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Selected:Incident Timeline Analysis8D Problem SolvingATAM (Architecture Tradeoff Analysis Method)Causal Factor Analysis
| Criterion |  DevOps Incident Timeline Analysis |  Operations 8D Problem Solving |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Causal Factor Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. | 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. |
Complexitydifferent | Medium | High | High | High |
Timedifferent | 60-180 min | 1-6 Wochen | Several meetings plus preparation and analysis; total effort depends on scope | 2-6 h |
Participantsdifferent | 3-10 | 4-10 | Evaluation team, architects, and relevant stakeholders | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | QualityProblem solvingRoot cause | ArchitectureQualityRiskTradeoffsStakeholders | CausalityIncidentRoot causeTimeline |