Thanks for your comments on my first EtherGeek post on understanding the OSI Model. I especially enjoyed learning new ways to remember the OSI Model; for example: Please Do Not Throw Stale Pizza Away.

A couple posts ago, we talked about Layer 1 of the OSI Model — the Physical Layer. Today, we’ll start our climb up the Model with a visit to Layer 2, the Data Link Layer. The Data Link Layer is one of ...

The Open System Interconnect (OSI) network model, referred to by many as simply a stack, is in fact a well-designed, layered architecture for efficient intersystem and intrasystem communications. In ...

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 ...

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 ...