Rate of growth on IPv6 not fast enough?

Owen DeLong owen at delong.com
Fri Apr 23 00:00:35 CDT 2010


On Apr 22, 2010, at 5:55 AM, Jim Burwell wrote:

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> On 4/22/2010 05:34, Simon Perreault wrote:
>> On 2010-04-22 07:18, William Herrin wrote:
>>> On the other hand, I could swear I've seen a draft where the PC
>>> picks up random unused addresses in the lower 64 for each new
>>> outbound connection for anonymity purposes.
>> 
>> That's probably RFC 4941. It's available in pretty much all
>> operating systems. I don't think there's any IPR issue to be afraid
>> of.
>> 
>> Simon
> I think this is different.  They're talking about using a new IPv6 for
> each connection.  RFC4941 just changes it over time IIRC.  IMHO that's
> still pretty good privacy, at least on par with a NATed IPv4 from the
> outside perspective, especially if you rotated through temporary IPv6s
> fairly frequently.

4941 specified changing over time as one possibility.  It does allow
for per flow or any other host based determination of when it needs a new
address.

Owen





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