java - Android - Over 3g which ports to use and is TCP best connection method? -

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As a communication method, TCP gets more data from 3G than many Android devices through many android devices The best way to get it? Are there also ports recommended for use for 3G data transfer?

I want to refuse to use a web service mediator because I want this app to be decentralized.

Cheers, James

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Looking at your "any web service" limit, 3G may be useless for many mobile carriers, NATs and related technologies Use, so to create a direct socket connection between the two devices Oi guarantee is not true to the same Wi-Fi - many WiFi router using nets, assign private IP addresses, except the direct socket connection without having to modify the router.


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