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| Criterion |  Architecture Request for Comments |  Agile Planning Poker |  Decision Making DACI |  Agile Affinity Estimation |
|---|---|---|---|---|
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. | When estimates within the team diverge too much, it puts differing expectations on a common test bench. It separates rough complexity from unspoken assumptions. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | When many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 2-5 min je Item | 30-60 min | 30-90 min |
Participantsdifferent | 3-20 Reviewer | 3-9 | 2-10 | 3-12 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Relative Estimates, Assumption Notes, Split Candidates | DACI Matrix, Decision Owner, Decision Log | Affinity Size Map, Grouped Estimates, Unclear Items |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | EstimationAgileRelative sizingTeam | DecisionRolesGovernanceAlignment | EstimationBacklogRelative sizing |