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TS 24.502CT1
Access to the 5GS
via non-3GPP Access Networks

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V16.3.0 (Wzip)2020/03  84 p.
V15.5.0 (PDF)  2019/09  64 p.

WI Acronym:  5GS_Ph1-CT
Rapporteur:  Ms. Liu, Jennifer

The present document specifies non-3GPP access network discovery and selection procedures, the access authorization procedure used for accessing untrusted non-3GPP access networks.
The present document also specifies the security association management procedures used for establishing IKEv2 and IPSEC security associations from the UE to the N3IWF and the procedures for transporting messages between the UE N3IWF over the non-3GPP access networks.
The present document is applicable to the UE and the network. In this technical specification the network refers to the 3GPP 5GCN and the untrusted non-3GPP access network.

full Table of Contents for  TS 24.502  Word version:   16.2.0

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1  ScopeWord-p. 8
2  References
3  Definitions, symbols and abbreviationsWord-p. 10
4  GeneralWord-p. 11
5  Network discovery and selection
6  UE - 5GC network protocolsWord-p. 21
7  Security association management procedures
7.1  General
7.2  N3AN node selection procedureWord-p. 23
7.3  IKE SA establishment procedure for untrusted non-3GPP accessWord-p. 32
7.3A  IKE SA establishment procedure for trusted non-3GPP access [R16]
7.4  IKEv2 SA deletion procedureWord-p. 42
7.5  User plane IPsec SA creation procedure
7.6  IPsec SA modification procedureWord-p. 46
7.7  IPSec SA deletion procedure
7.8  UE-initiated liveness check procedureUp
7.9  Network-initiated liveness check procedureWord-p. 49
7.10  IKE SA rekeying procedureUp
7.11  IPsec SA rekeying procedureWord-p. 51
8  Message transport proceduresUp
9  Parameters and codingWord-p. 57
A  Change historyWord-p. 80

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