Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Tried to Provide IPv6 Only Network Stealthily at CEDEC 2015

We provided IPv6-only Wi-Fi network with NAT64+DNS64 to non-internet experts at CEDEC 2015, the largest conference of computer entertainment developers and got interesting data of IPv6 deployment.

This is an English translation of a lightning talk made at JANOG37 meeting.

  • Login to see the comments

Tried to Provide IPv6 Only Network Stealthily at CEDEC 2015

  1. 1. Tried to Provide IPv6 Only Network Stealthily at CEDEC 2015 Yuya Kawakami (@yuyarin) CEDEC-Net 2015 NOC
  2. 2. CEDEC •  Largest conference in Japan for computer entertainment developers •  3 days at Pacifico Yokohama •  6,373 attendees in 2015
  3. 3. CEDEC-Net ★ Connectable Wi-Fi network ★ Don't afraid failure, Have a sense of fun ★ Exchange between engineers in network industry and game industry praying NOC members Wi-Fi Network for CEDEC by volunteers Equipment provided by sponsors
  4. 4. # of Wi-Fi Stations Max: 1713 stations by Cisco Prime Infrastructure
  5. 5. Wi-Fi Users Attribute Mobile devices are majority (visual) 65% Apple devices (MAC address)
  6. 6. At such a conference IPv6 Only by default tried
  7. 7. Announcement of Wi-Fi * dual-stack network(cedec-net4) is also prepared
  8. 8. Why great? IPv6 only for non-experts stealthily by default provided a network with maybe world first ?
  9. 9. Why did it? WWDC 2015 - Your App and Next Generation Networks iOS App Store requires "work with NAT64+DNS64"
  10. 10. CEDEC-Net 2015 External FLET'S Hikari Next (IPv6 Access NW) cedec-net4 (IPv4+IPv6) cedec-net (IPv6) (IPv6 ISP NW) IPv6 Internet IPv4 Internet IPv6 IPoE IPv6 traffic go throught to the IPv6 Intnernet NAT64+DNS64 translate IPv6 packets to IPv4 packets for IPv4 only applications DS-Lite encapsulate IPv4 packets in IPv6 and translate IPv4 private addresses to global addresses in ISP equipment IPv6 Only!!
  11. 11. CEDEC-Net 2015 Overview
  12. 12. Devices work with IPv6 Only Devices perfectly worked Devices connected to Wi-Fi but couldn't become "connected to the Internet" – Mac & iPhone (65% share) – Android →  no support of DHCPv6 →  RDNSS should have been provided – PS Vita – Nintendo 3DS
  13. 13. Impact on Game Industry •  Announced "Wi-Fi network can be used as a testbed for the future requirement of iOS App submission" to them •  They noticed "Apps which cannot work with this Wi-Fi will be rejected" and started to verify their apps •  Article on CEDEC-Net was published on GAME Watch and ranked 2th on a list of popular articles •  We were asked to teach a procedure for building NAT64+DNS64 environment
  14. 14. IPv6 Traffic Download Upload avg. 25% is IPv6 traffic
  15. 15. Devices in each network IPv6 Only: Red Dual-stack: Blue almost same as share of Apple devices If RDNSS is enabled, Android devices can be added approx. 65% Devices works with IPv6 Only
  16. 16. DNS Query Stat 12M DNS queries counted by service providor Top 10 providers account for 75% * inc. 18K queries of, Android uses for detect DNS64
  17. 17. DS-Lite Port Exhaustion used 1 IPv6 address (64512 ports) up It was likely that there are devices who could not communicate. 1400 devices are connected at that time. * differ from usage or implementation of CGN function * specially configured CGN available with 64512 port
  18. 18. CGN Port can be exhausted: NAT is not a permanent solution for IPv4 exhaustion Apprx. 25% traffic can be released to IPv6 if Mobile carriers deploy IPv6 It is important to try to make relationship with non-Interet industries to promote IPv6 Lesson Learned Content providers can decrease the risk of discommunication if deploy IPv6 can save 25% CGN ports but prepare for supporting them!!
  19. 19. iOS9.2 Release The ability to synthesize NAT64 IPv6 addresses from IPv4 literals was added to getaddrinfo NAT64+DNS64 issue Applications which need to use IPv4 address literal like P2P application cannot work Change in iOS9.2
  20. 20. For What is it Useful? 3 Mobile Careers in Japan "Approach to Promote IPv6 in Mobile Network" Amount of traffic which can be move to IPv6 and a number of IPv4 address which can be saved can be calculated by data from CEDEC-Net 2015
  21. 21. Related Documents •  『繋がりにくい原因』を探れ! 〜CEDEC-Netテクニカルレビュー 2015〜 – – •  Twitter @cedecnet のふぁぼ: 会場内外からの声 – •  CEDEC-Net 2015 で IPv6 の会場ネットワークを提供してきました – •  「CEDEC-Net 2015」がiOSアプリ開発者に警鐘を鳴らす! – 20150829_718619.html •  android が の AAAA を引く理由 –