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

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

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On 25/04/2010 23:53, Mark Smith wrote:
> On Sun, 25 Apr 2010 16:17:21 +0100
> Tony Hoyle <tony () hoyle me uk> wrote:
>
> On 25/04/2010 03:01, Mark Smith wrote:
> > > > I'm a typical, fairly near future residential customer. I have a NAS
> > > > that I have movies stored on. My ISP delegates an IPv6 prefix to me with
> > > > a preferred lifetime of 60 minutes, and a valid lifetime of 90 minutes
>
> What ISP would put a 'lifetime' on your ipv6 prefix?
>
> > Because they loan it to you while you are their customer. Unless you
> > get PI, you don't 'own' your addresses, so you can't take them with
> > you when you change ISPs. In IPv4 a lifetime is implicit, which might be
> > as long/short as while your current connection is up, in IPv6 it is
> > explicit.
That's not what 'lifetime' means in this discusion.  They're talking
about v6 addresses changing when you're with the same provider - indeed,
when logged into the same link even.  That's insane.

A change of ISP is a major change.  Your ipv4 addresses will change as
well if you change ISP.

As you say, if you don't want them to change get PI space.  v6 and v4
are no different in this respect.

Tony

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