3 Definitions, symbols and abbreviations

24.1933GPP5G SystemAccess Traffic Steering, Switching and Splitting (ATSSS)Release 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 purposes of the present document, the following terms and definitions given in 3GPP TS 23.501 [2] apply:

MA PDU session

Measurement assistance information

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].

5G-RG 5G Residential Gateway

ATSSS Access Traffic Steering, Switching, Splitting

ATSSS-LL ATSSS Low-Layer

LADN Local Area Data Network

MA PDU Multi-Access PDU

MAI Measurement Assistance Information

MPTCP Multi-Path TCP Protocol

PDU Protocol Data Unit

PLR Packet Loss Rate

PMF Performance Measurement Function

QFI QoS Flow Identifier

RTT Round Trip Time

SA PDU Single-Access PDU

SDF Service Data Flow

UAD UE Assistance Data

UAT UE Assistance data Termination

UPF User Plane Function

URSP UE Route Selection Policy