Thread: STATUS_MESSAGES
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Old October 19th, 2009   #10
ericthegeek
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Join Date: Aug 2008
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> An "ACK_BUSY" (with a timer) would be rather
> useful in that instance

NACK w/ NR_BUFFER_FULL is not exactly what you're looking for, but is close enough to probably work.

RDM is not a reliable transport protocol, so any device is free to drop any packet at any time for any reason (or no reason). A well designed controller will re-try any critical requests. Still, it's generally a bad practice to design-in dropping packets. You'll see enough dropped packets in the field due to noise, bad cables, etc.; If you start deliberately dropping packets, it just makes things that much more difficult.
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