One of the keys to low-power push system is the ability to manage the radio. It is obviously much easier, if you have a single connection that you manage, know

One of the keys to low-power push system is the ability to manage the radio. It is obviously much easier, if you have a single connection that you manage, know when it is possible to drop it, or when to send the heartbeat. Once multiple processes start doing it, without cooperating together, your battery is going to be shot. Apps also should never send anything private over push notification. It should be only a ping to the app, to check it's event source.