Computerworld

The Network Layer: Understanding layer 3 of the OSI Model

The third layer of the OSI Model, the network layer, is where most network engineers focus their time and expertise. As Darragh commented in my post on the data link layer, Layer 2 is cool but Layer 3 ...
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 ...
Computerworld

The Session Layer: Understanding layer 5 of the OSI Model

According to the OSI Model, the session layer is where connections are established, managed, and torn down. For connection-oriented network protocols, understanding how the session layer works, and ...
EDN

Guide to Embedded Systems Architecture – Part 3: Transport layer (UDP) and embedded Java and networking middleware examples

The two most common transport layer protocols are the transmission control protocol (TCP) and the user datagram protocol (UDP). One of the main differences between the two protocols is reliability.