Fortifying the CastleAn Update on Global IPv6 Deployment

Short introduction•Sander Steffann

• Independent consultant

• LISP service provider

• RIPE Address Policy Working Group co-chair

• The Netherlands IPv6 Foundation co-founder

• Dutch IPv6 TF ISP subgroup

The parts of the story

•Transit

•Content

•Eyeballs

•Conclusions

Transit

Transit

•Any decent transit provider can provide native IPv6 connectivity these days

Transit

•Any decent transit provider can provide native IPv6 connectivity these days

•If your transits don’t provide IPv6:• get rid of them and find transits that take their

job seriously

Content

Content - reasons

•Why do content providers deploy IPv6?• Offer better service than over (slowly degrading)

IPv4

• More visibility (addresses not hidden or shared)• Logging, ACLs, traceability etc.

• GeoIP based services

• Etc.

Content

•The big global content providers have shown that providing content on IPv6 can be done safely

Content

•The big global content providers have shown that providing content on IPv6 can be done safely• Before World IPv6 Day / Launch there were some

issues

• Happy Eyeballs (RFC 6555) was unfortunately needed, but it has helped a lot!

• A combination of better services, better software and better testing have made IPv6 reliable

Content - remaining issues

•There are some remaining issues though• Not all data centres and hosting services support

IPv6 yet

• Some CDNs charge a monthly extra for IPv6 (outrageous!)

• Some content providers think there are no IPv6 eyeballs

http://www.vyncke.org/ipv6status

weighted avg top 50 servers

Content - work to be done

•Slovenia and Czech Republic lead at the moment

•Not much progress since World IPv6 Launch :-(

•But providing content on IPv6 is not that hard!• http://www.internetsociety.org/deploy360/

resources/making-content-available-over-ipv6/

Eyeballs

Eyeballs - reasons for users

•This is where the IPv4 address shortage is really going to cause pain• Access services use the most address space

• Users behind NAT (NAT444, DS-Lite)or only a limited number of ports (MAP)

Eyeballs - reasons for ISPs

•IPv4 is getting expensive• Huge shortage on transfer market

• Investments in address-sharing solutions

•Moving traffic to IPv6 saves money on IPv4 side• And services with large traffic amounts like

YouTube and Netflix are available over IPv6!

http://www.vyncke.org/ipv6status

IPv6-enabled web browsers

Voetnoot

Another view: BitTorrent

Voetnoot

Another view: BitTorrent

Conclusions

Conclusions

•IPv6 Transits are available

•IPv6 Content stable since World IPv6 Launch• This needs to change!

• But high-traffic websites are already available over IPv6

•IPv6 Eyeballs is growing fast• Often thanks to a few huge players deploying

IPv6

Conclusions

•No apparent link between content and eyeballs:• Leaders in content are behind in eyeballs

• Leaders in eyeballs are behind in content

•Big international content providers dominate,so maybe this is not that important

The end