im wondering if it’s possible to create p2p chat application without server(so there is no need in external static ip.Is it true?)?
im wondering if it’s possible to create p2p chat application without server(so there is
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im wondering if it’s possible to create p2p chat application without server(so there is no need in external static ip.Is it true?)?
EddieC is right if the computers are located inside the same sub-network (LAN) or if the computers’ip is their interface to the Internet (WAN public ip). In that case, you can just use the ip’s and ports directly.
However, usually, knowing the computers ip is not enough because the machines are located behind routers inside sub-networks. Thus, because the computers are hidden behind the routers, you will have to configure the routers to foward the packets to the right computers as function of the ports used.
Have a look at : http://wiki.vuze.com/w/Port_forwarding
If you do not want to use ip’s because they are dynamic, you can configure urls with Dynamic DNS services.
Good luck