For those of you unfamiliar with the issue and how the internet works (in simple terms) each and every connected device on the internet needs an IP address. It's like a phone number, basically a unique number given to your computer, mobile phone, or whatever, whenever it is connected to the internet
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The current numbering system we're using is called IPv4. This system contains about 4,000,000,000 unique available addresses in total. At the time of writing, about 2% is unallocated. At the speed things are going, that will be empty within a matter of days. Luckily this development hasn't come as a shock to the people who help maintain the internet, so there's a new version available called IPv6.
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But what if you're stuck on some lame ISP with incompetent and slow moving people? Do you really have to wait for them to get going? Ideally, yes, but.. It's possible to tunnel IPv6 over IPv4. It's like dialing a 8 digit number first, and then, when the other end picks up the phone, you dial a 12 digit number in addition.
Wikipedia maintains a list of IPv6 tunnel brokers, so if this lack of IP addresses is starting to bother you, or you just want it now, go there and check it out.
In June 2010, Google held a
Google IPv6 Implementors Conference. At that event, Facebook announced that it had
begun to use IPv6.
In his opening remarks to the conference, Google's Chief Internet Evangelist Vint Cerf
urges ISPs to move to IPv6, so that a "black market" for Internet addresses won't occur.
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