A COMPARISON OF VARIOUS AUTOMOBILE NETWORKING STANDARDS
Name	Protocol specification	Interface	Type	Speed (kbits/s)	Comment
J1850	Yes	1 wire	Control	41.6	Proprietary implementations.
CAN	Yes	No	Control	Variable	General protocol.
CAN-A	CAN	2 wire	Control	33, 83	Used in U.S.
CAN-B	CAN	2 wire	Control	250	Used in U.S.
CAN-C	CAN	2 wire	Control	1000	Used in U.S.
SAE J2284	CAN	2 wire	Control	500	Used for power-train control.
SAE J1939	CAN	2 wire	Control	125	Recommended Practice for Serial Control and Communications Vehicle Network Subcommittee of the Truck & Bus Electrical Committee.
SAE J2411	CAN	1 wire	Control	24	Unique to General Motors.
LIN	Yes	1 wire ISO 9141	Control	20	Master/Slave. Doesn't require crystal.
TTP/A	Yes	1 wire ISO 9141	Control	20	Master/Slave. Supports hot plug-and-play. Also supports higher speeds and fiber.
TTP/C	Yes	2 wire	X-by-wire	2000	Higher speeds possible.
Flexray	Yes	2 × 2 wire	X-by-wire	5000	Developed by Philips.
IDB-C	CAN	2 wire	Multimedia	250	Developed by the IDB Forum.
IEEE 1394	Yes	2 wire	Multimedia	300,000	Being adapted to the automotive environment.
Smartwire	Yes	2 wire	Multimedia	22,000	Ring topology.
MOST	Yes	Fiber	Multimedia	25,000	Multiple master. Up to 64 devices.