>What that has done of course is stifled any upgrades or
>improvements to CAN and it's stayed at 2.0B now for almost
>20 years.  Not bad for a protocol and as a result that
>stability has it installed in millions of products
>world wide including outside the world in space.

I can vouch for that. Smart-1 (that got pranged into the moon last Sept) 
used 2 CAN busses that I am aware of, one for system bus and one for payload 
bus. The instrument I am currently working on also uses CAN as its payload 
bus, as it is a development of the instrument we had on Smart-1. 

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