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| Criterion |  Agile Story Splitting |  Agile Bucket System |  Architecture Architecture Inception Canvas |  Architecture Software Architecture Canvas |
|---|---|---|---|---|
Purposedifferent | When a story becomes too large for a clean flow, it breaks scope down along value and risk. It shapes the work into a form that ships earlier and is easier to verify. | When a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 30-60 min | 30-90 min | 1-2 h | 1-2 h |
Participantsdifferent | 2-6 | 3-12 | 3-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Smaller Stories, Acceptance Criteria, Split Rationale | Bucketed Backlog, Relative Estimates, Split Candidates | Inception Canvas, Risks, Goal List, Open Questions | Architecture Canvas, Goals, Constraints, Quality Attributes |
Tagsno overlap | BacklogIterationDelivery | EstimationBacklogRelative sizing | AlignmentArchitectureCanvas | CanvasArchitectureAlignmentWorkshop |