1. 3gpp2-liaison-report-november-2005
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Stefano M. Faccin, Nokia

2. November 2005
Abstract
This document contains the IEEE – 3GPP2 liaison report for November 2005.
Stefano M. Faccin, Nokia

3. November 2005
Status of Liaison
Liaison letter sent from to 3GPP2 after September meeting
Liaison presented and discussed at 3GPP2 October meeting
Presentation of u-tgu-requirements, in
TSG-X “Core Networks” 3GPP2 TSG-X ERA (Evolution, Requirements and Architecture), jointly with
TSG-S “Services and Systems Aspects”
Stefano M. Faccin, Nokia

4. 3GPP2 Activities related to IEEE 802.11: TSG-S
November 2005
3GPP2 Activities related to IEEE : TSG-S
Stage-1 Requirements (S.R0087-0) published August 04
Four main scenarios supported:
Scenario 1: Common billing & Customer Care
Scenario 2: Common authentication & WLAN Direct IP Access
Focus on 802.1X authentication with EAP-TLS; EAP-AKA
Access to IP connectivity, not 3GPP2 services
Scenario 3: WLAN 3GPP2 IP Access
Authentication/authorization/accounting based on 3GPP2 Home System
Access to the 3GPP2 Home System packet data services
Scenario 4: Session Continuity
continuity of a packet data session while switching of network connection takes places between the available access systems (e.g. WLAN-3GPP2)
Stefano M. Faccin, Nokia

5. 3GPP2 Activities related to IEEE 802.11: TSG-X
November 2005
3GPP2 Activities related to IEEE : TSG-X
Stage-2/3 Specification Phase I (X.P0028-0) completed (3Q04). Not published yet.
Supports scenarios 1 and 2
Stage-2/3 Specification Phase II (X.P0028-A)
Planned to support scenarios 3 and 4
Stefano M. Faccin, Nokia

6. November 2005
Main Feedback
Main comment is that 3GPP2 has been developing the 3GPP2-WLAN interworking assuming that is a black box and no enhancements/changes are possible
3GPP2 indicated that further study of the requirements will take place, and comments will be provided to
3GPP2 also indicated that for scenarios currently developed for the IW the work in TGu is most probably not relevant due to the timelines for TGu
However, for longer term aspects of the IW, TGu work can provide valid tools to 3GPP2
Stefano M. Faccin, Nokia