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| Criterion |  DevOps Incident Timeline Analysis |  Operations ALPEN Method |  Operations Causal Factor Analysis |  Operations 5 Whys |
|---|---|---|---|---|
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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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 a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 60-180 min | 10-20 min daily | 2-6 h | 15-30 min |
Participantsdifferent | 3-10 | 1 | 3-10 | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Daily Plan, Time Estimates, Review Notes | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Root cause notes, Countermeasures |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | PlanningTime managementProductivityOperations | CausalityIncidentRoot causeTimeline | Root causeIncidentLeanProblem solving |