the alleged evils of NAT, was Rate of growth on IPv6 not fast enough?

Mikael Abrahamsson swmike at
Tue Apr 20 11:38:33 CDT 2010

On Tue, 20 Apr 2010, John R. Levine wrote:

> Skype video chat, all the time, works fine.  Don't remember about file 
> transfer.

Whenever I am behind NAT and talk to someone else who is behind NAT skype 
seems to lower the quality, my guess it's because it now bounces traffic 
via another non-NATed node.

These kind of applications work best if there is at least one non-NATed 
party involved, especially for video etc.

Mikael Abrahamsson    email: swmike at

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