[83142] in North American Network Operators' Group
Re: /8 end user assignment?
daemon@ATHENA.MIT.EDU (Michael Loftis)
Fri Aug 5 12:24:55 2005
Date: Fri, 05 Aug 2005 10:20:13 -0600
From: Michael Loftis <mloftis@wgops.com>
To: NANOG list <nanog@merit.edu>
In-Reply-To: <20050805105007.GA7718@cluecentral.net>
X-MailScanner-From: mloftis@wgops.com
Errors-To: owner-nanog@merit.edu
--On August 5, 2005 12:50:08 PM +0200 Sabri Berisha <sabri@cluecentral.net>
wrote:
>
> On Fri, Aug 05, 2005 at 12:05:08PM +0200, Iljitsch van Beijnum wrote:
>
> Hi,
>
>> I'm not sure how much room additional AAAA records take up, but I
>> think it's a little under 30 bytes. At this rate, there is no way
>> you're going to run out of 512 bytes with less than 10 AAAA records.
>> Then there is EDNS0, and failing that, TCP.
>
> With the use of anycast DNS servers on the internet, TCP is no longer an
> option for DNS.
Most of us aren't using anycast DNS....for those that are, they know the
limitations and problems they face.
Though, realistically, for most people I'd bet it's a non-issue anyway.
Most replies, including glue/additionals are probably far less than the
links packet size in most places. There are exceptions. There are always
exceptions. :)
