Re: [DNSOP] interop problems with getaddrinfo() address selection

Tony Finch <dot@dotat.at> Wed, 05 December 2007 09:00 UTC

Return-path: <dnsop-bounces@ietf.org>
Received: from [127.0.0.1] (helo=stiedprmman1.va.neustar.com) by megatron.ietf.org with esmtp (Exim 4.43) id 1Izq6r-0002A6-Cm; Wed, 05 Dec 2007 04:00:01 -0500
Received: from [10.90.34.44] (helo=chiedprmail1.ietf.org) by megatron.ietf.org with esmtp (Exim 4.43) id 1Izq6q-00029r-5P for dnsop@ietf.org; Wed, 05 Dec 2007 04:00:00 -0500
Received: from ppsw-7.csi.cam.ac.uk ([131.111.8.137]) by chiedprmail1.ietf.org with esmtp (Exim 4.43) id 1Izq6p-0000Sx-QQ for dnsop@ietf.org; Wed, 05 Dec 2007 04:00:00 -0500
X-Cam-SpamDetails: Not scanned
X-Cam-AntiVirus: No virus found
X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/
Received: from hermes-1.csi.cam.ac.uk ([131.111.8.51]:48302) by ppsw-7.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.157]:25) with esmtpa (EXTERNAL:fanf2) id 1Izq6n-0007b1-OV (Exim 4.67) (return-path <fanf2@hermes.cam.ac.uk>); Wed, 05 Dec 2007 08:59:57 +0000
Received: from fanf2 (helo=localhost) by hermes-1.csi.cam.ac.uk (hermes.cam.ac.uk) with local-esmtp id 1Izq6n-0003LN-Iq (Exim 4.67) (return-path <fanf2@hermes.cam.ac.uk>); Wed, 05 Dec 2007 08:59:57 +0000
Date: Wed, 05 Dec 2007 08:59:57 +0000
From: Tony Finch <dot@dotat.at>
X-X-Sender: fanf2@hermes-1.csi.cam.ac.uk
To: Edward Lewis <Ed.Lewis@neustar.biz>
Subject: Re: [DNSOP] interop problems with getaddrinfo() address selection
In-Reply-To: <a06240804c37b86e4d496@[130.129.67.81]>
Message-ID: <Pine.LNX.4.64.0712050858230.30251@hermes-1.csi.cam.ac.uk>
References: <Pine.LNX.4.64.0712042040290.24448@hermes-1.csi.cam.ac.uk> <a06240804c37b86e4d496@[130.129.67.81]>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset="US-ASCII"
X-Spam-Score: 0.0 (/)
X-Scan-Signature: cf4fa59384e76e63313391b70cd0dd25
Cc: dnsop@ietf.org, Ian Jackson <ian@davenant.greenend.org.uk>
X-BeenThere: dnsop@ietf.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: IETF DNSOP WG mailing list <dnsop.ietf.org>
List-Unsubscribe: <https://www1.ietf.org/mailman/listinfo/dnsop>, <mailto:dnsop-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www1.ietf.org/pipermail/dnsop>
List-Post: <mailto:dnsop@ietf.org>
List-Help: <mailto:dnsop-request@ietf.org?subject=help>
List-Subscribe: <https://www1.ietf.org/mailman/listinfo/dnsop>, <mailto:dnsop-request@ietf.org?subject=subscribe>
Errors-To: dnsop-bounces@ietf.org

On Tue, 4 Dec 2007, Edward Lewis wrote:
>
> Note that the RFC's text says "implementation" and not "application" or
> "protocol."  There isn't a standard DNS algorithm for choosing the server to
> be queried, the algorithms are up to the implementers (as the algorithm isn't
> an inter-operability issue) of DNS instances.

This is nothing to do with choice of nameserver. This is a stub resolver
implementation problem to do with query result manipulation.

Tony.
-- 
f.a.n.finch  <dot@dotat.at>  http://dotat.at/
FAIR ISLE: SOUTHERLY VEERING WESTERLY 6 TO GALE 8, OCCASIONALLY SEVERE GALE 9,
PERHAPS STORM 10 LATER. ROUGH OR VERY ROUGH INCREASING VERY ROUGH OR HIGH.
OCCASIONAL RAIN. MODERATE OR GOOD, OCCASIONALLY POOR.

_______________________________________________
DNSOP mailing list
DNSOP@ietf.org
https://www1.ietf.org/mailman/listinfo/dnsop