Layer | Functionality | Devices | Protocols/Services |
7 | Application Layer | Gateway | HTTP,HTTPS,Telnet,SMTP,POP3,IMAP,FTP,IRC,SSH,UUCP |
6 | Presentation Layer | ASCII,EBCDIC,JPEG | |
5 | Session Layer | NFS, Named Pipes | |
4 | Transport Layer | TCP,UDP,SPX,SCTP | |
3 | Router, Switch Layer3 | IPv4,IPv6,IPX,ICMP,IGMP,ARP,IPSec | |
2 | Data-Link Layer | Bridge, Switch | Ethernet,WiFi,HDLC,FDDI,Frame relay,PPP,ATM |
1 | Physical Layer | Hub,Repeater | RS-232,EIA,TIA-232,V.35 |
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