Re: [Dots] Alissa Cooper's Discuss on draft-ietf-dots-signal-channel-31: (with DISCUSS and COMMENT)
<mohamed.boucadair@orange.com> Fri, 10 May 2019 15:12 UTC
Return-Path: <mohamed.boucadair@orange.com>
X-Original-To: dots@ietfa.amsl.com
Delivered-To: dots@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C4725120075; Fri, 10 May 2019 08:12:44 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.599
X-Spam-Level:
X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, URIBL_BLOCKED=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 z2SdqCEqxkly; Fri, 10 May 2019 08:12:42 -0700 (PDT)
Received: from orange.com (mta240.mail.business.static.orange.com [80.12.66.40]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 70165120045; Fri, 10 May 2019 08:12:42 -0700 (PDT)
Received: from opfedar07.francetelecom.fr (unknown [xx.xx.xx.9]) by opfedar27.francetelecom.fr (ESMTP service) with ESMTP id 450txP06n4z2ytr; Fri, 10 May 2019 17:12:41 +0200 (CEST)
Received: from Exchangemail-eme6.itn.ftgroup (unknown [xx.xx.13.38]) by opfedar07.francetelecom.fr (ESMTP service) with ESMTP id 450txN5qnqz5vNS; Fri, 10 May 2019 17:12:40 +0200 (CEST)
Received: from OPEXCAUBMA2.corporate.adroot.infra.ftgroup ([fe80::e878:bd0:c89e:5b42]) by OPEXCAUBM5C.corporate.adroot.infra.ftgroup ([::1]) with mapi id 14.03.0439.000; Fri, 10 May 2019 17:12:40 +0200
From: mohamed.boucadair@orange.com
To: Alissa Cooper <alissa@cooperw.in>
CC: IESG <iesg@ietf.org>, "draft-ietf-dots-signal-channel@ietf.org" <draft-ietf-dots-signal-channel@ietf.org>, Liang Xia <frank.xialiang@huawei.com>, "dots@ietf.org" <dots@ietf.org>, "dots-chairs@ietf.org" <dots-chairs@ietf.org>
Thread-Topic: Alissa Cooper's Discuss on draft-ietf-dots-signal-channel-31: (with DISCUSS and COMMENT)
Thread-Index: AQHVBzi7wX++CSf0eEyAmIM0i1tABqZkdqLQ
Date: Fri, 10 May 2019 15:12:40 +0000
Message-ID: <787AE7BB302AE849A7480A190F8B93302EA7C51C@OPEXCAUBMA2.corporate.adroot.infra.ftgroup>
References: <155676213548.2612.17892772935784304109.idtracker@ietfa.amsl.com> <1D15F9BD-A743-4EA4-86D8-35FA22FE5438@cooperw.in> <787AE7BB302AE849A7480A190F8B93302EA7B408@OPEXCAUBMA2.corporate.adroot.infra.ftgroup> <200BE2CA-AE9B-4DF6-8065-5C1E0E221071@cooperw.in>
In-Reply-To: <200BE2CA-AE9B-4DF6-8065-5C1E0E221071@cooperw.in>
Accept-Language: fr-FR, en-US
Content-Language: fr-FR
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-originating-ip: [10.114.13.247]
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
MIME-Version: 1.0
Archived-At: <https://mailarchive.ietf.org/arch/msg/dots/ZCq7gP9kOnQmrn9PUx1UIoPY08s>
Subject: Re: [Dots] Alissa Cooper's Discuss on draft-ietf-dots-signal-channel-31: (with DISCUSS and COMMENT)
X-BeenThere: dots@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "List for discussion of DDoS Open Threat Signaling \(DOTS\) technology and directions." <dots.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dots>, <mailto:dots-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dots/>
List-Post: <mailto:dots@ietf.org>
List-Help: <mailto:dots-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dots>, <mailto:dots-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 10 May 2019 15:12:45 -0000
Re-, OK, thanks. This is now fixed in -33: https://datatracker.ietf.org/doc/draft-ietf-dots-signal-channel/ Cheers, Med > -----Message d'origine----- > De : Alissa Cooper [mailto:alissa@cooperw.in] > Envoyé : vendredi 10 mai 2019 16:00 > À : BOUCADAIR Mohamed TGI/OLN > Cc : IESG; draft-ietf-dots-signal-channel@ietf.org; Liang Xia; > dots@ietf.org; dots-chairs@ietf.org > Objet : Re: Alissa Cooper's Discuss on draft-ietf-dots-signal-channel-31: > (with DISCUSS and COMMENT) > > Hi Med, > > > On May 10, 2019, at 1:35 AM, mohamed.boucadair@orange.com wrote: > > > > Hi Alissa, > > > > The main reason is that the examples in the draft are using the JSON > encoding of YANG modelled data. > > This does not necessitate a normative reference. See > https://www.ietf.org/blog/iesg-statement-normative-and-informative- > references/ > > Alissa > > > > > Cheers, > > Med > > > >> -----Message d'origine----- > >> De : Alissa Cooper [mailto:alissa@cooperw.in] > >> Envoyé : jeudi 9 mai 2019 23:09 > >> À : Alissa Cooper > >> Cc : IESG; draft-ietf-dots-signal-channel@ietf.org; Liang Xia; > >> dots@ietf.org; dots-chairs@ietf.org > >> Objet : Re: Alissa Cooper's Discuss on draft-ietf-dots-signal-channel- > 31: > >> (with DISCUSS and COMMENT) > >> > >> Thanks, the changes look good. However I still don’t understand why RFC > >> 7951 is listed as a normative reference. > >> > >> Alissa > >> > >> > >>> On May 1, 2019, at 9:55 PM, Alissa Cooper via Datatracker > >> <noreply@ietf.org> wrote: > >>> > >>> Alissa Cooper has entered the following ballot position for > >>> draft-ietf-dots-signal-channel-31: Discuss > >>> > >>> When responding, please keep the subject line intact and reply to all > >>> email addresses included in the To and CC lines. (Feel free to cut > this > >>> introductory paragraph, however.) > >>> > >>> > >>> Please refer to https://www.ietf.org/iesg/statement/discuss- > >> criteria.html > >>> for more information about IESG DISCUSS and COMMENT positions. > >>> > >>> > >>> The document, along with other ballot positions, can be found here: > >>> https://datatracker.ietf.org/doc/draft-ietf-dots-signal-channel/ > >>> > >>> > >>> > >>> ---------------------------------------------------------------------- > >>> DISCUSS: > >>> ---------------------------------------------------------------------- > >>> > >>> = Section 3 = > >>> > >>> "By default, a DOTS signal channel MUST run over port number TBD as > >>> defined in Section 9.1, for both UDP and TCP, unless the DOTS server > >>> has a mutual agreement with its DOTS clients to use a different port > >>> number. DOTS clients MAY alternatively support means to dynamically > >>> discover the ports used by their DOTS servers (e.g., > >>> [I-D.boucadair-dots-server-discovery])." > >>> > >>> MUST implies an absolute requirement, so "MUST ... unless" is a > >> problematic > >>> construction. Furthermore, it doesn't make sense together with "MAY > >>> alternatively," which indicates that port number discovery is an > >> alternative to > >>> the fixed to-be-assigned port. > >>> > >>> I didn't have time to get very far into draft-boucadair-dots-server- > >> discovery, > >>> but it appears that it does not mandate support for any single > discovery > >>> mechanism for clients and servers to support. If so, that > >> "alternatively" seems > >>> like more of a problem, since it allows for there to be no > interoperable > >>> mechanism for clients to discover server ports. I think maybe what was > >> intended > >>> here was: > >>> > >>> s/MUST/SHOULD/ > >>> s/MAY alternatively/MAY additionally/ > >>> > >>> = Section 4.4.1 = > >>> > >>> (1) > >>> "In deployments where server-domain DOTS gateways are enabled, > >>> identity information about the origin source client domain SHOULD be > >>> propagated to the DOTS server. That information is meant to assist > >>> the DOTS server to enforce some policies such as grouping DOTS > >>> clients that belong to the same DOTS domain, limiting the number of > >>> DOTS requests, and identifying the mitigation scope. These policies > >>> can be enforced per-client, per-client domain, or both. Also, the > >>> identity information may be used for auditing and debugging > purposes." > >>> > >>> Does "identity information" just refer to cdid, or something else? > >>> > >>> (2) The constructions "MUST ... (absent explicit policy/configuration > >>> otherwise)" are problematic. I'm assuming these are meant to be > SHOULDs. > >>> > >>> = Section 13.1 = > >>> > >>> I don't understand why RFC 7951 is a normative reference but > >>> draft-ietf-core-yang-cbor is an informative reference. > >>> > >>> > >>> ---------------------------------------------------------------------- > >>> COMMENT: > >>> ---------------------------------------------------------------------- > >>> > >>> = Section 4.4.1 = > >>> > >>> "The 'cuid' is intended to be stable when communicating with a > >>> given DOTS server, i.e., the 'cuid' used by a DOTS client SHOULD > >>> NOT change over time. " > >>> > >>> Why is this the recommended behavior? > >>> > >>> > >
- [Dots] Alissa Cooper's Discuss on draft-ietf-dots… Alissa Cooper via Datatracker
- Re: [Dots] Alissa Cooper's Discuss on draft-ietf-… mohamed.boucadair
- Re: [Dots] Alissa Cooper's Discuss on draft-ietf-… Alexey Melnikov
- Re: [Dots] Alissa Cooper's Discuss on draft-ietf-… mohamed.boucadair
- Re: [Dots] Alissa Cooper's Discuss on draft-ietf-… Alissa Cooper
- Re: [Dots] Alissa Cooper's Discuss on draft-ietf-… Konda, Tirumaleswar Reddy
- Re: [Dots] Alissa Cooper's Discuss on draft-ietf-… Benjamin Kaduk
- Re: [Dots] Alissa Cooper's Discuss on draft-ietf-… Benjamin Kaduk
- Re: [Dots] Alissa Cooper's Discuss on draft-ietf-… mohamed.boucadair
- Re: [Dots] Alissa Cooper's Discuss on draft-ietf-… mohamed.boucadair
- Re: [Dots] Alissa Cooper's Discuss on draft-ietf-… Barry Leiba
- Re: [Dots] Alissa Cooper's Discuss on draft-ietf-… mohamed.boucadair
- Re: [Dots] Alissa Cooper's Discuss on draft-ietf-… Alissa Cooper
- Re: [Dots] Alissa Cooper's Discuss on draft-ietf-… mohamed.boucadair
- Re: [Dots] Alissa Cooper's Discuss on draft-ietf-… Alissa Cooper
- Re: [Dots] Alissa Cooper's Discuss on draft-ietf-… mohamed.boucadair