[p2p-hackers] Skype's "Global Index"

Enzo Michelangeli em at em.no-ip.com
Wed Dec 15 03:05:32 UTC 2004


----- Original Message ----- 
From: "Brad Neuberg" <bkn3 at columbia.edu>
To: "Peer-to-peer development." <p2p-hackers at zgp.org>
Sent: Wednesday, December 15, 2004 9:24 AM

> I found a presentation where some researchers seem to have reverse
> engineered some of the Skype protocol.  Thought others might find this
> useful:
>
> http://mnet.cs.nthu.edu.tw/paper/Chance/041125.pdf

Thanks Brad, a very interesting document: it appears to confirm that the
login server is centralized under Skype Inc.'s control.

By the way, in matters of NAT traversal, does anybody know of any
opensource implementation of TURN
(http://www.ietf.org/internet-drafts/draft-rosenberg-midcom-turn-06.txt )?
Vovida seems to provide only an implementation of STUN, which only works
with a subset of NATting devices but provides no relaying for the rest of
them.

Enzo



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