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 ...

If you are using Internet or almost any computer network you will likely using IPv4 packets. IPv4 uses 32-bit source and destination address fields. We are actually running out of addresses but have ...

Today, the last current-generation Internet addresses were divvied up at the highest level. Here's a look at what happens next in rebuilding the Net with the newer IPv6. Stephen Shankland worked at ...

Suppose that an Internet host is dual stacked with an IPV4 and an IPV6 address. Can an A record and a quad A or an A6 record point to the same name? For example: ipv6.example.com. IN CNAME example.com ...

I love a car with a nice V6 under the bonnet... Good for you, but IPv6 has nothing to do with cars. It actually stands for Internet Protocol version 6, the name for the next-generation IP addressing ...

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: ...

What happens when a web site enables IPv6 access in addition to IPv4 access? Not talking here about the technical steps (configuring IPv6 in the kernel, adding a AAAA ...

The slow move to IPv6 has crept past another milestone, with the Internet Architecture Board (IAB) stating on Monday that the pool of unassigned IPv4 addresses have been allocated. "As a result, we ...

Editor’s note: An editing error mischaracterized how to test IPv6 capability from a network. We have removed that reference, and we regret the error. The Internet ...

Twenty years ago, the fastest Internet backbone links were 1.5Mbps. Today we argue whether that’s a fast enough minimum to connect home users. In 1993, 1.3 million machines were connected to the ...