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| Criterion |  DevOps Incident Timeline Analysis |  Architecture Request for Comments |  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. | 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. | 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 | Medium | High |
Timedifferent | 60-180 min | 1-3 Wochen vom Draft bis zur Entscheidung | 2-6 h |
Participantsdifferent | 3-10 | 3-20 Reviewer | 3-10 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | ArchitectureDecisionAsyncGovernance | CausalityIncidentRoot causeTimeline |
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