Léon Brocard acme at
Fri Sep 18 07:45:39 BST 2009

2009/9/17 Oliver Gorwits <oliver.gorwits at>:

> I'm not very familiar with Skype at all, but my understanding was
> that it is peer to peer in essence, if firewalls permit. If the
> firewalls don't permit, then so-called "supernodes" are used to
> relay calls, which are simply clients with more permissive firewall
> configs.

Wow, there have been a lot of vague opinions about Skype on this
thread. Luckily, people have done research on Skype:

"An Analysis of the Skype Peer-to-Peer Internet Telephony Protocol"
being the interesting one.

My point of view is that I think Skype is proprietary and would prefer
a more open approach but most VOIP things fail to get out of firewalls
or NATs whereas Skype Just Works.

Oh, and we won't spam the list, don't worry, Léon

More information about the mailing list