3 Definitions and abbreviations

38.4123GPPNG signalling transportNG-RANRelease 17TS

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].

NG: interface between a NG-RAN node and a 5GC, providing an interconnection point between the NG-RAN and the 5GC.

NG-C: Reference point for the control plane protocol between NG-RAN and AMF.

SCTP endpoint: as defined in IETF RFC 4960 (2007-09) [5]

SCTP association: as defined in IETF RFC 4960 (2007-09) [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].

5GC 5G Core Network

IP Internet Protocol

SCTP Stream Control Transmission Protocol

DiffServ Differentiated Service

PPP Point to Point Protocol

IANA Internet Assigned Number Authority

AMF Access and Mobility management Function