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Internet Addresses to Run Out in 2010



Everything that connects to the Internet is given a unique number called an IP address. Those numbers are handed out according to a system called IPv4 (Internet Protocol version 4). Unfortunately, we're fast approaching the maximum number of possible addresses IPv4 can handle -- a limitation of the system created in the 1970s.

Running out of addresses could spell the end of the expansion of the Internet, which is why IPv4's successor, IPv6, is being pushed heavily for adoption. According to Viviane Reding, EU Commissioner for the Information Society, IPv6 has more available addresses then there are grains of sand on the Earth, which should be more than enough to connect every electronic device and sensor to the Internet.

Need a number to help wrap your mind around how many addresses IPv6 can have? IPv6 provides 3.4 × 1038 addresses for each of the roughly 6.5 billion people in the world. That's a 34 followed by 37 zeros, enough for every cell in your body to get online... twice. [Source: News.com.au]

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