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Interworking Update II

Interworking Update II. Stephen McCann, Siemens Roke Manor stephen.mccann@roke.co.uk. 3GPP MNO. H LR. A AAH. 3GPP2 MNO. AC. A AAH. Wireless Interworking. Roaming Broker. Mobile Client. I nternet. W-ISP Access Network. Home ISP. A AAH. Interworking Scope.

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Interworking Update II

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  1. Interworking Update II Stephen McCann, Siemens Roke Manor stephen.mccann@roke.co.uk Stephen McCann, Siemens Roke Manor

  2. 3GPP MNO HLR AAAH 3GPP2 MNO AC AAAH Wireless Interworking Roaming Broker Mobile Client Internet W-ISP Access Network Home ISP AAAH Stephen McCann, Siemens Roke Manor

  3. Interworking Scope The scope of the project is to enhance the 802.11 standard and amendments, through the generation of a standard (or RP) to add interworking capability to both cellular and external IP based networks (including the Internet) Stephen McCann, Siemens Roke Manor

  4. Objectives • To generate documents to enhance the IEEE 802.11 standard • To provide recommend practice for access point to external network interoperability. • These outputs will define and specify the addition of specific interfaces to deal with interworking (e.g. security) • Creates a better hotspot user experience. Stephen McCann, Siemens Roke Manor

  5. Way forward • IEEE 802.11 requires some extra work in the DS to define external interworking • TGe, TGf, TGi and TGk have started to do this already with functional definitions • Accounting/Charging ? • Policy ? • Must address W-ISP, 3GPP & 3GPP2 specific requirements placed on IEEE 802.11 Stephen McCann, Siemens Roke Manor

  6. 3GPP • Can proposed 3GPP interworking model can be achieved from current IEEE 802.11 standards ? Stephen McCann, Siemens Roke Manor

  7. WiFi Alliance Public Access • WiFi Alliance Public Access III : • QoS (TGe provides QoS over the air) • Handoff (Provided by 802 Handoff group) • Policy (Network layer issue, but does it impact AP) • Mobility (same again) • Roaming (same again, some provided by TGi, some MAC layer ?, operator relationship, NAD • Enhanced Association Support (NAD) Stephen McCann, Siemens Roke Manor

  8. Roadmap • Draft skeleton becomes a Recommended Practice (RP) • Incorporate the WLAN interworking requirements from 3GPP, 3GPP2, WiFi Alliance and others • Work towards technical solutions for the differences between the interworking models Stephen McCann, Siemens Roke Manor

  9. Straw Poll • Request that an IEEE 802.11 Study Group be formed, at the Albuquerque meeting, to develop an amendment/recommended practice to extend and modify IEEE 802.11 to interwork with external IP networks, including Cellular networks. Stephen McCann, Siemens Roke Manor

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