Skip to main content


Showing posts from June 5, 2011

World IPv6 Day

World IPv6 Day    阅读原文» To show our support for IPv6, and as part of our IPv6 migration plan, we have enabled dual stack connectivity on our blog on this occasion of World IPv6 Day . If you view this site over IPv6, you will see a visual indicator confirming access from IPv6: What’s IPv6? For those of you who don’t know, IPv6 is the next-generation Internet protocol, which offers a large number of IP addresses, 2 96 (= 79228162514264337593543950336 ) times of what IPv4 has to offer. A typical IPv6 address looks like 2001:db8:cafe::1 , compared to an IPv4 address . IPv4 space is quickly becoming exhausted , necessitating the migration to IPv6. You can read more about IPv6 in its Wikipedia entry or in the free book, The Second Internet . You can use IPv6 tunnels if your ISP does not offer IPv6 connectivity yet. Using , you can verify IPv6 connectivity. Behind the Scenes This is powered by 2 load-balancers running nginx , and connectivity to