Happy to see UDP being used here, because it means that networks that don't properly support UDP are now "broken." There was for a time a risk that the Interne

Happy to see UDP being used here, because it means that networks that don't properly support UDP are now "broken." There was for a time a risk that the Internet would become a HTTP-only network (at least at the endpoint) supporting TCP to port 80 and 443 and not a lot else. Really. I've seen networks like this.