Why internet and its protocols are dominate over OSI Model?
Basically the Internet Model is based off the OSI model and while it has less layers, they work on the same principal. Internet Model: TCP/IP Model Application Layer Transport Layer Internet Layer Network Interface Layer OSI Model: 7 Application SSH, telnet, FTP 6 Presentation HTTP, SMTP, SNMP 5 Session RPC, Named Pipes, NETBIOS 4 Transport TCP, UDP 3 Network IP 2 Data Link Ethernet 1 Physical Cat-5 Hope this helps you.