Simple Service Discovery Protocol, A discovery protocol employed by UPnP TCAP, Transaction Capabilities Application Part Universal Plug and Play DHCP Dynamic Host Configuration Protocol DNS Domain Name System BOOTP Bootstrap Protocol HTTP Hyper Text Transfer Protocol HTTPS NFS POP3 Post Office Protocol SMTP SNMP FTP NTP IRC Telnet Tele Communication Protocol SSH TFTP IMAP Gemini Other protocols Controller Area Network Protocol description languages Abstract Syntax Notation One (ASN.1) See also List of automation protocols Systems Network Architecture (SNA) developed by IBM Distributed Systems Architecture (DSA) developed by Honeywell-Bull Distributed System Security Architecture (DSSA) OSI Model References Further reading External links Protocol Encapsulation Chart - A PDF file illustrating the relationship between common protocols and the OSI Reference Model. Network Protocols Acronyms and Abbreviations - list of network protocols with abbreviations order by index. Network protocols OSI