I am trying to understand the Android push notifications in deep.
As per this question, How does push notification technology work on Android?
There is an active TCP connection maintained by Google Play Services to Google servers. I am not able to find out this TCP connection.
I used an app called NetStat Plus to enumerate the TCP connections and this is what I came up with:
I have lots of GCM enabled apps but none of the connection here seems to be to Google servers.