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Selected:Incident Timeline AnalysisRAID LogATAM (Architecture Tradeoff Analysis Method)Blameless Postmortem
| Criterion |  DevOps Incident Timeline Analysis |  Delivery RAID Log |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  DevOps Blameless Postmortem |
|---|---|---|---|---|
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. | 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. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 60-180 min | 30 min Setup, dann laufend | Several meetings plus preparation and analysis; total effort depends on scope | 30-90 min |
Participantsdifferent | 3-10 | 1-3 maintaining, briefing for everyone | Evaluation team, architects, and relevant stakeholders | 3-12 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | 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 | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | RiskTrackingStakeholdersGovernance | ArchitectureQualityRiskTradeoffsStakeholders | Site Reliability EngineeringIncidentLearningReliability |