Re: [DNSOP] BULK RR as optional feature

"John R Levine" <johnl@taugh.com> Tue, 28 March 2017 20:55 UTC

Return-Path: <johnl@taugh.com>
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 2CD70126E01 for <dnsop@ietfa.amsl.com>; Tue, 28 Mar 2017 13:55:36 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.001
X-Spam-Level:
X-Spam-Status: No, score=-2.001 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1536-bit key) header.d=iecc.com header.b=IqsDSOFs; dkim=pass (1536-bit key) header.d=taugh.com header.b=EpbL2QNV
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 oQZtBSGsSfd5 for <dnsop@ietfa.amsl.com>; Tue, 28 Mar 2017 13:55:34 -0700 (PDT)
Received: from miucha.iecc.com (abusenet-1-pt.tunnel.tserv4.nyc4.ipv6.he.net [IPv6:2001:470:1f06:1126::2]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 0534312966C for <dnsop@ietf.org>; Tue, 28 Mar 2017 13:55:32 -0700 (PDT)
Received: (qmail 38018 invoked from network); 28 Mar 2017 20:55:31 -0000
DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=iecc.com; h=date:message-id:from:to:cc:subject:in-reply-to:references:mime-version:content-type:user-agent; s=9480.58dacdc3.k1703; bh=BHaxKZY7QpgXPOLHZoAZYbkPHb0W3d2/BaRsrUh4B0E=; b=IqsDSOFspZGvwe6Vygal9KPJ3HPEVPCiv3UCa5lMAnL62BeNGjwidhnbecDbeWBpiq2lrfB4Kd5ro9UzWWtuR/FZpw8hn9wRoISr9sD2YWR33pow6zxIyaxUVsCrEBikhBnFphOX+HKtvED++6rW4Vrzv/2SPvyi6Ha4evypsbGgodrxYtmC0HigjOE5vAOiYDLvhSKtMVxua5otDgF1TirqDKp6rqNPgEEjPuxCtHHd+aRqBr+Za3YYY18pwHB0
DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=taugh.com; h=date:message-id:from:to:cc:subject:in-reply-to:references:mime-version:content-type:user-agent; s=9480.58dacdc3.k1703; bh=BHaxKZY7QpgXPOLHZoAZYbkPHb0W3d2/BaRsrUh4B0E=; b=EpbL2QNVqWePHF0I6y2pYjNgaxDbj7/20u4hdoVt3+ZH68DnF86M9W/+YhfIR7IWgwIoBhViLsB8iO21TA+9meHoZ4Yc2/vCbnQOVq1Ie/UyAhdOgMhRyfWdPesJRNEVGBQIBNgTRtpC6FhRQNsAGGGJa6qF3IaPNX51PKJdnZek3EFM/4qQFzBIlw0wfRdKf8qFUtSeXotzdnGlfq0FPJBneDwN8AvDsGdu3FQ9Qt0Y+tyMEZk2ueMXCMuOrN16
Received: from localhost ([IPv6:2001:470:1f07:1126::78:696d:6170]) by imap.iecc.com ([IPv6:2001:470:1f07:1126::78:696d:6170]) with ESMTPS (TLS1.2/X.509/AEAD) via TCP6; 28 Mar 2017 20:55:31 -0000
Date: Tue, 28 Mar 2017 15:55:31 -0500
Message-ID: <alpine.OSX.2.20.1703281554510.4584@dhcp-80f1.meeting.ietf.org>
From: John R Levine <johnl@taugh.com>
To: Evan Hunt <each@isc.org>
Cc: dnsop@ietf.org
In-Reply-To: <20170328205151.GB23312@isc.org>
References: <20170328183156.2467.qmail@ary.lan> <20170328205151.GB23312@isc.org>
User-Agent: Alpine 2.20 (OSX 67 2015-01-07)
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"; format="flowed"
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/L6PPKWD0WXDzs36Od6HQVhPGFZc>
Subject: Re: [DNSOP] BULK RR as optional feature
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: Tue, 28 Mar 2017 20:55:36 -0000

> One possible solution would be an EDNS signal indicating whether or not the
> secondary server implements BULK. If not, the primary would have to expand
> the BULK data during transfer, same as BIND expands $GENERATE.

That doesn't work -- this is intended to generate rDNS for IPv6 and other 
places where you can't possibly store the full expansion.

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly