Explaining 8 Popular Network Protocols in 1 Diagram. The method to download the high-resolution PDF is available at the end. . -- Subscribe to our weekly newsletter to get a Free System Design PDF (158 pages): https://bit.ly/3KCnWXq Network protocols are standard methods of transferring data between two computers in a network. 1. HTTP (HyperText Transfer Protocol) HTTP is a protocol for fetching resources such as HTML documents. It is the foundation of any data exchange on the Web and it is a client-server protocol. ...