3 Definitions, symbols and abbreviations

29.5323GPP5G Multicast-Broadcast Session Management Services5G SystemRelease 17Stage 3TS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in 3GPP TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in 3GPP TR 21.905 [1].

For the definitions of the basic SBI notions (e.g. apiRoot, API URI, Callback URI, etc.), SBI specific abbreviations (e.g. CRUD, YAML, etc.), special characters, operators and delimiters that are used by SBI specifications, see clause 3 in 3GPP TS 29.501 [5].

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in 3GPP TR 21.905 [1].

5MBS 5G Multicast-Broadcast Services

AF/AS Application Function / Application server

AMF Access and Mobility Management Function

C-TEID Common Tunnel Endpoint IDentifier

DNN Data Network Name

FSA Frequency Selection Area

F-TEID Fully Qualified TEID (i.e. IP address and TEID)

GTP-U GTP User plane

MBS Multicast/Broadcast Service

MBSF Multicast/Broadcast Service Function

MBSTF Multicast/Broadcast Service Transport Function

MB-SMF Multicast/Broadcast Session Management Function

MB-UPF Multicast/Broadcast User Plane Function

NEF Network Exposure Function

NF Network Function

NG-RAN Next Generation (5G) RAN

SMF Session Management Function

S-NSSAI Single Network Slice Selection Assistance Information

TEID Tunnel Endpoint IDentifier

TMGI Temporary Mobile Group Identity

UPF User Plane Function

URI Uniform Resource Identifier