Computerworld

The Data Link Layer: Understanding one of my favorite layers of the OSI Model

A couple posts ago, we talked about Layer 1 of the OSI Model — the Physical Layer. Today, we’ll start our climb up the Model with a visit to Layer 2, the Data Link Layer. The Data Link Layer is one of ...
Network World

What is the OSI model? How to explain and remember its 7 layers

A tutorial on the Open Systems Interconnection (OSI) networking reference model plus tips on how to memorize the seven layers. The Open Systems Interconnect (OSI) model is a conceptual framework that ...
PC Magazine

OSI model

Layers 7 through 4 are geared more to the application than the lower layers, which are designed to move packets from one place to another no matter what they contain. This top layer defines the ...
Semiconductor Engineering

Open Systems Interconnection model (OSI model)

First, and foremost, the OSI stack is just a theoretical reference model. There is no actual OSI software. It has been around since about 1980, and it is based upon recommendations from the ITU-T and ...
Electronic Design

What’s The Difference Between The OSI Seven-Layer Network Model And TCP/IP?

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 together, though, they ...