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| Criterion |  DevOps Blameless Postmortem |  Operations Time Blocking |  DevOps Incident Timeline Analysis |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | 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. | With a calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | 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. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 30-90 min | 15-30 min Planung, laufend | 60-180 min | 10-20 min daily |
Participantsdifferent | 3-12 | 1 | 3-10 | 1 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Blocked Calendar, Capacity View, Focus Plan | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | PlanningTime managementFocus | IncidentTimelineSite Reliability Engineering | PlanningTime managementProductivityOperations |