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 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 ...

Ethernet is a layer 2 data link protocol that is widely used with the TCP/IP protocol, which resides at layers 3 and 4. To understand network communications, it is essential to learn about the ...

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 ...

The future of blockchain is here. While Layer 1 (L1) blockchains like Ethereum and Bitcoin are grappling with decentralization and scalability, and Layer 2 (L2) rollups bring much-needed speed and ...

Karlsfeld February 3, 2004 - MorethanIP announces new 10/100/1000 Ethernet MAC-NET Core. At high network speeds, or when CPU resources are limited, the processing load caused by network layers to ...

Have you ever performed surgery on data packets? There are times when that may be the best way to troubleshoot and optimize your network. This edition of the Packet Professor will get you started in ...

Producers of mobile phones and mobile infrastructure are working on the next big step in the development of the universal mobile telecommunications system (UMTS): UMTS long term evolution (LTE). The ...