I have a couple of devices that need to connect to the mothership, as a matchmaker between the device and its client app. NAT and firewalls are a big part of t

I have a couple of devices that need to connect to the mothership, as a matchmaker between the device and its client app. NAT and firewalls are a big part of the reason, as is the need to have a way to locate the device in the absence of a static address or domain name. Sure, it's possible to work around these obstacles without a mothership, but doing so makes it too difficult for most mass market consumers.