Section: 6.2.11 UDR
Content: The Unified Data Repository (UDR) supports the following functionality: - Storage and retrieval of subscription data by the UDM. - Storage and retrieval of policy data by the PCF. - Storage and retrieval of structured data for exposure. - Application data (including Packet Flow Descriptions (PFDs) for application detection, AF request information for multiple UEs, 5G-VN group information for 5G-VN management). - Storage and retrieval of NF Group ID corresponding to subscriber identifier (e.g. IMPI, IMPU, SUPI). The Unified Data Repository is located in the same PLMN as the NF service consumers storing in and retrieving data from it using Nudr. Nudr is an intra-PLMN interface. NOTE 1: Deployments can choose to collocate UDR with UDSF.