Description The Open Systems Interconnection model (OSI model) is an important concept in telecommunications in that it provides a common description of the path that data takes in a network. Seven ...

In this two-part series, we'll provide a different view of the OSI model, showing how the layers are interconnected and what protocol services are available at each level. In Part 1, we'll provide a ...

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 ...

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.