The Data Link Layer is one of my favorite layers of the OSI Model. Like a father who loves ALL of his children equally, but in different ways, I also love the other layers, but Layer 2 will always ...

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 ...

One of the most enduring models in networking is the famous seven-layer OSI model. X.25 roughly, but pretty accurately, is based on the first three layers. And it stopped there. Subsequently ...

The Physical Layer includes cable specs, pin-out patterns, voltages, hubs, repeaters, network cards, protocol standards (RJ45, V series modem standards) and even host bus adapters (HBA).

Network security is essential at every layer of the OSI model, including the mythical eighth layer, where users interact with technology.

“The software layer we call the ‘red diamond’—that’s how it’s illustrated in diagrams showing its position in the OSI stack.” The result is a deny-by-default security model that inherently resists man ...

The technical name of a frame of data transmitted over the data link layer (layer 2) in a communications network. Ethernet and Token Ring are examples of this layer. Many people neither use the ...

According to Dick, it is “well known that in the OSI model, Layers 8 and 9 are typically referred to as Money and Politics.” Another reader, Tom, elaborates on these same definitions: ...