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Wireless Interworking

Wireless Interworking. Stephen McCann & Max Riegel, Siemens stephen.mccann@roke.co.uk maximilian.riegel@siemens.com. 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.

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Wireless Interworking

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  1. Wireless Interworking Stephen McCann & Max Riegel, Siemens stephen.mccann@roke.co.uk maximilian.riegel@siemens.com Stephen McCann & Max Riegel, Siemens

  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 & Max Riegel, Siemens

  3. Existing 802.11 system Stephen McCann & Max Riegel, Siemens

  4. Is interworking inside the scope of 802.11 • Yes, it defines the functions of a public access Wireless Ethernet interface. • Yes, similar approach to TGf : signalling to enable communications between access points. Stephen McCann & Max Riegel, Siemens

  5. Internet Generic Internet architecture AAA Server WLAN Access Web Server Internet/Web Applications www www http http tcp tcp ip ip ip ip ip ip ip ip 802.2 802.2 802.2 802.2 link link link link link link 802.11 802.11 802.3 802.3 phy phy phy phy phy phy Stephen McCann & Max Riegel, Siemens

  6. Existing 802.11stack Stephen McCann & Max Riegel, Siemens

  7. TGf also re-uses IETF protocols Stephen McCann & Max Riegel, Siemens

  8. Interworking : What ? • Seems to be a lot of interest here. • What can WNG do ? • Look at current 802.11 functions/interfaces • What additions are required to meet W-ISP & Cellular requirements (3GPP and 3GPP2) • Come up with a model which matches the external networks of all these guys. Stephen McCann & Max Riegel, Siemens

  9. What do you mean ? • 802.11 requires some work in the access network to define external interfaces • TGe, TGf, TGi and TGk have started to do this already with functions. • Need to look at Accounting as mentioned yesterday • Let‘s start by looking at issues in the 3GPP requirements document. • Must also address W-ISP and 3GPP2 Stephen McCann & Max Riegel, Siemens

  10. 802.11 existing bits Stephen McCann & Max Riegel, Siemens

  11. Generic Architecture Stephen McCann & Max Riegel, Siemens

  12. Roadmap • Create TG to produce Recommended Practice (RP) • @Singapore : review PAR & 5Criteria. • Work towards a RP skeleton document incorporating the requirements of 3GPP SA2. • @San Francisco : Present documents to WNG and WG Plenary. Stephen McCann & Max Riegel, Siemens

  13. Liaison from 3GPP SA2 • Black Box Requirements • Network Discovery (SSID) • RADIUS/Diameter • Uniform service levels for hotspots • For more info : 11-03-194r0-WNG-3GPP-Implicit-Reqts-WLAN-BlackBox.doc Stephen McCann & Max Riegel, Siemens

  14. Response to 3GPP Liaison • What should the WNG actions be. • Propose liaison response : • Immediate full reply • 2 stage reply. Liaison indicating direction followed by a detailed response later. • Look at 11-03-226r0 (draft liaison) Stephen McCann & Max Riegel, Siemens

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