Layer	Misc. examples	TCP/IP suite	SS7	AppleTalk suite	OSI suite	IPX suite	SNA	UMTS
7 - Application	HL7, Modbus, SIP	HTTP, SMTP, SNMP, FTP, Telnet, NFS, NTP	ISUP, INAP, MAP, TUP, TCAP	AFP, PAP	FTAM, X.400, X.500, DAP		APPC
6 - Presentation	TDI, ASCII, EBCDIC, MIDI, MPEG	XDR, SSL, TLS		AFP, PAP
5 - Session	Named Pipes, NetBIOS, SAP, SDP	Session establishment for TCP		ASP, ADSP, ZIP		NWLink	DLC?
4 - Transport	NetBEUI	TCP, UDP, RTP, SCTP		ATP, NBP, AEP, RTMP	TP0, TP1, TP2, TP3, TP4, OSPF	SPX, RIP
3 - Network	NetBEUI, Q.931	IP, ICMP, IPsec, ARP, RIP, BGP	MTP-3, SCCP	DDP	X.25 (PLP), CLNP	IPX		RRC (Radio Resource Control)
2 - Data Link	Ethernet, Token Ring, FDDI, PPP, HDLC, Q.921, Frame Relay, ATM, Fibre Channel		MTP-2	LocalTalk, TokenTalk, EtherTalk, Apple Remote Access, PPP	X.25 (LAPB), Token Bus	802.3 framing, Ethernet II framing	SDLC	MAC (Media Access Control)
1 - Physical	RS-232, V.35, V.34, Q.911, T1, E1, 10BASE-T, 100BASE-TX, ISDN, SONET, DSL		MTP-1	Localtalk on shielded, Localtalk on unshielded (PhoneNet)	X.25 (X.21bis, EIA/TIA-232, EIA/TIA-449, EIA-530, G.703)		Twinax	PHY (Physical Layer)