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Digital Divide
Will 2010 be the year of IPv6?
By Carolyn Duffy Marsan December 17, 2009 06:08 AM ET Network World - Will IPv6 finally arrive stateside in 2010? That's the question U.S. ISPs and network equipment vendors are asking themselves after seeing a rise in IPv6 activity during the last six months of 2009. IPv6 vs. IPv4 The Internet engineering community has been waiting a decade for widespread adoption and deployment of IPv6, an upgrade to the Internet's main communications protocol known as IPv4. IPv6 is needed because the Internet is running out of IPv4 addresses. IPv4 uses 32-bit addresses and can support approximately 4.3 billion individually addressed devices on the Internet. IPv6, on the other hand, uses 128-bit addresses and can support so many devices that only a mathematical expression -- 2 to the 128th power -- can quantify its size. |
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