Networks function and flourish because they deliver reliable and fast communication over large distances. And while people often marvel at the speed, it's the reliability -- made possible through the ...

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 ...

This course introduces students to the fundamentals of computer networking, the OSI stack, and the practical and conceptual skills needed to build simple local area networks, perform basic device ...

This article originally appeared in TV Technology. When it comes to audio over IP, one area that seems to cause a substantial amount of confusion is whether a technology works at Layer 2 or Layer 3.

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 ...

Network security is typically done in layers. Whether folks secure at the edge, the core, or in between, the network is secured in layers to ensure optimum protection. Using that as a baseline, author ...

As Cisco continues its transformation from a “packet pusher” to an “infrastructure” company (see “Cisco’s transformation still work in progress”), the company this week updates its curriculum for the ...