A.IETF

B.ITU

C.3GPP

D.ETSI

A.This network function is part of data repositories in the Common Data Layer. It stores 3GPP standardized data.

B.This network function is part of data repositories in the Common Data Layer and in opposition to the UDR, it stores non-standardized - unstructured - data.

C.This network function provides registration and discovery functionality to enable other network functions/services to discover and communicate with each other.

D.This network function stores or retrieves subscriptions, profiles and authentication data to or from the data repositories. It offers services to the AMF, SMF, NEF and AUSF using the Service Based Interface.

A.End-to-End TDM Synchronization

B.High Density and Flexible X-haul

C.Explosive traffic growth

D.Dynamic & elastic traffic patterns

A.Client/Server architecture, stateless network functions, Cloud-ready network functions and modular network functions.

B.Service based architecture, stateless network functions, Cloud-ready network functions and modular network functions.

C.Client/Server architecture, Cloud-ready network functions, and modular network functions.

A.By the assigned customer and the slice IDs (CU-S-ID).

B.By the customer ID (CU-ID).

C.By the QoS class ID (QCI).

D.By the single network slice assistance information (S-NSSAI).