On 11/06/2012 06:45 AM, Brian E Carpenter wrote:
>> If you generate your addresses according to traditional SLAAC, and the
>> advertised autoconf pprefix is always the same, where's the renumbering?
> 
> At least for a homenet or small office buying basic service,
> there's no guarantee you will get the same prefix back if you
> power cycle your CPE.

For a home net, do you really want to use IPv6 addresse, or wuld you
rather use DNS/mDNS?



>> The point is, if you're updating the DNS entiries anyway, why would you
>> care about the special magic (i.e., tokenized IIDS)? -- the meat seems
>> to the in the renumbering case.
> 
> Site managers of enterprise networks like predictability, and
> they don't want things to change in the case of a swap of the
> physical server, and of course they don't want to manually
> configure an IPv6 address on the new box.

They will have to configure the tokenized IIDs, anyway. - again, I think
the meat is in the renumbering case.


>> I'd set the DNS aside -- at least this I-D doesn't mention any mechanism
>> to notify the DNS of the updated *prefix* (and you probably wouldn't
>> want that, anyway).
> 
> It's a separate problem, but yes, I would want it automated (and
> secure, of course). 

So far there's no support for that in the DNS, is it?

Cheers,
-- 
Fernando Gont
SI6 Networks
e-mail: fg...@si6networks.com
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492




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