6.1 General

23.5013GPPRelease 18System architecture for the 5G System (5GS)TS

Clause 6 provides the functional description of the Network Functions and network entities and the principles for Network Function and Network Function Service discovery and selection.

NG-RAN functions and entities are described in TS 38.300 [27] and TS 38.401 [42].

Security functions and entities are described in TS 33.501 [29] and TS 33.535 [124].

5G Media streaming functions are described in TS 26.501 [135].