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A Model of IPv6 Internet Access Service via L2TPv2

A Model of IPv6 Internet Access Service via L2TPv2. Shin Miyakawa NTT Communications miyakawa@nttv6.jp 2006/7/10 IETF66th. Model of IPv6 Internet Access Service via L2TPv2 Tunnel. draft-kuwabara-softwire-ipv6-via-l2tpv2-00.txt

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A Model of IPv6 Internet Access Service via L2TPv2

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  1. A Model of IPv6 Internet Access Service via L2TPv2 Shin Miyakawa NTT Communications miyakawa@nttv6.jp 2006/7/10 IETF66th

  2. Model of IPv6 Internet Access Service via L2TPv2 Tunnel • draft-kuwabara-softwire-ipv6-via-l2tpv2-00.txt • English translation of the NTT Communications’ L2TP (v6 over v4) service specification • Original (Japanese text) is at http://www.ocn.v6.ntt.net/ocnipv6/pdf/ocnipv6uni_ver1.0.pdf

  3. Appendix

  4. OCN IPv6: IPv6 Emulation for Consumer Customers “OCN IPv6” tunnel service • Launched in December 2005 • IPv6 Tunneling over IPv4 by L2TP • Fixed IP address and non-fixed IP address to be given (two /64 subnet prefixes) • Original tunneling software provided for subscribers Radius Mail/Web Proxy IPv6 IPv6 Tunneling Termination Unit L2TP，UDP Implemented IPv4

  5. price • About $3 USD per month for OCNTM users • About $5 USD per month for others • Two dollars for “OCN Club” membership

  6. L2TP (v6 over v4) DHCP (v4) Host mode CPE Such as ADSL router LAN upstream PC L2TP client

  7. L2TP (v6 over v4) Router Advertise DHCP (v4) Router mode CPE Such as ADSL router LAN upstream Router L2TP client

  8. L2TP (v6 over v4) DHCP (v4) RA Router mode with 2nd LAN CPE Such as ADSL router LAN upstream Router L2TP client 2nd LAN

  9. L2TP LAS Client as L2TP LAC IPv6 network IPv4 network RADIUS Global Address by RA DHCPv6 PD ? Architecture (Host Mode) IPv6 application IPv6 IPv6 IPv4 L2TP Client OS assigns a global address from the delegated prefix to a Virtual I/F Link local DHCPv6 PD

  10. L2TP LAS Client as L2TP LAC IPv6 network IPv4 network IPv6 Network (LAN) RADIUS IPv6 application IPv6 IPv6 IPv6 IPv4 L2TP Global Address by RA DHCPv6 PD ? Architecture (Router Mode) Link local DHCPv6 PD RA assigns the first (!) /64 to this link

  11. “OCN IPv6 Mobile GW” Service • HTTP Reverse Proxy service • It receives IPv4 HTTP communication and re-transmit as IPv6 HTTP • Also it provides DNS service which is associated to the reverse proxy • Now in the experimental service for free only for “OCN IPv6” users  • http://ocnipv6.jp/

  12. DNS query for A of www HTTP session R. Proxy’s Address as “A” record of www DNS query for AAAA of www “AAAA” record of www HTTP session v4 only http client v6 only www Web I/F to DNS record IPv6 network IPv4 network DB DNS HTTP Reverse Proxy

  13. “apaconf” tool • Configure v6 compatible apache http server on an IPv6 ready Windows XP SP2 • with “fixed prefix” of “OCN IPv6” tunnel service to create v6 only www server on the PC which is accessible not just only from v6 world but also from v4 world via the reverse proxy • So, today’s cellular phone network service such as “i-Mode” (by DoCoMo) also can be accessible to the web

  14. v6 http access v4 http access Establish v6 connectivity to the PC v4 http access application example L2TP v4 Internet v6 Internet R. Proxy appliance /w v4 HTTP i/f Such as HDD Recorder PC /w L2TP Client & v6 www CPE (NAT) This www configured as proxy

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