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 ...

Routing is the process of determining where to send data packets that are destined for addresses outside the local network. Routers gather and maintain routing information to enable the transmission ...

The possibility of using IP-based networks could greatly reduce the energy and costs associated with wireless IoT communication, which would otherwise need expensive mobile-tower connectivity and ...

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 ...

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 ...

Thread is a simplified, IPv6-based mesh networking protocol developed for connecting products around the home to each other, to the internet, and to the cloud. Thread is simple to install, highly ...

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 ...