Re: [Re: http://tools.ietf.org/search/draft-hain-ipv6-ulac-01]

[Tony Hoyle <tony () hoyle me uk>]

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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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