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Selected:SAAM (Software Architecture Analysis Method)Request for CommentsRAID LogATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Architecture SAAM (Software Architecture Analysis Method) |  Architecture Request for Comments |  Delivery RAID Log |  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. | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | 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 | Low | High |
Timedifferent | Preparation, scenario analysis, and findings review; effort depends on scope | 1-3 Wochen vom Draft bis zur Entscheidung | 30 min Setup, dann laufend | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | Architecture experts and stakeholders for scenarios and weighting | 3-20 Reviewer | 1-3 maintaining, briefing for everyone | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Async | 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 | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | RAID Log, Status Report Source | 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 | ArchitectureDecisionAsyncGovernance | RiskTrackingStakeholdersGovernance | ArchitectureQualityRiskTradeoffsStakeholders |