Deployment IPv6

the 1993 introduction of classless inter-domain routing (cidr) in routing , ip address allocation internet, , extensive use of network address translation (nat), delayed ipv4 address exhaustion. final phase of exhaustion started on 3 february 2011. however, despite decade long development , implementation history standards track protocol, general worldwide deployment of ipv6 increasing slowly. of september 2013, 4% of domain names , 16.2% of networks on internet had ipv6 protocol support.

ipv6 has been implemented on major operating systems in use in commercial, business, , home consumer environments. since 2008, domain name system can used in ipv6. ipv6 first used in major world event during 2008 summer olympic games, largest showcase of ipv6 technology since inception of ipv6. governments including federal government of united states , china have issued guidelines , requirements ipv6 capability.

in 2009, verizon mandated ipv6 operation, , reduced ipv4 optional capability, lte cellular hardware. of june 2012, t-mobile usa supports external ipv6 access.

as of 2014, ipv4 still carried more 99% of worldwide internet traffic. internet exchange in amsterdam , seattle large exchanges publicly show ipv6 traffic statistics, of november 2017 tracking @ 2.2% , 7.7%, growing @ 1.5% , 2.6% per year, respectively. of 28 october 2017, percentage of users reaching google services ipv6 reached 21.1% first time, growing @ 6.2% per year, although varying region. of 22 april 2015, deployment of ipv6 on web servers varied widely, on half of web pages available via ipv6 in many regions, 14% of web servers supporting ipv6.