Content for  TS 23.327  Word version:  12.0.0

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This document specifies the stage 2 system description for providing mobility between 3GPP Wireless Local Area Network Interworking (I WLAN) and 3GPP Systems. It is to define a technical solution based on the working principles of DSMIPv6 (see RFC 5555 [7]) with necessary enhancement of the I WLAN architecture for supporting mobility and roaming between 3GPP WLAN Interworking system and 3GPP Systems so that ongoing 3GPP PS based services can be maintained with minimal impact on the end user's perceived quality on the services at a change of the access network (between I WLAN and 3GPP Access Systems.
The specification includes both non roaming and roaming scenarios and covers all aspects, including mobility between 3GPP Systems and I WLAN with access authentication and charging.

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