[ipv6hackers] opportunistic encryption in IPv6

[Eugen Leitl]

On Wed, Jun 12, 2013 at 05:16:02PM +0200, Eugen Leitl wrote:

> How much latency penalty does BTNS add to your session, both
> for cases where the opposite system supports BTNS and
> when it does? Is there a significant difference between
> IPv4 and IPv6 here, or is that below detectability threshold
> (say, <5 ms added).

One thing I forgot: carrier-grade NAT breaks BTNS, right?