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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A networking topology choice that is easily misunderstood. There are many questions that come to ...

There is little argument that a defense in depth model is the best way to safeguard the enterprise, but which layer is most critical? Some would say the application layer will ultimately emerge as the ...

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.