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Interworking Update

This project aims to enhance the 802.11 standard by developing a standard or reference architecture to enable interworking between cellular and external IP networks. The project will define specific interfaces for interworking security, accounting, and resource allocation.

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Interworking Update

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  1. Interworking Update 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. 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 two output documents to enhance the 802.11 standard and amendments: • i)                    Cellular and external IP network interworking requirements • ii)                   Cellular and external IP network interworking reference architecture description • These outputs will define and specify the addition of specific interfaces to deal with interworking security, accounting and resource allocation between an 802.11 system and the aforementioned external networks. Stephen McCann, Siemens Roke Manor

  5. Way forward • 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 802.11 Stephen McCann, Siemens Roke Manor

  6. 802.11 existing bits ? Stephen McCann, Siemens Roke Manor

  7. Draft Skeleton Outline • Information submission : 11-03-459r1 • Authentication (TGi) • Authorization (TGi) • Accouting (IPDR) • QoS (TGe) • Policy (DiffServ/COPS) • Mobility (Macro : MIP, Micro : TGk, Handoff) Stephen McCann, Siemens Roke Manor

  8. Current Actions • From 3GPP • Can proposed 3GPP interworking model can be achieved from current 802.11 standards ? • Will 802.11 be able to use Diameter ? • What entity will produce charging records within the 802.11 Access Network ? • Will policy control be provided within the 802.11 Access Network ? Stephen McCann, Siemens Roke Manor

  9. Roadmap • Encourage technical submissions for Singapore meeting • 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 • Move to create a study group in Singapore Stephen McCann, Siemens Roke Manor

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