Feature Description

The Unified Data Management (UDM) is responsible for primarily storing the subscriber data, which SMF accesses for managing the user sessions on the network. The SMF explicitly subscribes to receive the notifications about the events that occur in the subscriber data such session terminate.

The N10 interface is between Unified Data Management (UDM) and SMF (Session Management Function). The UDM provides the following services to SMF via the Nudm interface:

  • Nudm_SubscriberDataManagement Service

  • Nudm_UEContextManagement Service