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| Criterion |  Operations DMAIC |  Architecture Architecture Decision Record |  Knowledge Modeling IBIS |  Architecture Request for Comments |
|---|---|---|---|---|
Purposedifferent | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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. |
Complexitydifferent | High | Low | Medium | Medium |
Timedifferent | 2-12 Wochen | 15-45 min | 1-3 h | 1-3 Wochen vom Draft bis zur Entscheidung |
Participantsdifferent | 3-10 | 1-3 | 2-8 | 3-20 Reviewer |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | ADR File, Decision Log, Rationale | Issue Map, Positions, Argument Notes | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets |
Tagsno overlap | Continuous improvementQualityProcess improvement | ArchitectureRationaleDocumentationGovernance | RationaleKnowledgeDecision | ArchitectureDecisionAsyncGovernance |