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I'm developing an application for iOS which is connecting through TCP sockets to a server aplication run on Android. In order to find the IP of the 2nd device I use a UDP request and receive the IP of the server.

It's working well all the time when I'm connecting them to Wi-Fi network or when I use the Android device as a hotspot to the iPhone. But if I want to make the iOS device a personal hotspot, I can't reach connection between the two devices and the app is useless in this regime. Is it possible to connect the devices then and is the algorithm the problem? I would be glad to hear if someone has ever had a similar problem and knows the solution.

WWJD
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    Could it be because the personal hotspot introduces Network Address Translation? – 200_success May 08 '14 at 08:16
  • @WWJD: Did you ever solve your problem? I have posted a related query at http://stackoverflow.com/questions/28795808/network-broadcast-multicast-not-sent-by-iphone-in-personal-hotspot-mode. – Moshe Rubin Mar 02 '15 at 04:35

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