Another driver for v6?

Matthew Kaufman matthew at
Wed Oct 29 03:13:58 UTC 2008

Nathan Ward wrote:
> On 29/10/2008, at 3:40 PM, Steven M. Bellovin wrote:
>> According to
>> Windows 7 will have a cool feature called DirectAccess that "requires
>> deploying IPv6 and IPsec".  ...
> Thanks, Teredo.
> Interesting point, IPSEC is really useful in IPv6, especially transport 
> mode opportunistic encryption/authentication. But, that requires (in my 
> understanding) keys in DNS, which really needs a secure DNS 
> infrastructure to be, well, secure...
> ...

The new UDP-based RTMFP protocol that just shipped in Flash Player 10 
will automatically use IPv6 for both client-server (to Flash Media 
Server) and direct Flash Player-to-Flash Player communication if there 
is a working IPv6 path between the endpoints and it is at least as fast 
or faster than the IPv4 path latency-wise. (Not that there are many of 
those these days... but as they start to exist, you'll start seeing the 
traffic on them) It is also encrypted and (in some cases) authenticated.

Matthew Kaufman
matthew at

More information about the NANOG mailing list