EAOT
Patterns / Data Architecture

Data Fabric

Metadata-driven integration that connects distributed data without forcing physical consolidation.

Sources
Active Metadata
Virtualisation
Policy
Consumers

Conceptual flow

Problem

Data is spread across estates that cannot be centralised for legal, technical, or cost reasons.

Context

Hybrid estates with strong metadata and lineage requirements.

Solution

Build an active metadata layer over distributed sources; use virtualisation, lineage, and policy enforcement to serve consumers without wholesale copying.

Benefits

  • No mass duplication
  • Central policy enforcement
  • Faster discovery

Risks

  • Query performance on virtualised sources
  • Metadata quality dependency

Trade-offs

  • Query latency against consolidation cost

When to use

  • Regulatory data residency constraints
  • Highly distributed estates

When not to use

  • Small, already-consolidated estates

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