tcp - vb.net - how create p2p connection without port forwarding (over internet)? -

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first sorry bad english. :)

i'm trying create p2p chat based on ip address , client application in vb.net.

here tutorial used base chat forms, or similar codes i need port forward connection port in router send/receive messages. there other way create based on ip address , chat client app? skype, old god msn messenger?

so without port forwarding , without server side app, want directly client client connection.

i found similar questions here, this, know how create that? give example or something?

thank you.


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