3 Definitions and abbreviations

23.2143GPPArchitecture enhancements for control and user plane separation of EPC nodesRelease 17TS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in TR 21.905 [1], TS 23.401 [2], TS 23.203 [3] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905 [1].

F-TEID: as defined in clause 8.22 of TS 29.274 [7].

F-TEIDu: The F-TEID of a GTP-u tunnel.

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in TR 21.905 [1], TS 23.401 [2], TS 23.203 [3] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 [1].

CP function Control Plane function

PGW PDN Gateway

PGW-C PDN Gateway Control plane function

PGW-U PDN Gateway User plane function

SGW Serving Gateway

SGW-C Serving Gateway Control plane function

SGW-U Serving Gateway User plane function

TDF Traffic Detection Function

TDF-C Traffic Detection Function Control plane function

TDF-U Traffic Detection Function User plane function

UP function User Plane function