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 ...

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 ...

The last few blocks of internet addresses using IPv4 are widely expected to be handed out this week. Southampton University's Tim Chown explores what happens next with the switch to IPv6. As I write, ...

In the early 1990s, internet engineers sounded the alarm: the pool of numeric addresses that identify every device online was not infinite. IPv4, the fourth version of the Internet Protocol, used ...

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 ...

In hindsight, we reached peak IPv4 two years ago. The good news is that IPv6 is doing very well—but not nearly well enough. Is the IPv6 glass 1 percent full or 99 percent empty? “Hi, I’d like to sign ...

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 ...

As we reported back in July, the Internet Engineering Task Force has been thinking about ways to make the IPv4 world talk to the (future) IPv6 world. This way, we don't all have to upgrade at the same ...

IPv6 is central to safeguarding the expansion of the internet, but the global deployment of the protocol raises its own security challenges, says Axel Pawlik. The global adoption of IPv6 is one of the ...

Migration has been gradual, but the move to IPv6 could speed up with IPv4 addresses running out The argument about how best to upgrade the Internet’s main communications protocol raged in the Internet ...