Re: [DNSOP] Terminology question: split DNS

Paul Vixie <paul@redbarn.org> Mon, 19 March 2018 18:14 UTC

Return-Path: <paul@redbarn.org>
X-Original-To: dnsop@ietfa.amsl.com
Delivered-To: dnsop@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 57C8312946D for <dnsop@ietfa.amsl.com>; Mon, 19 Mar 2018 11:14:09 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.911
X-Spam-Level:
X-Spam-Status: No, score=-1.911 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LImyz1ZpuyUt for <dnsop@ietfa.amsl.com>; Mon, 19 Mar 2018 11:14:08 -0700 (PDT)
Received: from family.redbarn.org (family.redbarn.org [24.104.150.213]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 2D9171273B1 for <dnsop@ietf.org>; Mon, 19 Mar 2018 11:14:08 -0700 (PDT)
Received: from [192.168.9.206] (5-226-86-5.static.ip.netia.com.pl [5.226.86.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by family.redbarn.org (Postfix) with ESMTPSA id 25BB77594C; Mon, 19 Mar 2018 18:14:06 +0000 (UTC)
Message-ID: <5AAFFDED.3040808@redbarn.org>
Date: Mon, 19 Mar 2018 11:14:05 -0700
From: Paul Vixie <paul@redbarn.org>
User-Agent: Postbox 5.0.24 (Windows/20180302)
MIME-Version: 1.0
To: Bob Harold <rharolde@umich.edu>
CC: Artyom Gavrichenkov <ximaera@gmail.com>, dnsop <dnsop@ietf.org>, Paul Hoffman <paul.hoffman@vpnc.org>
References: <3D490CA8-0733-47AD-A088-113B1116B207@vpnc.org> <CALZ3u+a9o1g0ZTkGjqWwfyV9phovEgu6Linp137yvM=JHSnj-A@mail.gmail.com> <CA+nkc8DrHTVkbPJDEGksnoN3e-DQtKV1=owOA5pLAUWG+depzw@mail.gmail.com>
In-Reply-To: <CA+nkc8DrHTVkbPJDEGksnoN3e-DQtKV1=owOA5pLAUWG+depzw@mail.gmail.com>
Content-Type: text/plain; charset="ISO-8859-1"; format="flowed"
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/OLQOXKszE-fEran_iNR1ZcreiAY>
Subject: Re: [DNSOP] Terminology question: split DNS
X-BeenThere: dnsop@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: IETF DNSOP WG mailing list <dnsop.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dnsop>, <mailto:dnsop-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dnsop/>
List-Post: <mailto:dnsop@ietf.org>
List-Help: <mailto:dnsop-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dnsop>, <mailto:dnsop-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 19 Mar 2018 18:14:09 -0000


Bob Harold wrote:
> I think the key part is:
> "different answers depending on the source of the query."
>
> In practice this is done by using either different DNS servers (or
> processes), or multiple "views" in a DNS configuration.
> (Is "view" in BIND called something else in other software?)

bob halley and i put "views" into the BIND9 architecture because 
previously, people were running separate BIND8 server instances on 
different computers or on different listener-IP addresses, and we wanted 
to make this easier.

i suggest not mentioning views, because the concept predates them.

-- 
P Vixie