Routing protocols designed for low power and lossy networks (LLNs) have become pivotal in realising the vast potential of the Internet of Things (IoT) and wireless sensor systems. These protocols, ...

An examination of network protocols for creating and managing a switched network. Topics will include Ethernet LANs, Virtual LANs, VLAN trunking, network and link layer addressing, subnetting, DHCP, ...

Routing protocols play a critical role in the functioning of the Internet and the services built upon them. However, many of these protocols were developed without security concerns in mind. For ...

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 ...

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 ...

Initiatives like smart manufacturing require the free flow of information across a network architecture—from the point where data is first collected, to where that data is analyzed and contextualized ...

Network Engineers are always looking for new ways to gain some low-cost network testing capabilities. Few companies sufficiently fund networking labs for their networking teams to learn on prior to ...