[LINK] CNN, Octoshape and Obama

Karl Auer kauer at biplane.com.au
Mon Feb 9 14:02:56 AEDT 2009


On Mon, 2009-02-09 at 12:47 +1100, Richard Chirgwin wrote:
> Karl Auer wrote:
> > I don't know for sure, but it seems to me that the only way Skype can
> > work is to use (abuse?) the good offices of people with non-NAT
> > connections.
> >   
> I think, from reading various analyses of the Skype protocol, that it's
> designed to work around NAT. It has, I think, a proprietary
> equivalent to STUN, so that it can traverse the firewall.


> <http://www1.cs.columbia.edu/~library/TR-repository/reports/reports-2004/cucs-039-04.pdf>

Egad, I was right! From that article:

"A super node is an ordinary host’s end-point on the
Skype network. Any node with a public IP address having
sufficient CPU, memory, and network bandwidth is a candidate to
become a super node."

Regards, K.

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Karl Auer (kauer at biplane.com.au)                   +61-2-64957160 (h)
http://www.biplane.com.au/~kauer/                  +61-428-957160 (mob)

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