| Layer | Function | Devices | Protocols | |||
| TCP/IP Suite | Novell | |||||
| 7 | Application | User Interface | HTTP, SHTTP, FTP, TFTP, SMTP, IMAP, POP3, NNTP, SNMP, TELNET, NTP | NDS | ||
| 6 | Presentation | Format/Code Conversion | (API's) | NCP, BMP | ||
| 5 | Session | Manages Connections for Application Programs | NETBIOS, SSL | NETBIOS, SAP | ||
| 4 | Transport | Error Free End-to-End Delivery | Layer4 Switch | TCP, UDP | SPX | NETBEUI |
| 3 | Network | InterNetwork Addressing and Routing | Router, Layer3 Switch | IP, DHCP, BGP, RIP, OSPF, ICMP, PPTP | IPX, WDOG, SERIAL, DIAG, BCAST, RIPX | |
| 2 | Data-Link | Local Addressing and Error Detection | Bridge, Layer2 Switch | ARP, LCP, PPP Suite, IEEE 802.X Protocols | LLC | |
| 1 | Physical | Physical Signalling and Interfacing | Repeater, Hub, NIC, MODEM | |||
| NOTES: | ||||||
| 1) The Protocols listed are not comprehensive; for more info see www.protocols.com | ||||||
| 2) IEEE 802.X standards are implemented as Layer 1 hardware interfaces and Layer 2 protocols | ||||||
| The protocols communicate with existing Layer 2 Link Control Protocols. | ||||||