The growth in broadband subscriptions has helped fuel the expansion of the Internet and also been one source of its growing pains. This growth in the number of networks ‐ and devices attached to those networks ‐ has led to a shortage of unique Internet addresses used to identify individual devices connected to the Internet. As a result, there is a need for all network operators to upgrade to a new Internet addressing scheme, Internet protocol version 6 (IPv6). Based on allocation trends, experts estimate that the addresses in the current scheme (IPv4) will run out in 2011 or early 2012 (January 2009 projections).
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Document Type: Review Article
Publication date: August 1, 2009