39 ms·
> With IPv6, after registering through an app with a server, the server can just send a UDP packet to the open port? That's your problem, if the radio is off a
by ucaetano 8y ago
> With IPv6, after registering through an app with a server, the server can just send a UDP packet to the open port?
That's your problem, if the radio is off and you're using UDP, the message will simply be lost. You can leave the radio on permanently, but you'll kill the battery.