Yesterday (6 June 2012) was World IPv6 day and a few companies and ISPs made the big move to IPv6. The reason IPv6 is being adopted is because of the problem of IP address shortage. There is a limitation on the number of IPs that can be supported by the existing IPv6 standard and going by the increasing number of devices, the web is going to run out of IP addresses this year. IPv6 is here to provide a solution to this problem. It requires the entire Internet, which is a lot of connections, everything from devices to service providers to switch to the new standard. The IPv6 standard can support some 340000000000000000000000000000000000000 IP addresses, which means that you can have these many devices connected to the web with a unique IP address for each one.
Vint Cerf, Chief Internet Evangelist at Google had this to say about IPv6 implementation. “World IPv6 Launch marks a watershed moment in Internet history. It breaks the limits of the original address space to open a vast new territory, trillions upon trillions of times larger, and reinforces the end-to-end architecture that made the Internet so powerful at the beginning. Google strongly supports this upgrade. We’re happy to see that everyone is moving to the 21st-century Internet!”
On World IPv6 day, which was held on the 8th of June 2011, Internet companies indulged in a test - a technical exercise - to try their hands on their new address. A few popular services, namely Google, Facebook, Yahoo! and Akamai decided to test out IPv6, along with the Internet Society, an organization which handles Internet standards. The exercise was done to eliminate any issues that might crop up during the worldwide transition to IPv6, which currently has provisions for about four billion IPs.
Source:- Tech2
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