[155602] in North American Network Operators' Group
Re: DNS caches that support partitioning ?
daemon@ATHENA.MIT.EDU (Patrick W. Gilmore)
Sat Aug 18 18:41:58 2012
From: "Patrick W. Gilmore" <patrick@ianai.net>
In-Reply-To: <alpine.LFD.2.00.1208181126260.25687@noc.prolocation.net>
Date: Sat, 18 Aug 2012 18:41:06 -0400
To: North American Operators' Group <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Aug 18, 2012, at 5:35, Raymond Dijkxhoorn <raymond@prolocation.net> =
wrote:
> Reverse DNS isnt the only issue here. There are many sites that give =
each user a subdomain. And if i look at my top talkers on some busy =
resolvers i do see that thats doing about 25-30% of the lookups =
currently.
>=20
> akamai.net, amazonaws.com and so on. All make nice use of DNS for =
this.
> Those have litterly millions of entry's in DNS also. And thats what =
currently is doing the load on resolvers...
Akamai has no "users". So not really sure what you mean by that.
There are a /lot/ of hostnames on *.akamai.net. That may have something =
to do with the 1000s of companies that use Akamai to deliver =
approximately 20% of all the traffic going down broadband modems. Which =
fits nicely in your DNS lookup percentage.
--=20
TTFN,
patrick