It would have been so easy if the early Internet and TCP/IP network designers had made IPv6 backward compatible with IPv4. They didn't. In 1981, IPv4's 32-bit 4.3 billion addresses look more than ...

The world has passed it by in many ways, yet it remains relevant Feature In the early 1990s, internetworking wonks realized ...

Many in the industry realize that as we migrate to IPv6 there will be a day when IPv4 is not needed anymore. However, that transition seems daunting and may take decades. In the meantime, ...

As hundreds of regional communications service providers rush to deploy broadband and add thousands of new subscribers to their networks, they face a long list of tasks and budget items to be ...

We just saw that the mask determines where the boundary between the network and host portions of the IP address lies. This boundary is important: If it is set too far to the right, there are lots of ...

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 ...

I’ve written previously that as we make the slow – and long overdue – transition from IPv4 to IPv6, we will soon be stuck with an awkward interim period in which the only new globally routable ...

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 ...

Users of Internet Protocol version 4 (IPv4) networks, beware man-in-the-middle attacks. That's because such networks can be exploited using capabilities built into IPv6, the next-generation standard ...