Re: [i2rs] Benoit Claise's Discuss on draft-ietf-i2rs-yang-l3-topology-14: (with DISCUSS)

Benoit Claise <bclaise@cisco.com> Sun, 17 December 2017 14:44 UTC

Return-Path: <bclaise@cisco.com>
X-Original-To: i2rs@ietfa.amsl.com
Delivered-To: i2rs@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 06D43124B18; Sun, 17 Dec 2017 06:44:06 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -14.49
X-Spam-Level:
X-Spam-Status: No, score=-14.49 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, T_KAM_HTML_FONT_INVALID=0.01, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.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 a6z6z1f3nXrr; Sun, 17 Dec 2017 06:44:03 -0800 (PST)
Received: from aer-iport-4.cisco.com (aer-iport-4.cisco.com [173.38.203.54]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9C2CD1200B9; Sun, 17 Dec 2017 06:44:01 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=35370; q=dns/txt; s=iport; t=1513521842; x=1514731442; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to; bh=IS/43KCfYQSfI5EK6r0nXYEDoO/jPJc47B+JrxlLRmg=; b=KpqsNwDrz63QE/rorqIorK9Ud5KH29MorcRN87DKLOosrWZy+YmXzmoc DSi8NdEh5yBFyfEFvWMgb/JlyQ9erOzSLNSqfE0bcti+K48H1SOUQY9hA 6PGXtbrf3e0LoF2V3rbo/efZ0aCu+pagL+kXhajQEVhLZe/DIRlaeaAb1 k=;
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: A0CTAAAXgjZa/xbLJq1DGhkBAQEBAQEBAQEBAQEHAQEBAQGCSoFadCeEBoohdI9kMX6WIxSBfgMKGAEMhRYChT8YAQEBAQEBAQEBayiFIwEBAQEDAQEhCkELDAQJAg4DBAEBASABBgMCAicfCQgGAQwGAgEBBYohEDSKUp1sgicmikABAQEBAQEBAQEBAQEBAQEBAQEBAQEdg26DZIFpKYJNNoMOIAEBF4EjARIBVYJfgmMFik6HTYdCiV+Hf40tghaGE4Nsh16KTYJOgVmIBIE7HzkRFDs+GQIWMhoIGxU8gikJgkocGYFPQDcBiAaCOgEBAQ
X-IronPort-AV: E=Sophos;i="5.45,416,1508803200"; d="scan'208,217";a="920857"
Received: from aer-iport-nat.cisco.com (HELO aer-core-1.cisco.com) ([173.38.203.22]) by aer-iport-4.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Dec 2017 14:43:59 +0000
Received: from [10.55.221.36] (ams-bclaise-nitro3.cisco.com [10.55.221.36]) by aer-core-1.cisco.com (8.14.5/8.14.5) with ESMTP id vBHEhwYK026294; Sun, 17 Dec 2017 14:43:58 GMT
To: Alexander Clemm <ludwig@clemm.org>, 'Alexander Clemm' <alexander.clemm@huawei.com>, 'Martin Bjorklund' <mbj@tail-f.com>
Cc: draft-ietf-i2rs-yang-l3-topology@ietf.org, i2rs@ietf.org, iesg@ietf.org, shares@ndzh.com, i2rs-chairs@ietf.org
References: <151325119823.6222.15937797893027104434.idtracker@ietfa.amsl.com> <037301d374fb$321cfc10$9656f430$@clemm.org> <20171214.184217.2108989131786731949.mbj@tail-f.com> <75ac9315-3e6b-949a-28c1-80b6001710ce@cisco.com> <644DA50AFA8C314EA9BDDAC83BD38A2E0EAD38E8@sjceml521-mbx.china.huawei.com> <074101d376dd$fcc64aa0$f652dfe0$@clemm.org>
From: Benoit Claise <bclaise@cisco.com>
Message-ID: <8a8efa92-0a11-2c49-16bf-e49019050d6a@cisco.com>
Date: Sun, 17 Dec 2017 15:43:58 +0100
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0
MIME-Version: 1.0
In-Reply-To: <074101d376dd$fcc64aa0$f652dfe0$@clemm.org>
Content-Type: multipart/alternative; boundary="------------06FB4DAAE41C755FD29F2137"
Content-Language: en-US
Archived-At: <https://mailarchive.ietf.org/arch/msg/i2rs/Ffv_xPiOvsEY0Dv5BXZnNvnoGjg>
Subject: Re: [i2rs] Benoit Claise's Discuss on draft-ietf-i2rs-yang-l3-topology-14: (with DISCUSS)
X-BeenThere: i2rs@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: "Interface to The Internet Routing System \(IRS\)" <i2rs.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/i2rs>, <mailto:i2rs-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/i2rs/>
List-Post: <mailto:i2rs@ietf.org>
List-Help: <mailto:i2rs-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/i2rs>, <mailto:i2rs-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sun, 17 Dec 2017 14:44:06 -0000

Thanks Alex,

Clearing the DISCUSS now.

Regards, B.
>
> Hello all,
>
> I have just posted ref-16 with the update and added reference to RFC 8294.
>
> Benoit, I think everything is closed now; please let me know if there 
> is anything else.
>
> Thanks
>
> --- Alex
>
> *From:*i2rs [mailto:i2rs-bounces@ietf.org] *On Behalf Of *Alexander Clemm
> *Sent:* Thursday, December 14, 2017 10:24 AM
> *To:* Benoit Claise <bclaise@cisco.com>; Martin Bjorklund 
> <mbj@tail-f.com>; ludwig@clemm.org
> *Cc:* draft-ietf-i2rs-yang-l3-topology@ietf.org; i2rs@ietf.org; 
> iesg@ietf.org; shares@ndzh.com; i2rs-chairs@ietf.org
> *Subject:* Re: [i2rs] Benoit Claise's Discuss on 
> draft-ietf-i2rs-yang-l3-topology-14: (with DISCUSS)
>
> OK, thanks for mentioning inet:ip-address.  The example (that you were 
> referring to in the email) does have dotted-quad already, so I did not 
> know what you meant.
>
> I will change from inet:ip-address to yang:dotted-quad and refer to 
> imported router-id typedef.  And I assume we are now good with the 
> example.  Is there anything else?  Will post -16 by tomorrow.
>
> Thanks
>
> --- Alex
>
> *From:*i2rs [mailto:i2rs-bounces@ietf.org] *On Behalf Of *Benoit Claise
> *Sent:* Thursday, December 14, 2017 9:53 AM
> *To:* Martin Bjorklund <mbj@tail-f.com <mailto:mbj@tail-f.com>>; 
> ludwig@clemm.org <mailto:ludwig@clemm.org>
> *Cc:* draft-ietf-i2rs-yang-l3-topology@ietf.org 
> <mailto:draft-ietf-i2rs-yang-l3-topology@ietf.org>; i2rs@ietf.org 
> <mailto:i2rs@ietf.org>; iesg@ietf.org <mailto:iesg@ietf.org>; 
> shares@ndzh.com <mailto:shares@ndzh.com>; i2rs-chairs@ietf.org 
> <mailto:i2rs-chairs@ietf.org>
> *Subject:* Re: [i2rs] Benoit Claise's Discuss on 
> draft-ietf-i2rs-yang-l3-topology-14: (with DISCUSS)
>
> On 12/14/2017 6:42 PM, Martin Bjorklund wrote:
>
>     Hi,
>
>     "Alexander Clemm"<ludwig@clemm.org> <mailto:ludwig@clemm.org>  wrote:
>
>         Hi Benoit,
>
>         I am not sure I understand your comment?
>
>     I think the issue is that the leaf-list router-id should be of type
>
>     yang:dotted-quad, and not inet:ip-address.
>
> Right, imported from ietf-routing-types,  in 
> https://tools.ietf.org/html/draft-ietf-rtgwg-routing-types-17
>
>       typedef router-id {
>         type yang:dotted-quad;
>         description
>           "A 32-bit number in the dotted quad format assigned to each
>            router. This number uniquely identifies the router within
>            an Autonomous System.";
>       }
>
> Regards, Benoit
>
>         I was referring to the typedef
>
>         router-id, which we define in example-ospf-topology.
>
>     There is no such typedef.  There's an area-id though.
>
>     /martin
>
>     We made many changes
>
>         to make it clear that this is just an example, not a part of the actual
>
>         model, reflected in the description, naming, removal of contact and revision
>
>         information, etc.
>
>         The tree diagram in section 5 is for the ietf-l3-unicast-topology module.
>
>         It is not part of an example.  The same is true for the grouping
>
>         l3-node-attributes.  It is part of the model.
>
>         The example-ospf-topology model serves as an example as to how the model
>
>         might be refined/extended for other topologies.  As stated: "This module is
>
>         intended to serve as an example that illustrates how the general topology
>
>         model can be refined across multiple levels."  The sentence at the top of
>
>         the section "Extending the model - Example OSPF Topology - Model Overview"
>
>         states (slightly rephrased with inserted ", in this case") to "The following
>
>         model shows how the Layer 3 Unicast topology model can be extended, in this
>
>         case to cover OSFP topologies."
>
>         Does this clarify or did you mean something else?
>
>         Thanks
>
>         --- Alex
>
>         -----Original Message-----
>
>         From: i2rs [mailto:i2rs-bounces@ietf.org] On Behalf Of Benoit Claise
>
>         Sent: Thursday, December 14, 2017 3:33 AM
>
>         To: The IESG<iesg@ietf.org> <mailto:iesg@ietf.org>
>
>         Cc:draft-ietf-i2rs-yang-l3-topology@ietf.org
>         <mailto:draft-ietf-i2rs-yang-l3-topology@ietf.org>;i2rs@ietf.org <mailto:i2rs@ietf.org>;
>
>         i2rs-chairs@ietf.org <mailto:i2rs-chairs@ietf.org>;shares@ndzh.com <mailto:shares@ndzh.com>
>
>         Subject: [i2rs] Benoit Claise's Discuss on
>
>         draft-ietf-i2rs-yang-l3-topology-14: (with DISCUSS)
>
>         Benoit Claise has entered the following ballot position for
>
>         draft-ietf-i2rs-yang-l3-topology-14: 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 tohttps://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-i2rs-yang-l3-topology/
>
>         ----------------------------------------------------------------------
>
>         DISCUSS:
>
>         ----------------------------------------------------------------------
>
>         We're making progress. Thanks.
>
>                 4.
>
>                          leaf-list router-id {
>
>                              type inet:ip-address;
>
>                              description
>
>                                "Router-id for the node";
>
>                            }
>
>                 My initial DISCUSS was: We don't want to wait for
>
>                 https://tools.ietf.org/html/draft-ietf-rtgwg-routing-types-00  (btw,
>
>                 we should expedite this publication), but any good reason why this is
>
>                 aligned with its definition?
>
>                       typedef router-id {
>
>                          type yang:dotted-quad;
>
>                          description
>
>                            "A 32-bit number in the dotted quad format assigned to each
>
>                             router. This number uniquely identifies the router within an
>
>                             Autonomous System.";
>
>                        }
>
>                 My NEW DISCUSS: since is in IETF LC and on the telechat on Oct 12th,
>
>                 it makes sense to import its router-id
>
>             <ALEX> This is only used in the example.  The point of the example is
>
>             to show how the model can be extended, not to define something
>
>             normative, hence I don't think there is a need to introduce a
>
>             dependency here which would only be distracting.
>
>             </ALEX>
>
>         Can you help me understand how this is an example?
>
>         Section 5
>
>             module: ietf-l3-unicast-topology
>
>               augment /nw:networks/nw:network/nw:network-types:
>
>                 +--rw l3-unicast-topology!
>
>               augment /nw:networks/nw:network:
>
>                 +--rw l3-topology-attributes
>
>                    +--rw name?   string
>
>                    +--rw flag*   l3-flag-type
>
>               augment /nw:networks/nw:network/nw:node:
>
>                 +--rw l3-node-attributes
>
>                    +--rw name?        inet:domain-name
>
>                    +--rw flag*        node-flag-type
>
>                    +--rw router-id*   inet:ip-address
>
>                    +--rw prefix* [prefix]
>
>                       +--rw prefix    inet:ip-prefix
>
>                       +--rw metric?   uint32
>
>                       +--rw flag*     prefix-flag-type
>
>         And section 6:
>
>               grouping l3-node-attributes {
>
>                 description "L3 node scope attributes";
>
>                 container l3-node-attributes {
>
>                   description
>
>                     "Containing node attributes";
>
>                   leaf name {
>
>                     type inet:domain-name;
>
>                     description
>
>                       "Node name";
>
>                   }
>
>                   leaf-list flag {
>
>                     type node-flag-type;
>
>                     description
>
>                       "Node flags";
>
>                   }
>
>                   leaf-list router-id {
>
>                     type inet:ip-address;
>
>                     description
>
>                       "Router-id for the node";
>
>                   }
>
>                   list prefix {
>
>                     key "prefix";
>
>                     description
>
>                       "A list of prefixes along with their attributes";
>
>                     uses l3-prefix-attributes;
>
>                   }
>
>                 }
>
>               }
>
>         A different view at
>
>         https://www.yangcatalog.org/yang-search/yang_tree.php?module=ietf-l3-unicast
>
>         -topology#
>
>         _______________________________________________
>
>         i2rs mailing list
>
>         i2rs@ietf.org <mailto:i2rs@ietf.org>
>
>         https://www.ietf.org/mailman/listinfo/i2rs
>
>         _______________________________________________
>
>         i2rs mailing list
>
>         i2rs@ietf.org <mailto:i2rs@ietf.org>
>
>         https://www.ietf.org/mailman/listinfo/i2rs
>
>     .
>