If the client is connected to port 80 of the server, all data is sent to port 80. At this time, the port in tcp protocol is 80. However,...

We know that the PDU of the application layer is a message, and finally becomes the bit stream of the physical layer to propagate, so...

Recently, I was reading the article about TCP connection. I have a doubt. I hope you can help. Where is the connection-oriented feature...