This article listsprotocols, categorized by the nearest layer in theOpen Systems Interconnection model. This list is not exclusive to only theOSI protocol family. Many of these protocols are originally based on theInternet Protocol Suite (TCP/IP) and other models and they often do not fit neatly into OSI layers.
- Telephone networkmodems
- IrDA physical layer
- USB physical layer
- EIARS-232,EIA-422,EIA-423,RS-449,RS-485
- Ethernet physical layer10BASE-T,10BASE2,10BASE5,100BASE-TX,100BASE-FX,1000BASE-T,1000BASE-SX and other varieties
- Varieties of802.11Wi-Fi physical layers
- DSL
- ISDN
- T1 and otherT-carrier links, and E1 and otherE-carrier links
- ITU Recommendations: seeITU-T
- IEEE 1394 interfaces
- TransferJet
- Etherloop
- ARINC 818 Avionics Digital Video Bus
- G.hn/G.9960 physical layer
- CAN bus (controller area network) physical layer
- Mobile Industry Processor Interface physical layer
- Infrared
- Frame Relay
- FO Fiber optics
- X.25
- ARP Address Resolution Protocol
- MPLS Multiprotocol Label Switching
- PPPoE Point-to-Point Protocol over Ethernet
- TIPC Transparent Inter-process Communication
Layer 3+4 (Protocol Suites)
[edit]- AEP AppleTalk Echo Protocol
- AH Authentication Header over IP or IPSec
- DCCP Datagram Congestion Control Protocol
- ESP Encapsulating Security Payload over IP or IPSec
- FCP Fibre Channel Protocol
- IL Originally developed as transport layer for9P
- iSCSI Internet Small Computer System Interface
- NetBIOS NetBIOS, File Sharing and Name Resolution
- NBF NetBIOS Frames protocol
- NBP Name Binding Protocol {for AppleTalk}
- QUIC
- SCTP Stream Control Transmission Protocol
- Sinec H1 for telecontrol
- TUP, Telephone User Part
- SPX Sequenced Packet Exchange
- TCPTransmission Control Protocol
- UDPUser Datagram Protocol
- VXLAN Virtual eXtensible LAN
This layer, presentation Layer and application layer are combined inTCP/IP model.
- 9P Distributed file system protocol developed originally as part ofPlan 9
- ADSP AppleTalk Data Stream Protocol
- ASP AppleTalk Session Protocol
- H.245 Call Control Protocol for Multimedia Communications
- iSNS Internet Storage Name Service
- NetBIOS, File Sharing and Name Resolution protocol - the basis of file sharing with Windows.
- NetBEUI, NetBIOS Enhanced User Interface
- NCP NetWare Core Protocol
- PAP Printer Access Protocol
- RPC Remote Procedure Call
- RTCP RTP Control Protocol
- SDP Sockets Direct Protocol
- SMB Server Message Block
- SMPP Short Message Peer-to-Peer
- SOCKS "SOCKetS"
- ZIP Zone Information Protocol {For AppleTalk}
- This layer provides session management capabilities between hosts. For example, if some host needs a password verification for access and if credentials are provided then for that session password verification does not happen again. This layer can assist in synchronization, dialog control and critical operation management (e.g., an online bank transaction).
- TLS Transport Layer Security[2]
- SSL Secure Socket Tunneling[2]
- AFP Apple Filing Protocol[2]
- Independent Computing Architecture (ICA), the Citrix system core protocol
- Lightweight Presentation Protocol (LPP)[2]
- NetWare Core Protocol (NCP)
- Network Data Representation (NDR)[2]
- Tox, The Tox protocol is sometimes regarded as part of both the presentation and application layer
- eXternal Data Representation (XDR)[2]
- X.25 Packet Assembler/Disassembler Protocol (PAD)
Protocol description languages
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