Re: Send data using tcp/udp to devices behind NAT - UDP Hole Punching

[Ross Bencina <rossb-lists@...>]

On 24/02/2012 8:39 PM, Peter Pimley wrote:
> Bear in mind that NAT negotiation is an imprecise art.  You're relying
> on features and quirks of the routers at each end of the connection.
>   What works for one pair of players might not work for another.  The
> best you can ever hope for is that it works most of the time.

True. Robust systems may route through intermediate clients (pretty sure 
Skype does this), or fall back to routing through a mutually visible 
public server, or even fall back to TCP via a public server.

Ross.