3 Definitions and abbreviations

23.5273GPP5G SystemRelease 18Restoration proceduresTS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in 3GPP TR 21.905 [1] and 3GPP TS 29.244 [4] 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] and 3GPP TS 29.244 [4].

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

F-SEID Fully Qualified SEID

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

PFCP Packet Forwarding Control Protocol

GTP-U GTP User plane

LLC SM Low Layer Source Specific Multicast (address)

MBS Multicast/Broadcast Service

MBSF Multicast/Broadcast Service Function

MB-SMF Multicast/Broadcast Session Management Function

MB-UPF Multicast/Broadcast User Plane Function

NEF Network Exposure Function

NG-RAN Next Generation (5G) RAN

PSA PDU Session Anchor

SMF Session Management Function

TEID Tunnel Endpoint IDentifier

UPF User Plane Function