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We all know we're running out of IPv4, the old-style Internet Protocol (IP), addresses). If you're in the network business, you know you need to start switching over to IPv6 soon. What you may not ...

As we run out of IPv4 address space, is it time to create an exchange for trading unused address blocks? Ars contributors Iljitsch van Beijnum and Timothy Lee tackle the issue. In this article, Tim ...

Traditional NAT, as discussed in the previous article, has been used for fifteen or so years to enable the sharing of a small number of public IPv4 addresses by a larger number of privately-addressed ...

When did you first hear concern expressed about the prospect of explosive growth of the internet resulting in exhaustion of the stock of available IP addresses? About twenty years ago perhaps? All ...

In addition to IPv4 (often written as just IP), there is IP version 6 (IPv6). IPv6 was developed as IPng (“IP:The Next Generation” because the developers were supposedly fans of the TV show “Star Trek ...