According to the OSI Model, the session layer is where connections are established, managed, and torn down. For connection-oriented network protocols, understanding how the session layer works, and ...

Layer 4 is responsible for the packetization of data. It delivers packets of information error-free without observing any losses or duplication. Most applications running on the internet use services ...

The data link layer is the protocol layer in a program that handles how data moves in and out of a physical link in a network. It is Layer 2 in the Open Systems Interconnection (OSI) architecture ...

Peeling back the layers of IoT devices reveals most of them are nothing more than what are already on the Internet in the form of present-day M2M devices. In just six years, according to Cisco Systems ...

First off, howdy and welcome to the inaugural post of the EtherGeek blog. My name is Josh Stephens and I’m Head Geek and VP of Technology at SolarWinds, an IT management software company in Austin.

Getting started on designing a network is a task of formidable proportions, but all the more so if you are looking to build a secure IT network. Often, IT system administrators are not fully familiar ...

As traditional cybersecurity solutions improve, they push cyberattackers toward alternative paths. Layer 1 of the OSI model (i.e., the physical layer) has become a fertile ground for attacks and, ...

Other tips in this series have examined the seven-layer OSI model from the perspective of security. Although security was not the No. 1 goal of the designers of the OSI model, the idea behind these ...