The current IP address scheme of 32-bit words is fast becoming inadequate. It would appear that 2 32 = 4 294 967 296 combinations of addresses should be enough for everybody, but in practice this is ...

The purpose of the network layer is to help route messages between different local networks. Central to this layer is the concept of exclusive network addresses, where every terminal connected to the ...

You're probably familiar with the Internet Protocol. After all, it's the "IP" in IPv4 and IPv6. The set of rules that routes data across networks so that it gets to the correct destination. The ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What is a network protocol? Most textbook writers state something like this: A network protocol ...

Getting started on designing a network is a task of formidable proportions, but all the more so if you are looking to build a secure IT network. Often, IT system administrators are not fully familiar ...

While computing, storage and programming have dramatically changed and become simpler and cheaper over the last 20 years, however, IP networking has not. IP networking is still stuck in the era of mid ...

Joel is an internationally recognized expert in the areas of security, networking and messaging. Follow him on X (formerly Twitter) @joelsnyder. Networks empower people to do their jobs, to ...