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 ...

Morey Haber, Chief Security Advisor at BeyondTrust, is an identity and technical evangelist with over 25 years of IT industry experience. Recently, I was reminiscing with a colleague about unique ...

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 ...

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 ...

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 ...

A reference model is a virtual model which defines how communication should take place. It logically divides the processes which are required for the communication into layers. This concept is known ...

Layer 2 of the OSI model is where we find the Data Link Layer, which provides the mechanism by which data is transferred from node to node across a network. What makes this layer important is that it ...

Whether it’s wired or wireless, most data communications today happens by way of packets of information travelling over one or more networks. But before these networks can work together, though, they ...