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| Criterion |  Decision Making Constraint Analysis |  Delivery RAID Log |  Architecture Request for Comments |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
Purposedifferent | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 30-90 min | 30 min Setup, dann laufend | 1-3 Wochen vom Draft bis zur Entscheidung | 60-120 min |
Participantsdifferent | 2-8 | 1-3 maintaining, briefing for everyone | 3-20 Reviewer | 2-8 |
Formatdifferent | Workshop + async | Async | Async | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | RAID Log, Status Report Source | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | ConstraintsDecisionPlanningOptions | RiskTrackingStakeholdersGovernance | ArchitectureDecisionAsyncGovernance | ArchitectureCommunicationStakeholdersCanvas |