If you have ever used WiFi at railway station or at Airport, then you might have wondered how a single WiFi network is able to span the whole area while the WiFi signal of the router at your home fades away after a few meters. Well ! they use access…

If you are making an application which requires to connect to some device on the internet over TCP connection , while you are behind a NAT ( or your application is running on localhost ), and exchange TCP raw packets between the devices, then you have landed at right place…

Vasu sharma

Wonder-er ! Wander-er ! Coder !

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