Something like "reamote" For Ardour

Will a similar feature be available for Ardour in the future? Could also be useful on the Mixbus side.

netJack lets you connect audio to other computers over the network:

How do I use JACK over a network? | JACK Audio Connection Kit

And QmidiNet/QmidiCtl might be what you need for MIDI over the network:

Projects | rncbc.org

EDIT: And I just remembered zita-njbridge. If I recall it right, Fons Adriansen use this for transportin audio from the concert hall to another room in a concert hall venue.

GitHub - digital-stage/zita-njbridge: Jack clients to transport multichannel audio over a local network.