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 ...

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 ...

In this chapter, you will learn about the addressing used in IPv4 and IPv6. We'll assign addresses of both types to various interfaces on the hosts and routers of the Illustrated Network. We'll ...

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 ...

About to embark on deploying IPv6? First, you need to know some key differences in IPv6 address formats. Don’t be deterred by the intimidating appearance of those long IP version 6 (IPv6) addresses.

One of the benefits of the next-generation Internet protocol known as IPv6 is the enhanced privacy it offers over its IPv4 predecessor. With a staggering 2 128 (or about 3.4×10 38) theoretical ...

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: ...

With many organisations moving to IPv6, there could be monitoring issues and consequences for those that still use IPv4 ...

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 ...