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| Criterion |  Architecture Request for Comments |  Delivery Cost of Delay |  Delivery RAID Log |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | 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. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | 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. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 90-180 min | 30 min Setup, dann laufend | 15-45 min |
Participantsdifferent | 3-20 Reviewer | 3-8 | 1-3 maintaining, briefing for everyone | 1-3 |
Formatdifferent | Async | Workshop | Async | Async |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | CoD Table, Prioritization Sequence | RAID Log, Status Report Source | ADR File, Decision Log, Rationale |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | PrioritizationDeliveryEconomicsDecision | RiskTrackingStakeholdersGovernance | ArchitectureRationaleDocumentationGovernance |