At last, a small set of unicast addresses have been defined for special use. They do not carry a scope, so they are discussed independently of the other unicast addresses. Two basic addresses carry ...

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 ...

When the ARPANET was designed in the late 1960s, it was outfitted with a Network Control Protocol (NCP) that made it possible for the very different types of hosts connected to the network to talk ...

IPv6 is a powerful enhancement to IPv4 with features that better suit current and foreseeable network demands, including the following: IPv6 increases the number of address bits by a factor of 4, from ...

I’ve written about IPv6 address design previously, and in that post I briefly touched on the fact that our long-ingrained habits of IPv4 address design can lead us astray when working with IPv6. I’d ...

Although IPv6 adoption seems to be moving at a snail’s pace, there’s no outrunning it. Brien Posey demystifies some of the addressing issues many admins are still trying to figure out. [Editor’s note: ...

Next week, Randy Frank will take over as the new CTO of Internet2, an Ann Arbor, Mich.-based consortium of 200 U.S. universities conducting advanced networking research. Frank joins Internet2 from ...