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| Criterion |  Operations Kepner-Tregoe |  Architecture arc42 |  Architecture Views and Beyond |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | Views and Beyond organizes architecture into several views so no single diagram has to do everything at once. This makes it possible to choose the representation that fits the stakeholder's question. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | High | Low | Medium | Medium |
Timedifferent | 2-8 h | 1-2 Tage | 1-3 Tage | 45-90 min |
Participantsdifferent | 2-8 | 1-4 | 1-4 | 2-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Analysis, Decision Analysis, Risk Plan | Architecture Document, Context View, Runtime View, Deployment View | Architecture Views, Cross-view Notes, Rationale | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | Problem solvingRoot causeDecisionOperations | ArchitectureDocumentationCommunication | DocumentationStakeholdersArchitecture | LeanProblem solvingCoachingOperations |