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My Galaxy S6 lets me setup thm Email application to receive notifications from GMail server automatically when the server receives a new message. The setting is:
Set sync schedule: auto (when received)
IMPORTANT: I don't mean that my phone connects every 10 seconds to GMail server to check if there are new messages. Instead, somehow, GMail server contacts my phone directly when it has a new message. This way, my phone only that it saves bandwidth but it also knows that a new message is there INSTANTANEOUSLY.
How is this technology called?
Hi Nathan. I know that my phone has to connect to the gmail server in order to tell it 'hay, I am online'. But this is a one-time job. Not necessary to check for emails every 10 seconds in order to get the new messages (pseudo) instantly. – Ultralisk – 2016-09-16T13:56:09.853
PS: considering a package of 100 bytes (as you said) you need to send 1,048 messages in order to 'waste' 1MB :) – Ultralisk – 2016-09-16T14:00:49.380