doc.: IEEE /1008r0 August 2010Hiroki Nakano, Trans New Technology, Inc.Slide 1 Parallel processing for upper layer Date: Authors: NameCompanyAddressPhone Hiroki NakanoTrans New Technology Sumitomo-Seimei Kyoto Bldg. 8F, 62 Tukiboko-cho Shimogyo-ku, Kyoto JAPAN
doc.: IEEE /1008r0 Various approaches ContainerAuth. ProtocolIP address assign.Use Case IEEE802.11i + IEEE802.1X EAP-TLS (Certificate) DHCP PC, Mobile terminal IEEE802.11i + IEEE802.1X EAP-TTLS (Pre-shared key) DHCP PC, Mobile terminal IEEE802.11i + IEEE802.1X EAP-GPSK (Pre-shared key) DHCPSmall gadget New by FIA EAP-GPSK (Pre-shared key) DHCPSmall gadget New by FIA w/ L3 piggyback EAP-GPSK (Pre-shared key) ReengineeringSmall gadget New by FIA w/ L3 piggyback Yahalom (Pre-shared key) ReengineeringSmall gadget Orange parts must be developed by FIA in future.
doc.: IEEE /1008r0 Plan A STA APASDHCP/Default Gateway DHCP Discovery DHCP Offer DHCP Request DHCP ACK ARP Request to Default Gateway ARP Reply from Default Gateway EAP-GPSK EAPOL-Key EAPOL-Start EAPOL-Success Association Request with: AS Selector Request for IP address Association Response with: IP address and other configurations MAC address of Default Gateway AP uses DHCP to obtain IP address. Parallel Processing for EAP and IP AP waits for finishing both processes for EAP and IP.
doc.: IEEE /1008r0 EAPOL-Start EAPOL-Success New.11 driver emulates DHCP server for existing IP layer trying to get IP address. STA Dirty-but-fast deployment of Plan A Parallel Processing for EAP and IP EAP-GPSK EAPOL-Key APASDHCP/Default Gateway Existing L3 New.11 driver Inside STA DHCP Procedure Basically, Plan A requires STA to support new L3 configuration protocol.
doc.: IEEE /1008r0 Plan B STA APASDHCP/Default Gateway DHCP Discovery DHCP Offer DHCP Request DHCP ACK ARP Request to Default Gateway ARP Reply from Default Gateway EAP-GPSK EAPOL-Key EAPOL-Start EAPOL-Success Association Request with: AS Selector DHCP Discovery Association Response with: DHCP ACK Gratuitous ARP for Default Gateway Parallel Processing for EAP and IP AP waits for finishing both processes for EAP and IP. Piggyback Any packet can be used to transfer DHCP packets Piggyback
doc.: IEEE /1008r0 Differences between Plan A and B Plan APlan B New FIA Container is used for EAP and L3 EAP-GPSK is used for authentication and key creation EAPOL-Key is used for key management AP talks DHCPSTA talks DHCP via AP New protocol to assign IP addresspart of DHCP process is done in advance