p2psp team mailing list archive

[Vicente Gonzalez <vicente.gonzalez.ruiz@xxxxxxxxx>]

On Wed, May 20, 2015 at 9:59 PM Max Mertens <max.mail@xxxxxxxxxx> wrote:

> Hi Vicente,
>
> On 20.05.2015 10:28, Vicente Gonzalez wrote:
> > Yes, the splitter works like a STUN server. When a peer wants to join
> > the team, the splitter sends to the new peer the list of peers of the
> > team. But notice that this list will be useful, only of the peers are
> > not behind symmetric NATs, because the public port that the splitter
> > sees of a symmetric NAT-ed peer will be different of the public port
> > that the incomming peer will see of the a symmetric NAT-ed peer.
> Great, thanks for the explanation. Well yes, in case of a symmetric NAT
> the only possibility seems to be port prediction by several successive
> STUN/splitter accesses (though chownat claims to work without such
> techniques; let's see).
>

Please, check also (although the text isn't very accurate):

http://www.ual.es/~vruiz/Investigacion/P2PSP/docs/main/WhitePaper/HTML/indexsu9.xht#x18-140004.9

Regards,
Vi.