Content for TR 23.716 Word version: 16.0.0
7 Solutions for Trusted Network p. 140
7.1 Solution #1: Support of Trusted Non-3GPP Access p. 140
7.1.1 General Concepts p. 140
7.1.2 Reference Architecture p. 141
7.1.2.1 Network Functions p. 142
7.1.2.2 Reference Points p. 143
7.1.3 Procedures p. 144
7.1.3.1 TNAN Selection p. 144
7.1.3.2 Selection of "trusted connectivity" type p. 144
7.1.3.3 5GC Registration and TNAN Access Authentication p. 144
7.1.3.4 NAS transport and User-Plane Aspects p. 146
7.1.3.4.1 General p. 146
7.1.3.4.2 Option 1: IKEv2 and IPsec with NULL Encryption p. 147
7.1.3.4.3 Option 2: NWt protocol between UE and TNGF p. 149
7.1.3.4.4 Option 3: IP layer between the UE and the TNGF p. 151
7.1.3.5 Mobility Aspects p. 152
7.1.3.5.1 Intra-TNGF Mobility p. 152
7.1.3.5.2 Inter-TNGF Mobility p. 155
7.2 Solution #2 - Solution for UE Registration via Trusted non-3GPP access p. 157
7.3 Solution #3: Access to 5GC from UEs without supporting NAS on non-3GPP access p. 159
7.3.1 General p. 159
7.3.2 Reference Architecture p. 159
7.3.2.1 Network Functions p. 160
7.3.2.2 Reference Points p. 160
7.3.3 Procedures p. 160
7.3.3.1 WLAN Selection p. 160
7.3.3.2 Initial Registration & PDU Session Establishment p. 160
7.3.3.3 Subsequent Registration p. 163
7.3.3.4 Transfer of PDU session to 3GPP access p. 164
7.3.4 Solution Evaluation p. 164
7.4 Solution #4: Access to 5GC from UEs without supporting NAS on non-3GPP access p. 164
7.4.1 General p. 164
7.4.2 Reference Architecture p. 164
7.4.3 Procedures p. 164
7.4.4 Impacts on existing Functions p. 169
7.5 Solution #5: Access Network Selection for Trusted Non-3GPP Access p. 169
7.5.1 General p. 169
7.5.2 Access Network Selection Procedure p. 171
7.6 Solution #6: Access Network Selection for UEs not supporting NAS p. 173
7.6.1 General p. 173
7.6.2 Access Network Selection Procedure p. 174
8 Conclusions p. 175
8.1 Conclusions on Trusted Non-3GPP Access p. 175
8.2 Conclusions on WWC p. 176
8.2.1 Conclusions on FWA p. 176
8.2.2 Conclusions for the scenario that 5G-RG/5G-CRG connected via W-5GAN/W-5GCAN p. 176
8.2.3 Conclusions on SUPI p. 177
8.2.4 Other Conclusions p. 178
8.2.5 Conclusions on Hybrid Access p. 178
8.2.6 Conclusions for key issue #13 (mobility restrictions) p. 179
8.2.7 Conclusions on QoS p. 179
8.2.8 Conclusions for key issue #9 p. 179
8.2.9 Conclusions for user plane optimisation p. 179
8.2.10 Conclusions on Key Issue #7 p. 179
8.2.11 Conclusions for supporting FN-RG connecting to 5GC p. 180
8.2.12 Conclusions for the migration scenario from FN-RG to 5G-RG with AGF p. 180
8.2.13 Conclusions for the scenario that 5G-CRG connected via W-5GCAN p. 181
9 Evaluations p. 181
$ Change History p. 184
