TCP/IP Services

Most TCP/IP services are client-server applications that use the TCP/IP protocol as their communication mechanism.
Client-server applications are those that are based on a central server that stores information and serves requests made by clients.
The TCP/IP services are based on the application layer protocols that provide information for delivery by TCP/IP.
Some of the TCP/IP services are:
SMTP - Simple Mail Transfer Protocol
HTTP - Hyper Text Transfer Protocol
FTP - File Transfer Protocol
NNTP - Network News Transfer Protocol
SNMP - Simple Network Management Protocol