List of network protocols

Layer 1 protocols (Physical Layer)

1) ADSL- Asymmetric Digital Subscriber Line
2) ISDN- Integrated Services Digital Network
3) PDH- Plesiochronous Digital Hierarchy
4) RS-232
5) SDH- Synchronous Digital Hierarchy
6) SONET- Synchronous Optical NETworking

Layer 1+2 protocols

1) Ethernet
2) GFP- Generic Framing Procedure
3) OTN- Optical Transport Network(Optical Channel Wrapper or Digital Wrapper Technology)

Layer 2 protocols (Data Link Layer)

1) ARCnet- Attached Resource Computer NETwork
2) CDP- Cisco Discovery Protocol
3) DCAP- Data Link Switching Client Access Protocol
4) DTP-Dynamic Trunking Protocol
5) Econet
6) FDDI- Fiber Distributed Data Interface
7) Frame Relay
8) ITU-T G.hn Data Link Layer
9) HDLC-- High-Level Data Link Control
10) IEEE 802.11 WiFi
11) IEEE 802.16 WiMAX
12) LocalTalk
13) L2F- Layer 2 Forwarding Protocol
14) L2TP- Layer 2 Tunneling Protocol
15) LAPD- Link Access Procedures on the D channel
16) LLDP- Link Layer Discovery Protocol
17) LLDP- MED Link Layer Discovery Protocol
18) PPP- Point-to-Point Protocol
19) PPTP- Point-to-Point Tunneling Protocol
20) Q.710 Simplified Message Transfer Part
21) NDP-Neighbor Discovery Protocol
22) RPR- IEEE 802.17 Resilient Packet Ring
23) SLIP- Serial Line Internet Protocol (obsolete)
24) StarLAN
25) STP- Spanning Tree Protocol
26) Token ring is not a protocol but is a topology
27) VTP- VLAN Trunking Protocol

Layer 2+3 protocols

1) ATM- Asynchronous Transfer Mode
2) Frame relay
3) MPLS- Multi-protocol label switching
4) X.25
5) ARP- Address Resolution Protocol
6) RARP- Reverse Address Resolution Protocol

Layer 1+2+3 protocols

1) MTP- Message Transfer Part
2) NSP- Network Service Part

Layer 3 protocols (Network Layer)

1) CLNP- Connectionless Networking Protocol
2) EGP- Exterior Gateway Protocol
3) EIGRP- Enhanced Interior Gateway Routing Protocol
4) ICMP- Internet Control Message Protocol
5) IGMP- Internet Group Management Protocol
6) IGRP- Interior Gateway Routing Protocol
7) IPv4- Internet Protocol version 4
8) IPv6 -Internet Protocol version 6
9) IPSec- Internet Protocol Security
10) IPX- Internetwork Packet Exchange
11) SCCP- Signalling Connection Control Part
12) AppleTalk DDP

Layer 3 protocols (Network Layer management)

1) IS-IS-- Intermediate System-to-Intermediate System
2) OSPF- Open Shortest Path First
3) BGP- Border Gateway Protocol
4) RIP- Routing Information Protocol
5) ICMP- Router Discovery Protocol: Implementation of RFC 1256
6) GDP- Gateway Discovery Protocol

Layer 3.5 protocols

1) HIP Host Identity Protocol

Layer 3+4 protocol suites

1) Xerox Network Systems

Layer 4 protocols (Transport Layer)

1) AHAH Authentication Header over IP or IPSec
2) ESPESP Encapsulating Security Payload over IP or IPSec
3) GRE Generic Routing Encapsulation for tunneling
4) IL Originally developed as transport layer for 9P
5) SCTP Stream Control Transmission Protocol
6) Sinec H1 for telecontrol
7) SPX Sequenced Packet Exchange
8) TCP Transmission Control Protocol
9) UDP User Datagram Protocol

Layer 5 protocols (Session Layer)

1) 9P Distributed file system protocol developed originally as part of Plan 9
2) NCP NetWare Core Protocol
3) NFS Network File System
4) SMB Server Message Block
5) SOCKS "SOCKetS"

Other protocols

1) Controller Area Network (CAN)
2) Common Industrial Protocol (CIP)
3) Digital Command Control (DCC)
4) Financial Information eXchange (FIX)
5) I²C
6) modbus
7) DECnet protocol family from Digital Equipment Corporation (now HP)
8) Service Location Protocol SLP
9) Service Advertising Protocol SAP

Layer 7 protocols (Application Layer)

1) AFP Apple Filing Protocol
2) BACnet Building Automation and Control Network protocol
3) BitTorrent A peer-to-peer file sharing protocol
4) BOOTP Bootstrap Protocol
5) Diameter an authentication, authorization and accounting protocol
6) DICOM includes a network protocol definition
7) DICT Dictionary protocol
8) DNS Domain Name System
9) DHCP Dynamic Host Configuration Protocol
10) ED2K A peer-to-peer file sharing protocol
11) FTP File Transfer Protocol
12) Finger which gives user profile information
13) Gnutella a peer-to-peer file-swapping protocol
14) Gopher a hierarchical hyperlinkable protocol
15) HTTP Hypertext Transfer Protocol
16) IMAP Internet Message Access Protocol
17) IRC Internet Relay Chat
18) ISUP (ISDN User Part)
19) XMPP
20) LDAP (Lightweight Directory Access Protocol)
21) MIME (Multipurpose Internet Mail Extensions)
22) MSNP (Microsoft Notification Protocol (used by Windows Live Messenger)
23) MAP (Mobile Application Part)
24) NetBIOS (File Sharing and Name Resolution protocol)
25) NNTP (News Network Transfer Protocol)
26) NTP (Network Time Protocol)
27) NTCIP (National Transportation Communications for Intelligent Transportation System Protocol)
28) POP3 (Post Office Protocol Version 3)
29) RADIUS (authentication, authorization and accounting protocol)
30) Rlogin (UNIX remote login protocol)
31) rsync (file transfer protocol for backups, copying and mirroring)
32) RTP (Real-time Transport Protocol)
33) RTSP (Real-time Transport Streaming Protocol)
34) SSH (Secure Shell)
35) SISNAPI (Siebel Internet Session Network API)
36) SIP (Session Initiation Protocol)
37) SMTP (Simple Mail Transfer Protocol)
38) SNMP (Simple Network Management Protocol)
39) SOAP (Simple Object Access Protocol)
40) STUN (Session Traversal Utilities)
41) TUP (Telephone User Part)
42) Telnet remote terminal access protocol)
43) TCAP (Transaction Capabilities Application Part)
44) TFTP (Trivial File Transfer Protocol, a simple file transfer protocol)
45) WebDAV (Web Distributed Authoring and Versioning)
46) DSM-CC (Digital Storage Media Command and Control)

Posted in: Technical