Networking author Howard C. Berkowitz provides tips on avoiding and fixing data link network failures in Part 3 of his series.

The third layer of the OSI Model, the network layer, is where most network engineers focus their time and expertise. As Darragh commented in my post on the data link layer, Layer 2 is cool but Layer 3 ...

In this eWEEK Data Point article, an expert describes the functions of three important layers in an adaptive network: a programmable infrastructure, analytics and intelligence and software control ...

A tutorial on the Open Systems Interconnection (OSI) networking reference model plus tips on how to memorize the seven layers.