CAN Bus specification

hello everybody,

I have never used or came across CAN (Controller Area Network) I tried to collect some information about it. I found it to be more commonly used in the industry, automotive domain. I saw an example that show its use in cars to exchange information between different electronic components I want to know how it does communicate.

I found CAN specification http://esd.cs.ucr.edu/webres/can20.pdf I am reading this but I do not understand what is happening. I...

CAN Bus specification