Re: [DNSOP] New draft for ALIAS/ANAME type

Evan Hunt <each@isc.org> Thu, 30 March 2017 23:15 UTC

Return-Path: <each@isc.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 D1195129416 for <dnsop@ietfa.amsl.com>; Thu, 30 Mar 2017 16:15:23 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -6.902
X-Spam-Level:
X-Spam-Status: No, score=-6.902 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001] 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 aSHe2txWJFH1 for <dnsop@ietfa.amsl.com>; Thu, 30 Mar 2017 16:15:22 -0700 (PDT)
Received: from mx.pao1.isc.org (mx.pao1.isc.org [IPv6:2001:4f8:0:2::2b]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id ED16B1294FA for <dnsop@ietf.org>; Thu, 30 Mar 2017 16:15:15 -0700 (PDT)
Received: from bikeshed.isc.org (bikeshed.isc.org [149.20.48.19]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by mx.pao1.isc.org (Postfix) with ESMTPS id 0F37D34940C; Thu, 30 Mar 2017 23:13:59 +0000 (UTC)
Received: by bikeshed.isc.org (Postfix, from userid 10292) id 00BF3216C1C; Thu, 30 Mar 2017 23:13:58 +0000 (UTC)
Date: Thu, 30 Mar 2017 23:13:58 +0000
From: Evan Hunt <each@isc.org>
To: John Levine <johnl@taugh.com>
Cc: dnsop@ietf.org, rharolde@umich.edu
Message-ID: <20170330231358.GA92307@isc.org>
References: <CA+nkc8Bwc6eQz6YPAnMLNjvHm4POLTyvsTRQC5Pn+R4iTzaB-g@mail.gmail.com> <20170330230806.6273.qmail@ary.lan>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20170330230806.6273.qmail@ary.lan>
User-Agent: Mutt/1.5.23 (2014-03-12)
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/eCFom-E5fWA3AyBWaaJcNu48GXw>
Subject: Re: [DNSOP] New draft for ALIAS/ANAME type
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: Thu, 30 Mar 2017 23:15:24 -0000

On Thu, Mar 30, 2017 at 11:08:06PM -0000, John Levine wrote:
> though ANAME is vastly less complex.  It requires that an
> authoritative server include a recursive client and do online signing,
> both of which would be rather large additions to the mandatory set of
> server features.

It can outsource resolution to an external recursive resolver. Depending
on the implementation details, signing could also be handed by an external
bump-in-the-wire signer.

(Incidentally, I'm working on a somewhat more ambitious ANAME draft with
Peter van Dijk and Anthony Eden, who has kindly agreed to merge his efforts
with ours. I expect to post it in a few days, stay tuned.)

-- 
Evan Hunt -- each@isc.org
Internet Systems Consortium, Inc.