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IPv4 addresses were completed

ICANN, the central authority responsible for regulating and assign IP addresses has just delivered the two blocks last IP address version 4 33 million (seems a lot but it is not), in the regions of Asia and the Pacific.

So officially more IP addresses are not of this type, but not panic, because the various regional organizations are already preparing for the transition to version 6 IP .

And it differs IPv6 of IPv4 ?

• IPv4 uses 32-bit addresses , limiting 2 to 32 = 4,294,967,296 unique addresses.
• supports IPv6 340.282.366.920.938.463.463.374.607.431.768.211.456 (2 ^{128 or 340} address sextillion)-some 6.7 × 10 ¹⁷ (670,000 billion) address per square millimeter surface Earth.

To accomplish this transition, I remember the day June 8 this year marks the IPv6 World Day, which, among many others, Facebook and Google migrate all services to IPv6 .

In principle, end users should not do anything is a thing of the ISP make the change (HORROR!). Moreover, not everything is as beautiful as it seems, Vint Cerf , one of the creators of protocols governing internet , told PCMagazine some drawbacks and, despite being already warned, I'm sure we will find:

"At first, most networks be implemented in both IPv4 and IPv6 in 'dual-stack, both protocols at the same time until IPv6 becomes the norm. When there is exhaustion of public IPv4 addresses, there will be devices that only use IPv6 will not be able to interact directly with devices that have only IPv4. We can meet this moment with the use of NAT or gateways. At some point, everyone should be able to use IPv6, but I believe that connectivity will not be as good as today with IPv4. "

Seen ALT1040 .