dynamic or static IPv6 prefixes to residential customers

Wed Jul 27 01:10:48 UTC 2011

On Jul 26, 2011, at 8:29 PM, Matt Addison wrote:

> On Jul 26, 2011, at 20:08, Valdis.Kletnieks at vt.edu wrote:
>> There's a subtle but significant difference between what cookies give you,
>> which is "This is the same entity that visited our page at 7:48PM last
>> Tuesday", and what easily trackable IP addresses give you, which is "This is an
>> entity located at 1948 Durhof Street".
> 
> With how much identifying information user agents leak nowadays [1]
> this is almost a moot point. If you can be uniquely identified through
> the user agent- does it really matter that they can uniquely ID the
> household as well based on prefix information?

That depends on what happens when ISPs do start giving residences /48s and ARIN starts asking for the SWIP details on blocks that large.

Matthew Kaufman