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Selected:Risk StormingCausal Factor AnalysisIncident Timeline AnalysisATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Architecture Risk Storming |  Operations Causal Factor Analysis |  DevOps Incident Timeline Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | 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 | Low | High | Medium | High |
Timedifferent | 60-90 min | 2-6 h | 60-180 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 4-12 | 3-10 | 3-10 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Annotated Diagram, Prioritized Risk List, Action Backlog | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | 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 | RiskArchitectureWorkshopValidation | CausalityIncidentRoot causeTimeline | IncidentTimelineSite Reliability Engineering | ArchitectureQualityRiskTradeoffsStakeholders |