In the natural world, species that share the same ecosystem often compete for resources, resulting in the extinction of weaker competitors. A new computer model that describes the evolution of the ...

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 ...

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 ...

IPsec is a suite of protocols that are used to secure internet communications—in fact, the name itself is an abbreviation for Internet Protocol Security. IPsec was first codified in the ’90s, spurred ...

In the previous two articles, I described the hardware and software required to build an IoT device. These devices (the “Things” in the Internet of Things) are an essential part of an IoT system.

The open systems interconnection model layered approach, shown in this table, allows each subordinate, interdependent layer to provide services to the next higher layer as transactions are converted ...

Linking all kinds of different sensors and devices together is the overarching goal of Internet of Things (IoT) technologies. But the Internet Protocols (IP) required to achieve this goal create ...