According to 5G PPP Architecture Working Group View on 5G Architecture Version 3.0, the analytics framework for the 5G core network architecture considers data analytics capability at various layers and introduces data analytics functions (DAFs) into the following:
Core network domain (network data analytics functionality) (NWDAF)
Big Data and management and orchestration (Big Data/MDAF)
Application function level (AFDAF)
User equipment/RAN (DAF)
Data network (DN-DAF)