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 ...

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 ...

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 ...

Even though we’re no longer running out of IP addresses, Network Address Translation still plays a vital role. Learn the six types of NAT and how each one is used to improve network security, ...

I predicted that IPv4 (Internet Protocol version 4) hungry companies would start shopping for IPv4 addresses and a market would be created. I was right. As part of Nortel's bankruptcy settlement, ...