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Internet switches to IPv6, Trillions of new net addresses now possible

Internet switches to IPv6, Trillions of new net addresses now possible

By Agence France-Presse | Updated: 7 June 2012 09:51 IST

A new Internet standard giving the global network more room to grow came into effect Wednesday, a move that users probably won't notice.

The switch occurred at 0001 GMT Wednesday, when Internet operators switched to a new standard called IPv6 that allows for trillions of "IP" numbers or addresses, up from the current 4.3 billion.

"To ensure the Internet can continue to grow and connect billions more people and devices around the world, thousands of companies and millions of websites have now permanently enabled the next generation of Internet Protocol (IPv6) for their products and services," the Internet Society, an advisory panel, said.

"Participants in World IPv6 Launch include the four most visited websites in the world -- Google, Facebook, YouTube, and Yahoo! -- as well as home router manufacturers and Internet Service Providers in more than 100 countries. By making IPv6 the 'new normal,' these companies are enabling millions of end users to enjoy its benefits without having to do anything themselves."

Vint Cerf, one of the inventors of the Internet standard, who is now the "chief Internet evangelist" at Google, said the change gives the Internet room to grow.

"When the Internet launched operationally in 1983, its creators never dreamed that there might be billions of devices and users trying to get online," he said.

"Yet now, almost three decades later, that same Internet serves nearly 2.5 billion people and 11 billion devices across the globe. And we're running out of space."

The full transition will take several years, and old IPv4 devices and networks should continue to function as before.

"We're proud to be one of the founding participants; virtually all Google's services have been available over IPv6 for a while, but IPv6 access was only available to networks participating in the 'Google over IPv6' program," Cerf said.

"From now on, they will be made available to any IPv6 network on the Internet (well, almost any)."

Some analysts say there may some annoyances for people using older equipment, because the "path" to websites using compatible equipment may be different.

Each piece of hardware -- including home computers, tablets and mobile devices -- has a unique IP address to connect to the Web.

With about seven billion people on the planet, the IPv4 protocol doesn't allow for everyone to have a gadget with its own online address.

The situation has been equated to not having enough telephone numbers for every user.

Cisco is projecting that by 2016, there will be nearly 18.9 billion network connections, or nearly 2.5 connections for each person on earth, compared with 10.3 billion in 2011.

If there are not enough addresses, neighbors will have to start sharing IP addresses, which can slow things down.

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