Re: [Lsr] LSR Working Last Call for draft-ietf-ospf-yang

Jeff Tantsura <jefftant.ietf@gmail.com> Wed, 22 August 2018 16:23 UTC

Return-Path: <jefftant.ietf@gmail.com>
X-Original-To: lsr@ietfa.amsl.com
Delivered-To: lsr@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C964B128CE4 for <lsr@ietfa.amsl.com>; Wed, 22 Aug 2018 09:23:46 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2
X-Spam-Level:
X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=unavailable autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com
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 VlCVt34RvZV8 for <lsr@ietfa.amsl.com>; Wed, 22 Aug 2018 09:23:44 -0700 (PDT)
Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E55A812D7F8 for <lsr@ietf.org>; Wed, 22 Aug 2018 09:23:43 -0700 (PDT)
Received: by mail-pg1-x541.google.com with SMTP id r1-v6so1140789pgp.11 for <lsr@ietf.org>; Wed, 22 Aug 2018 09:23:43 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=tEfgxgSDdz8fUS/LKnsuyT1g23JVjQoqL7Yzw7NJm30=; b=D3pzzpwrZeU2VfGf2zSNImmH1UPww92bcmni4BM96qrkrTPMkXQ01eFSVMm9SS2vmE y2arQYQtHfJLCfx9LMwHtjAxH9saRpyjECfthw1CUq/S7gzQDgNfev09q8F8G/q3b765 KFwwL8rhdfCQC6gP5H5FNKN5n21zmwmu6AY8vl565Fj5dR1NalrXLFydOSftbVyenkj4 ZJPWGDXfyyGOjS3zUv/NjhDqR9tdyQdDYcMU/1Uaowkjyg+hqBgqTReYYLCRxFumaKeZ mBNeGmakdHDuRI0QuglIgV2nymtthZBUZ3UlYDJrHcIjtvfEXIuLGhuAcVyeNQuMsvIL t5hQ==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=tEfgxgSDdz8fUS/LKnsuyT1g23JVjQoqL7Yzw7NJm30=; b=BBgViHSbreWGfTEmyl7gp/u91Jz1qC0dG0Xj6FQAi2OAGkw4ooi4NBs8xvkjDsJn5W 3MgCDED2zQamJ4OLvGybmIMzhjHKHfEaI8t51emjFq3rZpEyIcQ3Ah5CFIQRzyRyiFcf 5FAZHTUNios3M4mwhEkDtauQQ6fk+IWJGapwRqlKVDChXgAfFbpLxfd1kyRDRStbHbKO 7X/9xHxknHB4Xh1mZNTFUKWku84h9gNJfT8VEMHkKEvzdk+Z08+1Zho/4ZRQF3ZXErtP BdAcIVIOQnEoDNu1pRFH+9+KHdY5qu1FRLygeWTX1c6/SDdmHmhBCT5tq7n4B2r1mHmT oF5A==
X-Gm-Message-State: AOUpUlHCqelu3MOS/xFa/Ldpdnugmv9EWrOwpPGRJoBJTs9xKbLOaave zAO2cCregVAcqV+oy6r0uEWzf+9k
X-Google-Smtp-Source: AA+uWPwzXjbMpgh52z2ArYoNRtvb6FaxAMkN48RtMw29U9qZQWnMYD2SfE/qwEFXZOVTChIU3UG7sw==
X-Received: by 2002:a62:c182:: with SMTP id i124-v6mr57905990pfg.248.1534955023188; Wed, 22 Aug 2018 09:23:43 -0700 (PDT)
Received: from ?IPv6:2601:647:5801:7388:35b0:35fe:6476:85b9? ([2601:647:5801:7388:35b0:35fe:6476:85b9]) by smtp.gmail.com with ESMTPSA id e73-v6sm3967296pfb.153.2018.08.22.09.23.42 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 Aug 2018 09:23:42 -0700 (PDT)
Content-Type: text/plain; charset="utf-8"
Mime-Version: 1.0 (1.0)
From: Jeff Tantsura <jefftant.ietf@gmail.com>
X-Mailer: iPhone Mail (15G77)
In-Reply-To: <02d701d43a2e$1e153540$4001a8c0@gateway.2wire.net>
Date: Wed, 22 Aug 2018 09:23:41 -0700
Cc: "Acee Lindem (acee)" <acee=40cisco.com@dmarc.ietf.org>, "lsr@ietf.org" <lsr@ietf.org>
Content-Transfer-Encoding: quoted-printable
Message-Id: <23FB4188-D843-45C7-9006-D1CE5A9155CC@gmail.com>
References: <1E45CAE5-8C79-4476-9953-E473C6499311@gmail.com> <02d701d43a2e$1e153540$4001a8c0@gateway.2wire.net>
To: tom petch <ietfc@btconnect.com>
Archived-At: <https://mailarchive.ietf.org/arch/msg/lsr/735OMx4tE_SToQ1k131v46JkthM>
Subject: Re: [Lsr] LSR Working Last Call for draft-ietf-ospf-yang
X-BeenThere: lsr@ietf.org
X-Mailman-Version: 2.1.27
Precedence: list
List-Id: Link State Routing Working Group <lsr.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/lsr>, <mailto:lsr-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/lsr/>
List-Post: <mailto:lsr@ietf.org>
List-Help: <mailto:lsr-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/lsr>, <mailto:lsr-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 22 Aug 2018 16:23:47 -0000

Tom,

Many thanks, great comments (as always)!

Regards,
Jeff

> On Aug 22, 2018, at 08:41, tom petch <ietfc@btconnect.com> wrote:
> 
> ---- Original Message -----
> From: "Jeff Tantsura" <jefftant.ietf@gmail.com>
> Sent: Friday, August 17, 2018 9:14 PM
> 
> Acee,
> 
> The draft is in good shape, support.
> 
> <tp>
> 
> Mmm that sounds like a good challenge.  I had a quick look and noticed:
> 
> - NMDA gets discussed in s.2.1; I like to see support for it mentioned
> earlier, in Abstract and Introduction, something I have seen the IESG
> request recently
> 
> - there is no explanation of the legend used in the tree diagrams; if
> appropriate, this can be fixed with an Informative Reference to RFC8340
> 
> - s.2.4 NSR needs expanding IMHO
> 
> - s.2.4 I would like a list of features, all 20 of them, not just
> "such as NSR, max-LSA, etc"
> so I don't have to reverse engineer the YANG module to find them; as and
> when new features come along, I expect there will be a delay before they
> make it into YANG so a clear list for those supported by this module
> would be useful
> 
> - sometimes it is 'link state database ', sometimes 'Link State
> Database', sometimes 'Link State database'; I would like consistency
> (and prefer the capitalised version)
> 
> - the YANG module as
> version 1.1
> but RFC7950 is not mentioned or referenced; odd
> 
> - the YANG module has
> RFC 5178 - OSPFv3 Graceful Restart";
> which I think should be RFC 5187
> 
> - the YANG module has
> "RFC XXXX - YANG Data Model for Bidirectional Forwarding Detection
> (BFD)";
> "RFC XXXX: A YANG Data Model for OSPF.";
> "RFC XXXX - SPF Back-off algorithm for link state IGPs";  RFC8405
>         reference "draft-ietf-bfd-yang-xx.txt:
> 
> I suggest using a larger namespace than 'XXXX'; perhaps 'XXXX' and
> 'YYYY' (since  "RFC XXXX - SPF Back-off algorithm for link state IGPs"
> is in fact RFC8405 and is already in the Normative References) along
> with a note to the RFC Editor telling them what 'YYYY' and 'XXXX' should
> be replaced with.
> 
> reviewing the technical bits is going to be a challenge; I struggle to
> interpret such as
>         when "derived-from("
>            + "../../../../../areas/area[area-id=current()/../area-id]/"
>            + "area-type, 'stub-nssa-area')" {
> or
>                 refine "version/ospfv2/ospfv2" {
>                   must "derived-from-or-self( "
>                      + "../../../../../../../../../../"
>                      + "rt:type, 'ospf:ospfv2')" {
>                     description "OSPFv2 LSA.";
> 
> I note the use of "derived-from-or-self " as opposed to "derived-from "
> but it will take me longer to work out if the usage is appropriate.
> 
> Tom Petch
> 
> Cheers,
> 
> Jeff
> 
> 
> 
> From: Lsr <lsr-bounces@ietf.org> on behalf of "Acee Lindem (acee)"
> <acee=40cisco.com@dmarc.ietf.org>
> Date: Friday, August 17, 2018 at 13:09
> To: "lsr@ietf.org" <lsr@ietf.org>
> Subject: [Lsr] LSR Working Last Call for draft-ietf-ospf-yang
> 
> 
> 
> This begins an LSR WG last call for the subject draft. Please send your
> 
> comments to this list prior to 12:00 AM GMT, September 8th, 2018.
> 
> 
> 
> Given the size of the model and the US Labor Day Holiday, we’re allowing
> a full 3 weeks.
> 
> 
> 
> For your convenience, here is a URL:
> 
> 
> 
> https://datatracker.ietf.org/doc/draft-ietf-ospf-yang/
> 
> 
> 
> Note there is one obsolete reference left as an exercise for the
> reviewers. Note that the document has already been through a couple YANG
> doctor reviews.
> 
> 
> 
> Thanks,
> Acee
> 
> _______________________________________________ Lsr mailing list
> Lsr@ietf.org https://www.ietf.org/mailman/listinfo/lsr
> 
> 
> 
> 
> ------------------------------------------------------------------------
> --------
> 
> 
>> _______________________________________________
>> Lsr mailing list
>> Lsr@ietf.org
>> https://www.ietf.org/mailman/listinfo/lsr
>> 
>