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| Criterion |  Business Strategy Porter Five Forces |  Decision Making Delphi Method |  Architecture Request for Comments |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | Porter Five Forces analyzes the forces that shape competitive pressure and profitability in a market. The view of market structure goes beyond individual competitors and reveals systemic pressure points. | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. | 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. |
Complexitydifferent | Medium | High | Medium | Low |
Timedifferent | 1-3 h | 1-4 Wochen | 1-3 Wochen vom Draft bis zur Entscheidung | 30-60 min |
Participantsdifferent | 2-8 | 6-30 Experten | 3-20 Reviewer | 2-10 |
Formatdifferent | Workshop + async | Async | Async | Workshop + async |
Outputdifferent | Five Forces Analysis, Competitive Risks, Strategic Options | Expert Forecast, Consensus Range, Assumption Notes | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | StrategyCompetitionMarket | ForecastingExpertsDecisionStrategy | ArchitectureDecisionAsyncGovernance | DecisionRolesGovernanceAlignment |