# Common Data Layer **Domain:** Data architecture / Command and control **Doc Type:** Developed Wiki Node **Maturity:** Developing **Collection:** [[collections/War With Empire|War With Empire]] ## Definition A **common data layer** is a governed architecture through which multiple sensors, applications, users, and effectors can discover, exchange, and act on compatible data without requiring each pair to build a private integration. ## Significance The layer can accelerate composition and reduce platform lock-in, but it also becomes a strategic chokepoint if one actor controls semantics, access, or certification. Its constitutional quality depends on provenance, permissions, portability, observability, and a genuine [[wiki/Right to Integrate|right to integrate]]. ## Routes [[wiki/CJADC2|CJADC2]] · [[wiki/Next Generation Command and Control|Next Generation Command and Control]] · [[wiki/Lattice|Lattice]] · [[wiki/API as Sovereign Border|API as Sovereign Border]] ## Source - [[articles/gamification/America Loves Games and the Home Court Advantage|America Loves Games and the Home Court Advantage]]