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 ...

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 Constrained Application Protocol (CoAP) is a lightweight application layer protocol specifically developed to meet the stringent requirements of Internet of Things (IoT) devices. Its design ...

There’s an often-impenetrable alphabet soup of protocols, standards and technologies around the Internet of Things. Here’s our attempt to wipe away some of the fog, in the hopes of making the language ...

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 ...

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 ...

Alexandra Twin has 15+ years of experience as an editor and writer, covering financial news for public and private companies. Robert Kelly is managing director of XTS Energy LLC, and has more than ...

The race to become the operating system of the Internet is just beginning to heat up. It’s no longer about Windows vs. Linux vs. Unix. Or Intel vs. SPARC. The focus of this scenario is on the ...

The technology provides secure remote access to a broad spectrum of applications and network resources Application-layer VPNs are generating lots of attention these days. Proponents cite the ...

Update: We're in the last throes of winter break 2019, which means most Ars' home office phones can stay dormant for a few more days. As such, we've been resurfacing a few classics from the ...