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 ...

Somewhere in the 2020s, a decade after the last IPv4 address has been used up, computer science students are going to learn about the transition from IPv4 to IPv6 as an example of either the best or ...

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 ...

I'm looking for more information about having IPv4-only devices (embedded, legacy, etc) on a network that is otherwise IPv6-only, with IPv6-only Internet access. It's academic at this point, but I can ...

This just in from the strange-but-true-deployments department: Hundreds of cows and taxicabs in Japan have their own unique IP addresses. Recently, cows in Gifu prefecture were tagged with tiny ...

OpenFlow is a Software-Defined Networking (SDN) protocol used for southbound communications from an SDN controller to and from a network device. OpenFlow is the protocol used to inform the topology of ...

Phil Goldstein is a former web editor of the CDW family of tech magazines and a veteran technology journalist. He lives in Washington, D.C., with his wife and their animals: a dog named Brenna, and ...

Before the end of fiscal 2021, agencies will need to have a plan in place to hit 80% IPv6-only systems by 2025. With the 2021 budget proposal in the rearview, the Office of Management and Budget’s IT ...

Many enterprises use OSPF version 2 for their internal IPv4 routing protocol. OSPF has gone through changes over the years and the protocol has been adapted to work with IPv6. As organizations start ...

A common type of Internet-based threat intelligence is the assigning of reputation scores to the source of traffic, usually expressed as a certain Internet address or domain. Yet with the gradual -- ...

Most enterprises are primarily concerned with the hardware and software costs of migrating to IPv6, but they should also plan on a higher bandwidth bill. How well prepared are your vendors and service ...

IPv6 represents an evolutionary step for IP. Despite building upon IPv4 and the experience gained operating IPv4 networks, IPv6 has its own idiosyncrasies and unique functionality implementations. For ...