[Re: http://tools.ietf.org/search/draft-hain-ipv6-ulac-01]
Tony Hoyle
tony at hoyle.me.uk
Mon Apr 26 12:27:41 UTC 2010
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On 26/04/2010 08:08, Mark Smith wrote:
>
>> How much do you understand about IPv6 addressing? Are you aware that
>> IPv6 addresses have explicit preferred and valid lifetimes, and
>> therefore they can change over time?
Only via privacy extensions.. and I always switch them off as they're a
pain in the neck. Even with those they don't change the prefix.
My /48 is allocated to me.. In no sane world would that suddenly
change, unless I did something major like change ISP, any more than my
v4 address would suddenly change.
You're trying to say ipv6 prefixes change randomly over time - just
think of the implications if that could happen... even basic things like
firewalling would become a nightmare.
Tony
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