On Mon, 26 Apr 2010 00:46:17 +0100 Tony Hoyle <tony@hoyle.me.uk> wrote:
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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.
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?
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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