Roon supports Devialet AIR

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I've used Roon/AIR a bit the last few months. Only wired, no problems all the way to 192kHz. I have no DSD material so I haven't tried that. Remember that AIR is still UDP so a lost packet  is most likely audible. When RAAT is in place in Experts we'll have TCP transfer of data where re-transmission of packets is part of the protocol. No more dropouts (hopefully)

You're assuming that the AIR protocol doesn't do re-transmission, I think - but perhaps it does?  Based on my investigation (albeit a long while ago), it probably has enough feedback mechanisms built in to know when packets have been lost, and there is plenty of buffering in the Dev to make that invisible to the audio renderer.