I like to think of the transport layer as the layer of the OSI Model that enables more interesting traffic. While we network engineers may love a lot of the simpler uses of the IP protocol and ...

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 ...

TCP is the building block for Layer 7 protocols, such as the HTTP. This chapter will examine the interaction between HTTP and TCP and how client and server communication at the TCP and HTTP layers are ...

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 ...

The purpose of the network layer is to help route messages between different local networks. Central to this layer is the concept of exclusive network addresses, where every terminal connected to the ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What is a network protocol? Most textbook writers state something like this: A network protocol ...

For a class project I had to code an TCP/UDP echo client and server and then capture the resulting packets using TCPDUMP. Here is the output for sending 1000 characters (1000 bytes) from a file from ...