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TS 24.193 (CT1) ☆ (Rel-16 draft)
Access Traffic Steering, Switching and Splitting – Stage 3

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for a better overview, the Table of Contents (ToC) is reproduced

V0.2.0 (Wzip) 2019/05 11 p.

Rapporteur: Miss Zhou, Xingyue

The present document specifies the procedures for access traffic steering, switching and splitting (ATSSS) between the UE and the network across one 3GPP access network and one non-3GPP access network.

The ATSSS can be supported over the access network where an MA PDU session can be established. The type of access network includes NG-RAN and untrusted non-3GPP access network, trusted non-3GPP access network, wireline 5G access network and wireline 5G cable access network as specified in TS 23.316.

full Table of Contents for TS 24.193 Word version: 0.2.0

1 Scope Word-p. 5

3 Definitions, symbols and abbreviations

3.1 Definitions

3.2 Abbreviations

4 General description Word-p. 6

4.1 Introduction

4.2 Multi-access PDU session

4.3 Steering functionalities

4.4 Support of access performance measurements

4.5 Distribution of traffic across 3GPP access and non-3GPP access networks Word-p. 7

4.6 EPS interworking

5 ATSSS control procedures

5.1 Introduction

5.2 Multi-access PDU connectivity service

5.2.1 Activation of multi-access PDU connectivity service

5.2.2 Re-activation of user-plane resources Word-p. 8

5.2.3 De-activation of user-plane resources

5.2.4 Converting MA PDU session to SA PDU session

5.2.5 Converting SA PDU session to MA PDU session

5.3 Access performance measurement procedures

5.3.1 UE-initiated RTT measurement

5.3.2 Network-initiated RTT measurement

5.4 Reporting of access availability procedures

6 PDUs and parameters specific to the present document Word-p. 9

6.1 ATSSS parameters

6.1.2 ATSSS rules

6.1.3 Network steering functionalities information

6.1.4 Measurement assistance information

6.1.5 ATSSS status parameter

6.2 Encoding of PMF protocol Word-p. 10

6.2.1 Message functional definitions and format

6.2.2 Encoding of information element

A Change history Word-p. 11