[p2p-hackers] UDP Hole Punching through Symmetric NATs

[Alex Pankratov]

David Barrett wrote:

> In theory it can get you better than 82% success ratio of hole punching, 
> but I'm not sure if it gets you only to 85% or 90% or 99% or what.  Do 
> you know of any success (or failure) stories of hole punching through 
> symmetric NATs in the real world?

We have few thousand online clients and the successful tunnel mediation
rate of about 97%. And we know how to further improve it by another
1% to 1.5%. I cannot share any technical details, but this should give
you confidence that it *is* doable :)

Alex