IETF Logo Mail Archive

Re: [DNSOP] I-D Action: draft-ietf-dnsop-dns-error-reporting-00.txt

Vladimír Čunát <vladimir.cunat+ietf@nic.cz> Tue, 26 October 2021 10:12 UTC

Return-Path: <vladimir.cunat+ietf@nic.cz>
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 74A2D3A0E2E for <dnsop@ietfa.amsl.com>; Tue, 26 Oct 2021 03:12:02 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -5.23
X-Spam-Level:
X-Spam-Status: No, score=-5.23 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-3.33, SPF_HELO_NONE=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 bb5bqUdHcrr2 for <dnsop@ietfa.amsl.com>; Tue, 26 Oct 2021 03:11:59 -0700 (PDT)
Received: from mail.nic.cz (mail.nic.cz [IPv6:2001:1488:800:400::400]) (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 E8A093A0CF0 for <dnsop@ietf.org>; Tue, 26 Oct 2021 03:11:58 -0700 (PDT)
Received: from [IPV6:2a02:768:2d1c:226::a2e] (unknown [IPv6:2a02:768:2d1c:226::a2e]) by mail.nic.cz (Postfix) with ESMTPSA id 08DBE1409DB; Tue, 26 Oct 2021 12:11:55 +0200 (CEST)
Message-ID: <7b330f66-141f-bf96-dee2-14a3a12b28d1@nic.cz>
Date: Tue, 26 Oct 2021 12:11:54 +0200
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.1.1
Content-Language: en-US
To: Petr Špaček <pspacek@isc.org>, dnsop@ietf.org
References: <161953482575.7668.10479553059119648994@ietfa.amsl.com> <f3fca741-373e-c32d-9dbc-354cff3dfc9b@nic.cz> <a896a7c2-881f-b197-320c-9c53511b9b63@isc.org>
From: Vladimír Čunát <vladimir.cunat+ietf@nic.cz>
In-Reply-To: <a896a7c2-881f-b197-320c-9c53511b9b63@isc.org>
Content-Type: text/plain; charset="UTF-8"; format="flowed"
Content-Transfer-Encoding: 8bit
X-Virus-Scanned: clamav-milter 0.102.4 at mail
X-Virus-Status: Clean
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/MCC7f6TaPtigTUIuApyIGRqGDkE>
Subject: Re: [DNSOP] I-D Action: draft-ietf-dnsop-dns-error-reporting-00.txt
X-BeenThere: dnsop@ietf.org
X-Mailman-Version: 2.1.29
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, 26 Oct 2021 10:12:07 -0000

On 26/10/2021 12.02, Petr Špaček wrote:
> We need to consider & document interaction between Query Name 
> Minimization and NXDOMAIN processing as per RFC 8020. If minimization 
> & RFC 8020 are on default then it might very easily happen that most 
> of _er subtrees (which are presumably empty) will be cut out by cache 
> and nothing will be sent out when an error is detected. 

I believe that's already sufficiently addressed in section 4.1. Managing 
Caching Optimizations

v2.23.0 | Report a Bug | By Email