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| Criterion |  Operations ALPEN Method |  Architecture Request for Comments |  Operations Kepner-Tregoe |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | 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 a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. |
Complexitydifferent | Low | Medium | High | High |
Timedifferent | 10-20 min daily | 1-3 Wochen vom Draft bis zur Entscheidung | 2-8 h | 1-6 Wochen |
Participantsdifferent | 1 | 3-20 Reviewer | 2-8 | 4-10 |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | Daily Plan, Time Estimates, Review Notes | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Problem Analysis, Decision Analysis, Risk Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | PlanningTime managementProductivityOperations | ArchitectureDecisionAsyncGovernance | Problem solvingRoot causeDecisionOperations | QualityProblem solvingRoot cause |