture Decision Record
Paper illustration for Trade-off Analysis.
Decision Making
Trade-off Analysis
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 several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic.An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable.With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects.
Complexitydifferent
HighMediumLowMedium
Timedifferent
Preparation, scenario analysis, and findings review; effort depends on scope45-90 min15-45 min45-120 min
Participantsdifferent
Architecture experts and stakeholders for scenarios and weighting2-81-32-8
Formatdifferent
Workshop + asyncWorkshop + asyncAsyncWorkshop + 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 alternativesDecision Matrix, Scoring Rationale, Selected OptionADR File, Decision Log, RationaleTrade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides
Tagsno overlap
ArchitectureChangeAnalysisComparisonQuality
DecisionCriteriaScoringTradeoffs
ArchitectureRationaleDocumentationGovernance
TradeoffsDecisionCriteriaOptions
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