Describe network protocols : Creating Simple TCP Echo Server

The video tutorial explains the basics of TCP protocol, focusing on its features like connection handling and package reordering. It guides on creating a server socket, managing input and output streams, and how TCP optimizes data transmission. The tutorial demonstrates setting up an application to accept connections and using TELNET clients to connect to a server. It also touches on handling multiple client connections and concludes with a preview of further development in the next video.

Explain how the TELNET client interacts with the TCP server application.

What error message is displayed when the application is stopped, and what does it indicate?