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 ...

The routing of data from source to sink is an integral part of any large-scale wireless sensing and Internet of Things (IoT) solution. Unplugged and/or mobile embedded devices used in such low-powered ...

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 ...

Learn how the internet works with a simple guide on DNS, IP addresses, and routing—explained clearly to show how online ...

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 ...

Folks need to understand what IP routing is when it comes to networking. But not only that, they should also be familiar with the various IP routing protocols. This article will explain everything ...

I explained in the previous post how the RSVP-TE Explicit Route Object (ERO) specifies the path of an MPLS LSP by means of a sequenced list of Label Switching Routers (LSRs) that the LSP must pass ...

As an incident that we reported on last week shows, the Internet routing system isn’t as secure as we want it to be. But how bad is it really? Let’s start with a very short introduction into Internet ...

Open communication protocolsModbus TCP/IP is an open industrial protocol based on standard Ethernet. Modbus provides connectivity to programmable automation controllers (PACs), PLCs, and legacy ...

Win2K supports the following routing protocols: Routing Information Protocol (RIP) — (Supported as well in NT 3.51 and 4.0) RIP is a distance-vector protocol, meaning that it announces its distance ...