Rafael Skodlar wrote:

> I would not want to rely on UDP for real time applications unless it's 
> used on an isolated network with a limited number of well behaving 
> nodes.
Yes, you would have to do it that way.

> 
> Gigabit ethernet would be better but then which microcontroller will be 
> able to run with it? 32 bit only:
> http://www.freescale.com/webapp/sps/site/application.jsp?nodeId=0220502E112E1F
> 
This gets quite expensive, at least for a while still.
> How about using some other bus for real time applications? I'm sure 
> there is a better bus for the price (CAN?)
I think CAN is much slower, and the hardware support is at a 
MUCH lower level.  It isn't much more sophisticated than a UART, 
thus software overhead.

Jon

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