OSI comparision with TCP/IP Protocol Stack

OSI comparision with TCP/IP Protocol Stack

OSI # OSI Layer Name TCP/IP # TCP/IP Layer Name Encapsulation Units TCP/IP Protocols
7 Application 4 Application data FTP, HTTP, POP3, IMAP, telnet, SMTP, DNS, TFTP
6 Presentation data
5 Session data
4 Transport 3 Transport segments TCP, UDP
3 Network 2 Internet packets IP
2 Data Link 1 Network Access frames
1 Physical bits