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 ...

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 ...

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 ...

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 ...

Properly speaking, Ethernet only defines the physical layer—cables, connectors and firmware that enables communication over the media—but there is also the Open Systems Interconnection (OSI) stack.

Not long after you begin to work in computing, the truth of Murphy’s Law — “What can go wrong, will” — becomes apparent. As you move on to networking, you realize the reality of Murphy’s Law of ...