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Selected:Failure Scenario AnalysisATAM (Architecture Tradeoff Analysis Method)LASR (Lightweight Approach for Software Reviews)RAID Log
| Criterion |  Engineering Failure Scenario Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture LASR (Lightweight Approach for Software Reviews) |  Delivery RAID Log |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | 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. | 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. | 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. |
Complexitydifferent | Medium | High | Medium | Low |
Timedifferent | 1-3 h | Several meetings plus preparation and analysis; total effort depends on scope | 3–4 h for initial assessment; preparation and deeper analysis additional | 30 min Setup, dann laufend |
Participantsdifferent | 3-8 | Evaluation team, architects, and relevant stakeholders | 1 or a small team; particularly suitable for 3–4 people | 1-3 maintaining, briefing for everyone |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | 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 | RAID Log, Status Report Source |
Tags1 shared | FailureResilienceRisk | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureQualityRiskAssessmentLean | RiskTrackingStakeholdersGovernance |