If you have anything to do with networked AV and you're not well-versed in the OSI model, we've got you covered. You will learn the fundamental ideas around getting data from host A to host B over a ...

A dive into the seven-layer Open Systems Interconnection (OSI) model. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The OSI model is a product ...

In the network layer, Layer 3 of OSI and the Internetwork layer of the Internet model, we now deal with logical topologies of multiple media, not just individual media.

In reality, no one uses the pure seven-layer model any longer. OSI architects themselves soon realized that the three upper layers were not as easy to separate as the pretty pictures showed.