OSI Network Reference Model Layer 2 - Datalink

• I2C
• SPI
• Async Serial (a.k.a. RS232)
• USB
• X10
• iButton
• PSI
• ISA
• VME
• AGP

Busses

Methods:

• Encription
• Compression
• Error correction

IO@

See also:

• http://www.csdmag.com/newframe.htm

Binary data transfer protocols:

• XMODEM - the beginning. 128 byte packets.
• YMODEM - add CRC and filename negotiation. Permits downloading of multiple files with a single command.
• Zmodem - added large packets and a sliding window for full bandwidth throughput.
• SLIP
• PPP

Data transfer between processors

Interested: