Joel is an internationally recognized expert in the areas of security, networking and messaging. Follow him on X (formerly Twitter) @joelsnyder. Building enterprise networks with routers and switches ...

Getting a handle on the invisible part of your network—the protocols that are in use—can be of enormous value in helping you detect problems. So far, we've talked about the tangibles of your ...

The purpose of this policy is to establish standards for management of network access and communications. This policy applies to all information technology systems that are connected to and use the ...

We received this question from a student at a recent Profinet One-Day Training Class. I found it particularly prescient given the latest discussions going on around Industry 4.0. The question is ...

Computer engineers learn early on that a core set of protocols are critical to networks. Some of the most important protocols include Internet Protocol (IP), Transaction Control Protocol (TCP), ...

I love new security testing tools. There is nothing quite like finding some magical bits of code allowing you to use and abuse protocols in unique and unnatural ways. I was introduced to Loki at ...

Like many words in the English language, “network” and “protocol” have different meanings, depending on the context. In the context of digital communications, Merriam-Webster defines network as “a ...

While there are an endless number of Internet protocols, some of them are particularly suited for video networks. For real-time transmission of video over IP, let's look at the protocol stack used in ...

With the development of blockchain technology, the problems of scalability, interoperability, and efficiency have never been more pressing than they are today. Most of the focus over the past few ...