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General Architecture

Current L1 functional development mainly focus on the open interface development, three interfaces will be involved to interact with L1  as below:

  • Interface between L1 and Front haul, it will adopt the WG4 specification for the CUS plane communication. 
  • Interface between O-DU Low and O-DU High, FAPI interface will be adopt according to WG8 AAL specification.
  • Interface between O-DU Low and accelerator, it's the hot topic in WG6 now,  DPDK BBDev was adopted as current design, it will follow the WG6 definition after WG6 specification is finalized. 
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