For example, HTTP is an example of a stateless protocol layered on top of TCP, a stateful protocol, which is layered on top of IP, another stateless protocol, which is routed on a network that employs BGP, another stateful protocol, to direct the IP packets riding on the network.
Transmission Control Protocol | File Transfer Protocol | Session Initiation Protocol | User Datagram Protocol | BitTorrent (protocol) | Kyoto Protocol | Internet Protocol | Post Office Protocol | Program and System Information Protocol | Simple Network Management Protocol | Internet Message Access Protocol | Network File System (protocol) | Hypertext Transfer Protocol | Lightweight Directory Access Protocol | Secure Real-time Transport Protocol | Real-time Transport Protocol | Simple Mail Transfer Protocol | Montreal Protocol | Communications protocol | Wireless Application Protocol | SSH File Transfer Protocol | Remote Desktop Protocol | Point-to-Point Protocol | Internet protocol | Dynamic Host Configuration Protocol | tunneling protocol | Trivial File Transfer Protocol | Real Time Streaming Protocol | Proprietary protocol | Network Time Protocol |