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

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 ...

Larger or more complex networks tend to need network layer (OSI Layer 3) devices for speed and flexibility. There are some specialized niches in which a hybrid of Layer 2 and 3 technology serve best.

At its core, CSOI introduces a software-defined networking (SDN)-based layer between the transport and network layers of the OSI stack. CSOI calls this the “3.5 layer” out of the seven layers of the ...

Whether it’s wired or wireless, most data communications today happens by way of packets of information travelling over one or more networks. But before these networks can work ...

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.

Layer 2 of the OSI model is where we find the Data Link Layer, which provides the mechanism by which data is transferred from node to node across a network.