Round Robin and BIND
Vahric MUHTARYAN
vahric at doruk.net.tr
Tue Feb 21 08:53:47 UTC 2006
Thanks For your answers
No I'm not talking about reqursive query :) also thanks for explanation but
I know How it work but my question is sometimes bind did not make right
rotation ! sometimes it's giving same response
Thanks
Vahric
-----Original Message-----
From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org] On Behalf
Of Barry Margolin
Sent: Monday, February 20, 2006 9:38 PM
To: comp-protocols-dns-bind at isc.org
Subject: Re: Round Robin and BIND
In article <dtd4q2$2tiq$1 at sf1.isc.org>,
"Vahric MUHTARYAN" <vahric at doruk.net.tr> wrote:
> I tested to run round robin on BIND ( old version 9.2.3 I guess ) but I
saw
> that bind is sending request to nodes not equal . Anybody have a knowledge
> about this ? Maybe in new version it starts to work much better ? or any
> advise :-)
Round-robin refers to the order of the answers in a response. To see
this, do "dig yahoo.com a" several times and you'll see that the A
records are in a different order each time.
It sounds like you're talking about the order in which it selects
nameservers to send recursive queries to. That is *not* round-robin.
It remembers the response time of previous queries, and prefers servers
that respond quicker.
--
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
*** PLEASE don't copy me on replies, I'll read them in the group ***
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