Re: [netmod] schema mount and YANG library

Kent Watsen <kwatsen@juniper.net> Thu, 18 January 2018 18:30 UTC

Return-Path: <kwatsen@juniper.net>
X-Original-To: netmod@ietfa.amsl.com
Delivered-To: netmod@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9B7D8129C53 for <netmod@ietfa.amsl.com>; Thu, 18 Jan 2018 10:30:54 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.701
X-Spam-Level:
X-Spam-Status: No, score=-2.701 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=juniper.net
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 jukkBFVVYxEV for <netmod@ietfa.amsl.com>; Thu, 18 Jan 2018 10:30:53 -0800 (PST)
Received: from mx0b-00273201.pphosted.com (mx0b-00273201.pphosted.com [67.231.152.164]) (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 E0F1712895E for <netmod@ietf.org>; Thu, 18 Jan 2018 10:30:52 -0800 (PST)
Received: from pps.filterd (m0108163.ppops.net [127.0.0.1]) by mx0b-00273201.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w0IIO1BC008535; Thu, 18 Jan 2018 10:30:51 -0800
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=juniper.net; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-id : content-transfer-encoding : mime-version; s=PPS1017; bh=YmquMheHEzJd1q5z+ZPdCC5k9b3CDCl+keqrmA/VncU=; b=Ei8HbK0ZyRxEhVLVqn6g+CThsYRCn0jj5q0xZi6AtfgxaFQYTWP7aoiWPf9o/LK5M0MQ wzcvNxHqC50wL7BgijrGO/7NfOI4gFGs8axPFfsg6Zc5R0o7sh/2TvVWuib8cYPyQiLq KwUX1e06VGZiT3+5TcVmJEdvxB06LhHN+BB9yzMMVxNIbn/gS/rxhaIRxiEJQsOEhmwR /8m0ZAWWr8Io/yVYhG/VlLZhFr64yE/8japs+OrD7ixa+V4rQ/7yxZRdFsT4sRMbQQc3 NRIV0WsS3LuX1wsfB6bPzt5w16jLS8gBgYTddHpus/vxHqrsgxnnPOQa8w0Pei8Us+gv tw==
Received: from nam02-sn1-obe.outbound.protection.outlook.com (mail-sn1nam02lp0016.outbound.protection.outlook.com [216.32.180.16]) by mx0b-00273201.pphosted.com with ESMTP id 2fk0tpr0vk-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Thu, 18 Jan 2018 10:30:51 -0800
Received: from DM5PR05MB3484.namprd05.prod.outlook.com (10.174.240.147) by DM5SPR00MB107.namprd05.prod.outlook.com (10.174.178.149) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.428.9; Thu, 18 Jan 2018 18:30:49 +0000
Received: from DM5PR05MB3484.namprd05.prod.outlook.com ([10.174.240.147]) by DM5PR05MB3484.namprd05.prod.outlook.com ([10.174.240.147]) with mapi id 15.20.0428.014; Thu, 18 Jan 2018 18:30:49 +0000
From: Kent Watsen <kwatsen@juniper.net>
To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>, "EXT - joelja@bogus.com" <joelja@bogus.com>
CC: "netmod@ietf.org" <netmod@ietf.org>
Thread-Topic: [netmod] schema mount and YANG library
Thread-Index: AQHTcDnC+LdQVLmjCEySNKfGe/5DBKNEeVYAgAUkMwCAAKKRgIAAVj0AgAAAtoCAAAXQgIAADrKAgAADggCAAAqGAIAq80GAgACl5oCAAEeFAIAACjwAgAAFgQCAABAegIAAAXeAgAAFyICAAAmmgIAADb+AgAAFsYCAAAR+AIAABzCAgAAVSQCAAPgTAIAAY9GAgAAG7oCAABEjgIAACb2AgAAuSwCAANftAIAAVDCAgAALhACAAC5zgIAAEoeA//+8pAA=
Date: Thu, 18 Jan 2018 18:30:49 +0000
Message-ID: <F137FA09-D8CE-4C33-AF04-4FB7B9E4627E@juniper.net>
References: <16104ca0948.27d3.9b4188e636579690ba6c69f2c8a0f1fd@labn.net> <20180117.171817.479473055872371790.mbj@tail-f.com> <5d8b65cf-e75e-e11e-a41a-722697ec3af8@labn.net> <20180118.085648.2091191419931632376.mbj@tail-f.com> <16109590f18.27d3.9b4188e636579690ba6c69f2c8a0f1fd@labn.net> <20180118133920.aerpan7jdbtre3f3@elstar.local> <1e37fe97-d434-2ada-22e4-d109ad872a5d@bogus.com> <20180118173153.cd5okqs3rqj6s46r@elstar.local>
In-Reply-To: <20180118173153.cd5okqs3rqj6s46r@elstar.local>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
user-agent: Microsoft-MacOutlook/f.20.0.170309
x-originating-ip: [66.129.241.11]
x-ms-publictraffictype: Email
x-microsoft-exchange-diagnostics: 1; DM5SPR00MB107; 7:eC85vxxjaTURjIIYqIBfqJa320NJuIGIIrK2rw48MFL6XR3qnmKm+gPmLPPB92cM/gUpPC+Q/etJCshgeZ0WURynilfiEeOI0TBFgRRam0g5G+HDXx/CH3gTGmqlYIeTNjkNuulncpAwRgcbzwxtWsCaHPDIqJJAHWJe0bjIObqmNF/sR1H1hYoCptursByMiGkDO6fjbX1hKzWjoWugnnrLOOLVxfbi/CnkcB0pkj1ioGU03uCXWV392Cz9Hltf
x-ms-exchange-antispam-srfa-diagnostics: SSOS;
x-ms-office365-filtering-correlation-id: 2fec48d2-92fc-4974-a3d6-08d55ea19952
x-ms-office365-filtering-ht: Tenant
x-microsoft-antispam: UriScan:; BCL:0; PCL:0; RULEID:(7020095)(4652020)(5600026)(4604075)(3008032)(4534125)(4602075)(4627221)(201703031133081)(201702281549075)(48565401081)(2017052603307)(7153060)(7193020); SRVR:DM5SPR00MB107;
x-ms-traffictypediagnostic: DM5SPR00MB107:
x-ld-processed: bea78b3c-4cdb-4130-854a-1d193232e5f4,ExtAddr
x-microsoft-antispam-prvs: <DM5SPR00MB107A4875347C12079AC3059A5E80@DM5SPR00MB107.namprd05.prod.outlook.com>
x-exchange-antispam-report-test: UriScan:;
x-exchange-antispam-report-cfa-test: BCL:0; PCL:0; RULEID:(6040470)(2401047)(5005006)(8121501046)(93006095)(93001095)(10201501046)(3231023)(944501161)(3002001)(6055026)(6041268)(20161123560045)(20161123562045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(20161123564045)(20161123558120)(6072148)(201708071742011); SRVR:DM5SPR00MB107; BCL:0; PCL:0; RULEID:(100000803101)(100110400095); SRVR:DM5SPR00MB107;
x-forefront-prvs: 05568D1FF7
x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(39380400002)(396003)(366004)(39860400002)(346002)(376002)(189003)(199004)(99286004)(33656002)(97736004)(3280700002)(2900100001)(3660700001)(8676002)(8936002)(68736007)(105586002)(106356001)(6246003)(81156014)(14454004)(478600001)(81166006)(36756003)(77096007)(2950100002)(110136005)(102836004)(76176011)(5660300001)(6506007)(82746002)(7736002)(93886005)(3846002)(6116002)(2906002)(58126008)(66066001)(53936002)(6512007)(26005)(316002)(305945005)(25786009)(6486002)(83506002)(86362001)(83716003)(229853002)(4326008)(6436002); DIR:OUT; SFP:1102; SCL:1; SRVR:DM5SPR00MB107; H:DM5PR05MB3484.namprd05.prod.outlook.com; FPR:; SPF:None; PTR:InfoNoRecords; MX:1; A:1; LANG:en;
received-spf: None (protection.outlook.com: juniper.net does not designate permitted sender hosts)
x-microsoft-antispam-message-info: lv83nqW8d8f0/SGVFXZUCVWR8vhTqvanLEScK/cxiVBiXMdFiJi9iYUWvuikbbgjq6wF2JLD26nDajeYYGu5xw==
spamdiagnosticoutput: 1:99
spamdiagnosticmetadata: NSPM
Content-Type: text/plain; charset="utf-8"
Content-ID: <C417907AE476574D9CF88CB77BAA1B1B@namprd05.prod.outlook.com>
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-OriginatorOrg: juniper.net
X-MS-Exchange-CrossTenant-Network-Message-Id: 2fec48d2-92fc-4974-a3d6-08d55ea19952
X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Jan 2018 18:30:49.7087 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: bea78b3c-4cdb-4130-854a-1d193232e5f4
X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5SPR00MB107
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2018-01-18_08:, , signatures=0
X-Proofpoint-Spam-Details: rule=outbound_spam_notspam policy=outbound_spam score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1711220000 definitions=main-1801180244
Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/cUojTOyJJiQ09txJz9QcTb9ln7A>
Subject: Re: [netmod] schema mount and YANG library
X-BeenThere: netmod@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: NETMOD WG list <netmod.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/>
List-Post: <mailto:netmod@ietf.org>
List-Help: <mailto:netmod-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 18 Jan 2018 18:30:55 -0000

>On Thu, Jan 18, 2018 at 08:25:35AM -0800, joel jaeggli wrote:
>> 
>> Perhaps I apply a different discount rate on the future particularly
>> when timelines are involved. e.g. 3 months turns into a year and half
>> pretty quickly.
>
> I provided a reasoning why 3 months may be feasible, I doubled it
> since its the IETF. You may apply the factor 6. But note that the last
> piece of NMDA (the YANG library) is work reasonably well understood
> with people dedicated to finish the last piece (obviously my very
> biased view).

I believe the issue isn't so much the timing on the YANG Library bis,
so much as the timing on having an updated schema-mount draft that 
is NMDA-compatible.


>> I think it's more a question of can we live with publishing the module
>> now as is? Or can  we not live with publishing it now?
>
> The question is what we expect implementors to do and how we think
> about achieving interoperability by publishing two significantly
> different versions instead of one.

Agreed, we will need to provide guidance with this approach.


Kent // nobody