[96902] in North American Network Operators' Group
Re: IPv6 Advertisements
daemon@ATHENA.MIT.EDU (William F. Maton Sotomayor)
Tue May 29 12:27:49 2007
Date: Tue, 29 May 2007 11:41:35 -0400 (EDT)
From: "William F. Maton Sotomayor" <wmaton@ryouko.imsb.nrc.ca>
Reply-To: wmaton@ryouko.imsb.nrc.ca
To: Donald Stahl <don@calis.blacksun.org>
Cc: "Chris L. Morrow" <christopher.morrow@verizonbusiness.com>,
nanog@nanog.org
In-Reply-To: <20070529105934.I13386@calis.blacksun.org>
Errors-To: owner-nanog@merit.edu
On Tue, 29 May 2007, Donald Stahl wrote:
>>> That said- ARIN is handing out /48's- should we be blocking validly
>>> assigned networks?
>>
>> your network might have to to protect it's valuable routing slots. There
>> are places in the v4 world where /24's are not carried either. So, as Bill
>> said just cause you get an allocation doesn't mean you can assure
>> routability of it everywhere.
> I understand the problems but I think there are clear cut cases where /48's
> make sense- a large scale anycast DNS provider would seem to be a good
> candidate for a /48 and I would hope it would get routed. Then again that
> might be the only sensible reason...
f-root does this on the IPv6 side: 2001:500::/48
Whether that's available everywhere on IPv6 networks, is as Bill
pointed-out, another question.
wfms
