Protocols
Other protocols sometimes considered at this level (though perhaps not strictly adhering to the OSI model) include:
- Apple Filing Protocol (AFP)
- Independent Computing Architecture (ICA), the Citrix system core protocol
- Lightweight Presentation Protocol (LPP)
- NetWare Core Protocol (NCP)
- Network Data Representation (NDR)
- Telnet (a remote terminal access protocol)
- eXternal Data Representation (XDR)
- X.25 Packet Assembler/Disassembler Protocol (PAD)
Read more about this topic: Presentation Layer