Content for TR 33.881 Word version: 17.1.0
5 Key issues p. 7
6 Solutions p. 8
6.1 Solution #1: Non-Seamless WLAN offload Authentication in 5GS p. 8
6.1.1 Introduction p. 8
6.1.2 Solution details p. 8
6.1.3 System impact p. 10
6.1.4 Evaluation p. 11
6.2 Solution #2: NSWO authentication using credentials retrieved from UDM/ARPF p. 11
6.2.1 Introduction p. 11
6.2.2 Solution Details p. 11
6.2.2.1 Architecture Overview p. 11
6.2.2.2 Flows p. 12
6.2.2.3 Subscriber Privacy p. 14
6.2.2.4 Key derivation p. 14
6.2.3 System impact p. 14
6.2.4 Evaluation p. 15
6.3 Solution #3: NSWO authentication using credentials retrieved from UDM/ARPF via HSS p. 15
6.3.1 Introduction p. 15
6.3.2 Solution Details p. 15
6.3.2.1 Architecture Overview p. 15
6.3.2.2 Flows p. 17
6.3.2.3 SUPI Privacy p. 18
6.3.2.4 Key derivation p. 18
6.3.3 System impact p. 18
6.3.4 Evaluation p. 19
7 Conclusions p. 19
$ Change history p. 21
