[157280] in North American Network Operators' Group
Re: DNS caches that support partitioning ?
daemon@ATHENA.MIT.EDU (Florian Weimer)
Sun Oct 14 04:15:18 2012
From: Florian Weimer <fw@deneb.enyo.de>
To: "John Levine" <johnl@iecc.com>
Date: Sun, 14 Oct 2012 10:14:56 +0200
In-Reply-To: <20120817161309.86830.qmail@joyce.lan> (John Levine's message of
"17 Aug 2012 16:13:09 -0000")
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
* John Levine:
> Are there DNS caches that allow you to partition the cache for
> subtrees of DNS names? That is, you can say that all entries from
> say, in-addr.arpa, are limited to 20% of the cache.
You can build something like that using forwarders and most DNS
caches. But it won't result in an exact split because cross-subtree
CNAMEs and DNS delegations will cause caching outside the subtree.
However, for in-addr.arpa, that's probably what you want anyway.
