ARC has a separate app in the iOS store. The setup is done in the Roon Core settings. Im no IT person so I don't know the details. The port is opened through the Roon app. No VPN. Arc will see your Core. Requires Roon Core to be always on.Don’t disappear. Your views are entirely valid and this debate has caused me to revisit Roon to compare it now to LMS now.
I’m interested in ARC. Does anyone know how it works? Is there a VPN tunnel of some description created and is it bandwidth limited? if you broadband isn’t high enough you can’t get it? Or is it in fact simply a clone of your database that gets you files from elsewhere?