IR

= Infrared =

Not strictly speaking a bus, it allows the transmission of data as Invisible light, similar to a remote control for a house hold appliance.  the core IrDA protocol layers including: A description of important session layer protocols including:  Good explanation of IR can be found at gnokii-IrDA-Linux
 * The infrared physical layer
 * Controllers, drivers and framers
 * IrLAP: The IrDA Link Access Protocol ([Linux])
 * IrLMP: The IrDA Link Management Protocol
 * TinyTP: The IrDA Tiny Transport Protocol
 * IAS: The IrDA Information Access Service
 * IrDA Lite strategies
 * IrCOMM and IrLPT: Legacy support for serial and parallel communications ([Linux] modules)
 * IrOBEX: IrDA Object Exchange ([Linux] applications)
 * IrFM: Infrared Financial Message exchange