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| Criterion |  Operations Failure Mode and Effects Analysis |  Architecture Views and Beyond |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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 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 | High | Medium | Low |
Timedifferent | 2-6 h | 1-3 Tage | 15-30 min |
Participantsdifferent | 3-10 | 1-4 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Architecture Views, Cross-view Notes, Rationale | Root cause notes, Countermeasures |
Tagsno overlap | RiskQualityOperationsRoot cause | DocumentationStakeholdersArchitecture | Root causeIncidentLeanProblem solving |
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