ToEatFreshBabies

Would an advanced user option to manually selected preferred network interface help? Or allow user to change priorities of network interfaces?

Why not ZeroTier? https://github.com/zerotier > You need daemons on every router between the peers BGP?

consider random name to be English pronounceable instead of garbage block of consonants like fsdvgfdsnhmm > should be different in each device ..built in part from last three octets of...

ZeroTier? https://github.com/zerotier

The xmpp nomenclature for this is Presence. > less bright green would also be nice Consider an option for color blind (not me): green>yellow, red>blue, or retain colors, but make...

Are you suggesting disabling Presence?