The 7 layers of OSI Model: The contemporary Internet is not based on OSI but the simpler IP model. However, the OSI 7-layer model is still extensively used, as it helps imagine and communicate how ...

Spread the loveThe OSI (Open Systems Interconnection) model is a conceptual framework used to describe the communication functions of a network. It consists of seven layers, each of which performs a ...

The Application layer is the last layer of OSI model. It is responsible for some of the famous protocols like HTTP, SNMP, SMTP, Telnet etc. Know in detail ...

Most IT users will be familiar by now with the idea of `the software-defined something or other’. Indeed, there vendors that already talked about software-defined everything, which really should cover ...

The application layer in the TCP/IP stack, and its equivalent layers in the OSI model, deals with session management and applications executed on the equipment.

The Internet Protocol layer is comparable to layer 3 in the OSI model. The host-to-host layer is equivalent to OSI layer 4. These are the TCP and UDP (user datagram protocol) functions.

It’s important to understand that the TCP Reference Model doesn’t really concern itself with the OSI Model. With TCP traffic, the connections are established at the transport layer .

As a matter of fact, when I started writing this post I titled it “Layer 4 of the OSI Model – understanding the application layer,” and then I had to go back and correct myself.