From nobody Sat Jan 1 05:30:42 2022 Return-Path: <0100017e15d5bc12-fc15c377-b9c4-43b2-98ad-70b9fbd8dea7-000000@amazonses.watsen.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 E6C0F3A11A4 for ; Sat, 1 Jan 2022 05:30:38 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 0.005 X-Spam-Level: X-Spam-Status: No, score=0.005 tagged_above=-999 required=5 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, MIME_QP_LONG_LINE=0.001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=amazonses.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 gS5vIfri23A3 for ; Sat, 1 Jan 2022 05:30:37 -0800 (PST) Received: from a8-96.smtp-out.amazonses.com (a8-96.smtp-out.amazonses.com [54.240.8.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 605263A11A3 for ; Sat, 1 Jan 2022 05:30:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=ug7nbtf4gccmlpwj322ax3p6ow6yfsug; d=amazonses.com; t=1641043836; h=Content-Type:Content-Transfer-Encoding:From:Mime-Version:Subject:Date:Message-Id:References:Cc:In-Reply-To:To:Feedback-ID; bh=UQEA+PmXzsv2Y1cLG7Qbtb0LMiLQSmag+ov+/nvUATM=; b=L10kCcfpRKUHxxIHanUE8WUwVRsdOxDn9LzBaOCh9+5cpMRwDlXWIzmrOaFokgtT sid0QLgxwHEyq9msYGl5HBDJ0lrB5gE306v1+ymHZ3jtK4vA43REL68amERwf/fxWE2 Yg+z9b/wLuJre+kiXNLqqs5N09FZYhJLxMTY09mo= Content-Type: multipart/alternative; boundary=Apple-Mail-A1AD336E-B18F-4AC7-B0C2-455DF13D657D Content-Transfer-Encoding: 7bit From: Kent Watsen Mime-Version: 1.0 (1.0) Date: Sat, 1 Jan 2022 13:30:36 +0000 Message-ID: <0100017e15d5bc12-fc15c377-b9c4-43b2-98ad-70b9fbd8dea7-000000@email.amazonses.com> References: Cc: netmod@ietf.org In-Reply-To: To: tom petch X-Mailer: iPhone Mail (18H107) Feedback-ID: 1.us-east-1.DKmIRZFhhsBhtmFMNikgwZUWVrODEw9qVcPhqJEI2DA=:AmazonSES X-SES-Outgoing: 2022.01.01-54.240.8.96 Archived-At: Subject: Re: [netmod] Camel Case versus hyphenation X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 01 Jan 2022 13:30:39 -0000 --Apple-Mail-A1AD336E-B18F-4AC7-B0C2-455DF13D657D Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable The fist couple paragraphs here apply: https://datatracker.ietf.org/doc/html= /rfc8407#section-4.3.1 I think that it should be =E2=80=9Copen-wait=E2=80=9D (not openwait). Mimic= king RFC values is not as important as having consistency in YANG-driven UI.= Happy 2022 y=E2=80=99all! :) K.=20 > On Dec 31, 2021, at 7:50 AM, tom petch wrote: >=20 > =EF=BB=BFA number of protocols name protocol values using camel case, prot= ocols such as TCP, BGP and PCEP (RFC5440). YANG does not like camel case an= d so some YANG module authors put hyphens in instead, so that OpenWait and K= eepWait become open-wait and keep-wait. (draft-ietf-pce-pcep-yang) =20 >=20 > I strongly believe that the YANG identifiers should follow the protocol id= entifiers but can see that the absence of camel case can make them harder to= read, to follow, perhaps when part of a compound identifier such as peer-ke= epalive-timer. >=20 > Which is then better, openwait or open-wait? Is there some factor that ma= kes one preferable. >=20 > Tom Petch > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod --Apple-Mail-A1AD336E-B18F-4AC7-B0C2-455DF13D657D Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable The fist couple paragraphs here apply: = ;htt= ps://datatracker.ietf.org/doc/html/rfc8407#section-4.3.1

I think that it should be =E2=80=9Copen-wait=E2=80=9D (not openwait= ).  Mimicking RFC values is not as important as having consistency in Y= ANG-driven UI.

Happy 2022 y=E2=80=99all!  :)

K. 

On Dec 31, 2021, at 7:50 AM, tom petch <ietfc@btconnect.com&= gt; wrote:

=EF=BB=BFA number of protocols name protocol values using camel ca= se, protocols such as TCP, BGP and PCEP (RFC5440).  YANG does not like c= amel case and so some YANG module authors put hyphens in instead, so that Op= enWait and KeepWait become open-wait and keep-wait. (draft-ietf-pce-pcep-yan= g)  

I strongly believe that the YANG i= dentifiers should follow the protocol identifiers but can see that the absen= ce of camel case can make them harder to read, to follow, perhaps when part o= f a compound identifier such as peer-keepalive-timer.

Which is then better, openwait or open-wait?  Is there some f= actor that makes one preferable.

Tom Petch<= /span>
_______________________________________________
netmod mailing list
netmod@ietf.org
http= s://www.ietf.org/mailman/listinfo/netmod
=
= --Apple-Mail-A1AD336E-B18F-4AC7-B0C2-455DF13D657D-- From nobody Sat Jan 1 10:21:23 2022 Return-Path: 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 1E2D13A15C6 for ; Sat, 1 Jan 2022 10:21:21 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.711 X-Spam-Level: X-Spam-Status: No, score=-0.711 tagged_above=-999 required=5 tests=[NICE_REPLY_A=-0.714, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-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 YIBgGaiXIIbL for ; Sat, 1 Jan 2022 10:21:17 -0800 (PST) Received: from mail-pl1-f169.google.com (mail-pl1-f169.google.com [209.85.214.169]) (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 F14F53A15C4 for ; Sat, 1 Jan 2022 10:21:16 -0800 (PST) Received: by mail-pl1-f169.google.com with SMTP id p14so22149745plf.3 for ; Sat, 01 Jan 2022 10:21:16 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:references:from:in-reply-to :content-transfer-encoding; bh=4IaFfalnDc2e1RXPFcvPhSRLM4e9wGHdhwesUsSodXE=; b=BYKYx22t5T9oV0agn00LuTNhAcnHhMQgyGaLC/9EnOynqWr9+SqXxWCvylOEKbkD3U oS2LqCku2eX/0WafAgb5mfE1ikfLqLm6C6Ji9utFWeC2l4dBzzgwclhWkX4XJyawhAxe yws6lYqNdKjV4vkfjzwwtEMqkobCJrVq7Xp+2qNFFQa2/qfsqS5J8W/d6ol3BNomz6I1 9UDiOpbA1tHioOVwP0ob2xM3mvMeWruYuXa4sSvRxVhxeoTbItM6ugJ8J1+zw9CJLxb3 AuSck2LquqIqbIbnHdfKE69WLdOj3q1He5JAS1ZtcKfanYPVpyBIY06IMvc3LqdKWtcJ cBDg== X-Gm-Message-State: AOAM530PdXys9Wo99ST6sup+p02F5qHBYhwxLFd1IY4wbRATBSvwhUQ0 H13USLngqq+PfQIK3qWBAZjhXu5AtdfwEg== X-Google-Smtp-Source: ABdhPJxcCF44UguWpZaa0hWRjP/ck3ucoX63PEq7AbTvhIQbbo40nHqIt69YCHUVcnxEKaRTHi17FQ== X-Received: by 2002:a17:90a:bc46:: with SMTP id t6mr48847475pjv.78.1641061276395; Sat, 01 Jan 2022 10:21:16 -0800 (PST) Received: from ?IPV6:2601:646:9300:112b:45f9:bafc:9311:e6b8? ([2601:646:9300:112b:45f9:bafc:9311:e6b8]) by smtp.gmail.com with ESMTPSA id z2sm34925776pfh.188.2022.01.01.10.21.15 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 01 Jan 2022 10:21:16 -0800 (PST) Message-ID: Date: Sat, 1 Jan 2022 10:21:15 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.4.1 Content-Language: en-US To: netmod@ietf.org References: <0100017e15d5bc12-fc15c377-b9c4-43b2-98ad-70b9fbd8dea7-000000@email.amazonses.com> From: Randy Presuhn In-Reply-To: <0100017e15d5bc12-fc15c377-b9c4-43b2-98ad-70b9fbd8dea7-000000@email.amazonses.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Archived-At: Subject: Re: [netmod] Camel Case versus hyphenation X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 01 Jan 2022 18:21:21 -0000 Hi - On 2022-01-01 5:30 AM, Kent Watsen wrote: > The fist couple paragraphs here apply: > https://datatracker.ietf.org/doc/html/rfc8407#section-4.3.1 > > > I think that it should be “open-wait” (not openwait).  Mimicking RFC > values is not as important as having consistency in YANG-driven UI. The cited text supports the argument that one could use "OpenWait". In particular, "Uppercase characters, the period character, and the underscore character MAY be used if the identifier represents a well-known value that uses these characters." Cases like "OpenWait" seem to be the reason that the preference for lower case is a "SHOULD" rather than a "MUST". With such cases explicitly accounted for in the standard, there's no reason to kluge around them. 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Sat, 1 Jan 2022 19:25:58 +0000 Date: Sat, 1 Jan 2022 20:25:56 +0100 From: =?utf-8?B?SsO8cmdlbiBTY2jDtm53w6RsZGVy?= To: tom petch Cc: "netmod@ietf.org" Message-ID: <20220101192556.527jxoj55laqpjna@anna> Reply-To: Juergen Schoenwaelder Mail-Followup-To: tom petch , "netmod@ietf.org" References: Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: AM4PR0202CA0004.eurprd02.prod.outlook.com (2603:10a6:200:89::14) To AM0P190MB0641.EURP190.PROD.OUTLOOK.COM (2603:10a6:208:194::23) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 34692635-79c5-411a-47cc-08d9cd5c8a17 X-MS-TrafficTypeDiagnostic: AM0P190MB0787:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:9508; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; 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YANG does not like camel case and so some YANG module authors put hyphens in instead, so that OpenWait and KeepWait become open-wait and keep-wait. (draft-ietf-pce-pcep-yang) > > I strongly believe that the YANG identifiers should follow the protocol identifiers but can see that the absence of camel case can make them harder to read, to follow, perhaps when part of a compound identifier such as peer-keepalive-timer. > > Which is then better, openwait or open-wait? Is there some factor that makes one preferable. > I grepped the RFCs and it seems OpenWait is only used by PCE/PCEP. I am not sure where TCP (RFC 793) uses camel case, I did not spot anything. BGP (RFC 4271) seems to use camel case in the definition of attributes used by the finite state machine. That said, draft-ietf-idr-bgp-model-12.txt uses leaf names such as hold-time. I agree with Kent that the consistency of the management API must be considered when deciding whether an exception of the "SHOULD be lowercase" rule is justified. I think draft-ietf-pce-pcep-yang-17.txt follows the "SHOULD be lowercase" rule and this is just fine. /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 From nobody Sun Jan 2 01:44:18 2022 Return-Path: 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 900B33A2005 for ; Sun, 2 Jan 2022 01:44:16 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.097 X-Spam-Level: X-Spam-Status: No, score=-2.097 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, PDS_NAKED_TO_NUMERO=0.001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=4668.se header.b=p3PpcOBw; 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Sun, 2 Jan 2022 04:44:06 -0500 (EST) Date: Sun, 02 Jan 2022 10:43:42 +0100 (CET) Message-Id: <20220102.104342.1798498444839381722.id@4668.se> To: ladislav.lhotka@nic.cz Cc: cabo@tzi.org, netmod@ietf.org From: Martin =?iso-8859-1?Q?Bj=F6rklund?= In-Reply-To: <87sfu9w0t0.fsf@nic.cz> References: <2F6E4A1B-618E-4CAA-AFAE-9C41609B1B7A@tzi.org> <87sfu9w0t0.fsf@nic.cz> X-Mailer: Mew version 6.8 on Emacs 26.3 Mime-Version: 1.0 Content-Type: Text/Plain; charset=utf-8 Content-Transfer-Encoding: base64 Archived-At: Subject: Re: [netmod] YANG 'when' with absolute path X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Jan 2022 09:44:17 -0000 SGksDQoNCkxhZGlzbGF2IExob3RrYSA8bGFkaXNsYXYubGhvdGthQG5pYy5jej4gd3JvdGU6DQo+ IENhcnN0ZW4gQm9ybWFubiA8Y2Fib0B0emkub3JnPiB3cml0ZXM6DQo+IA0KPiA+IE9uIDIwMjEt MTItMzAsIGF0IDEzOjI5LCB0b20gcGV0Y2ggPGlldGZjQGJ0Y29ubmVjdC5jb20+IHdyb3RlOg0K PiA+PiANCj4gPj4gICAgICAgd2hlbiAiLi4vLi4vLi4vLi4vLi4vLi4vbnc6bmV0d29yay10eXBl cy90ZXQ6dGUtdG9wb2xvZ3kv4oCcDQo+ID4NCj4gPiBJ4oCZbSBwcm9iYWJseSBzaG93aW5nIG15 IGlnbm9yYW5jZSBhYm91dCBZQU5HIGFnYWluLCBidXQgd2hhdCBpcyB0aGUgcmVhc29uIHRoaXMg aXMgbm90IHBocmFzZWQgYXMNCj4gPg0KPiA+ICAgICAgIHdoZW4gIi4vYW5jZXN0b3I6Om53Om5l dHdvcmstdHlwZXMvdGV0OnRlLXRvcG9sb2d5L+KAnA0KPiANCj4gWWVzLCB0aGlzIHdvdWxkIHdv cmssIHdpdGggYSBtaW5vciBjb3JyZWN0aW9uOg0KPiANCj4gICAgIHdoZW4gIi4vYW5jZXN0b3I6 Om5vZGUoKS9udzpuZXR3b3JrLXR5cGVzL3RldDp0ZS10b3BvbG9neSINCj4gDQo+IGJlY2F1c2Ug J253Om5ldHdvcmstdHlwZXMnIGlzbid0IGFuIGFuY2VzdG9yIG9mIHRoZSBjb250ZXh0IG5vZGUu IEFsc28sIHRoZSBpbml0aWFsICcuLycgaXNuJ3QgYWN0dWFsbHkgbmVlZGVkLCBoZW5jZQ0KPiAN Cj4gICAgIHdoZW4gImFuY2VzdG9yOjpub2RlKCkvbnc6bmV0d29yay10eXBlcy90ZXQ6dGUtdG9w b2xvZ3kiDQoNCk9yIHRoZSBtb3JlIGRpcmVjdDoNCg0KICAgIHdoZW4gImFuY2VzdG9yOjpudzpu ZXR3b3JrL253Om5ldHdvcmstdHlwZXMvdGV0OnRlLXRvcG9sb2d5Ig0KDQpUaGlzIHN0eWxlIHdv cmtzIGlmIHdlIGNhbiBndWFyYW50ZWUgdGhhdCB0aGVyZSB3aWxsIGJlIGV4YWN0bHkgb25lDQpu b2RlICJudzpuZXR3b3JrIiBhbW9uZyBvdXIgYW5jZXN0b3JzLg0KDQpJdCBpcyBwZXJoYXBzIGVh c2llciB0byBnZXQgdGhpcyBzdHlsZSByaWdodCB3L28gYSBZQU5HIGNvbXBpbGVyDQood2hpY2gg d291bGQgZGV0ZWN0IGlmIHRoZSBudW1iZXIgb2YgIi4uIiBpbiB0aGUgcmVsYXRpdmUgcGF0aCBp cw0Kd3JvbmcpLCBidXQgdGhlIHJlbGF0aXZlIHBhdGggbWlnaHQgYmUgZWFzaWVyIHRvIHVuZGVy c3RhbmQgZm9yIGENCmNhc3VhbCByZWFkZXIuDQoNCg0KDQovbWFydGluDQoNCg0KDQo+IA0KPiBM YWRhDQo+IA0KPiA+DQo+ID4gPw0KPiA+DQo+ID4gR3LDvMOfZSwgQ2Fyc3Rlbg0KPiA+DQo+ID4g X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18NCj4gPiBuZXRt b2QgbWFpbGluZyBsaXN0DQo+ID4gbmV0bW9kQGlldGYub3JnDQo+ID4gaHR0cHM6Ly93d3cuaWV0 Zi5vcmcvbWFpbG1hbi9saXN0aW5mby9uZXRtb2QNCj4gDQo+IC0tIA0KPiBMYWRpc2xhdiBMaG90 a2ENCj4gSGVhZCwgQ1ouTklDIExhYnMNCj4gUEdQIEtleSBJRDogMHhCOEY5MkIwOEE5Rjc2QzY3 DQo+IA0KPiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXw0K PiBuZXRtb2QgbWFpbGluZyBsaXN0DQo+IG5ldG1vZEBpZXRmLm9yZw0KPiBodHRwczovL3d3dy5p ZXRmLm9yZy9tYWlsbWFuL2xpc3RpbmZvL25ldG1vZA0K From nobody Sun Jan 2 01:58:00 2022 Return-Path: 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 74EB43A2039 for ; 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Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Content-Language: en-US To: =?UTF-8?Q?Martin_Bj=c3=b6rklund?= Cc: cabo@tzi.org, netmod@ietf.org References: <2F6E4A1B-618E-4CAA-AFAE-9C41609B1B7A@tzi.org> <87sfu9w0t0.fsf@nic.cz> <20220102.104342.1798498444839381722.id@4668.se> From: Ladislav Lhotka Organization: CZ.NIC In-Reply-To: <20220102.104342.1798498444839381722.id@4668.se> 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: Subject: Re: [netmod] YANG 'when' with absolute path X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Jan 2022 09:58:00 -0000 On 02. 01. 22 10:43, Martin Björklund wrote: > Hi, > > Ladislav Lhotka wrote: >> Carsten Bormann writes: >> >>> On 2021-12-30, at 13:29, tom petch wrote: >>>> >>>> when "../../../../../../nw:network-types/tet:te-topology/“ >>> >>> I’m probably showing my ignorance about YANG again, but what is the reason this is not phrased as >>> >>> when "./ancestor::nw:network-types/tet:te-topology/“ >> >> Yes, this would work, with a minor correction: >> >> when "./ancestor::node()/nw:network-types/tet:te-topology" >> >> because 'nw:network-types' isn't an ancestor of the context node. Also, the initial './' isn't actually needed, hence >> >> when "ancestor::node()/nw:network-types/tet:te-topology" > > Or the more direct: > > when "ancestor::nw:network/nw:network-types/tet:te-topology" Right, this is the best option. > > This style works if we can guarantee that there will be exactly one > node "nw:network" among our ancestors. > > It is perhaps easier to get this style right w/o a YANG compiler > (which would detect if the number of ".." in the relative path is > wrong), but the relative path might be easier to understand for a > casual reader. +1 Lada > > > > /martin > > > >> >> Lada >> >>> >>> ? >>> >>> Grüße, Carsten >>> >>> _______________________________________________ >>> netmod mailing list >>> netmod@ietf.org >>> https://www.ietf.org/mailman/listinfo/netmod >> >> -- >> Ladislav Lhotka >> Head, CZ.NIC Labs >> PGP Key ID: 0xB8F92B08A9F76C67 >> >> _______________________________________________ >> netmod mailing list >> netmod@ietf.org >> https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Mon Jan 3 13:05:23 2022 Return-Path: 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 0F97F3A0CCF for ; Mon, 3 Jan 2022 13:05:21 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, 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 AAP0e9CQSFR5 for ; Mon, 3 Jan 2022 13:05:18 -0800 (PST) Received: from gabriel-smtp.zfn.uni-bremen.de (gabriel-smtp.zfn.uni-bremen.de [134.102.50.15]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 59C0A3A0CCD for ; Mon, 3 Jan 2022 13:05:18 -0800 (PST) Received: from [192.168.217.118] (p5089a436.dip0.t-ipconnect.de [80.137.164.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-smtp.zfn.uni-bremen.de (Postfix) with ESMTPSA id 4JSStz5hqgzDCcb; Mon, 3 Jan 2022 22:05:15 +0100 (CET) From: Carsten Bormann Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Mao-Original-Outgoing-Id: 662936715.256176-2ffc6542e0791bcbd1c937a9fcf5d846 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.7\)) Date: Mon, 3 Jan 2022 22:05:15 +0100 Message-Id: <0A8D10A6-8C07-4795-AD03-18FD6A3FFEAD@tzi.org> To: netmod@ietf.org X-Mailer: Apple Mail (2.3608.120.23.2.7) Archived-At: Subject: [netmod] =?utf-8?b?UkZDIDY5OTEgYW5kIOCnqOCnpuCnqOCnqC3gp6bgp6ct?= =?utf-8?b?4Kem4KepVOCnqOCnpzrgp6rgp6Y64Kem4Kem?= X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Jan 2022 21:05:21 -0000 Does my little example of the approximate current time = (=E0=A7=A8=E0=A7=A6=E0=A7=A8=E0=A7=A8-=E0=A7=A6=E0=A7=A7-=E0=A7=A6=E0=A7=A9= T=E0=A7=A8=E0=A7=A7:=E0=A7=AA=E0=A7=A6:=E0=A7=A6=E0=A7=A6) match RFC = 6991 date-and-time? I think it does, but I=E2=80=99m also pretty sure that wasn=E2=80=99t = intended. There are a few more cases of \d in RFC 6991, where the equivalent = definitely wouldn=E2=80=99t work. Happy new year =E0=A7=A8=E0=A7=A6=E0=A7=A8=E0=A7=A8 (*), anyway :-) Gr=C3=BC=C3=9Fe, Carsten (*) (I know we are in =E0=A7=A7=E0=A7=AA=E0=A7=A8=E0=A7=AE in at least = some of the calendars that would use this writing system=E2=80=A6) From nobody Mon Jan 3 13:25:49 2022 Return-Path: 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 E1A1C3A0D38 for ; Mon, 3 Jan 2022 13:25:47 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=jacobsuniversity.onmicrosoft.com Received: from mail.ietf.org ([4.31.198.44]) by localhost 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[netmod] =?utf-8?b?UkZDIDY5OTEgYW5kIOCnqOCnpuCnqOCnqC3gp6bgp6ct?= =?utf-8?b?4Kem4KepVOCnqOCnpzrgp6rgp6Y64Kem4Kem?= X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Jan 2022 21:25:48 -0000 On Mon, Jan 03, 2022 at 10:05:15PM +0100, Carsten Bormann wrote: > Does my little example of the approximate current time (২০২২-০১-০৩T২১:৪০:০০) match RFC 6991 date-and-time? > > I think it does, but I’m also pretty sure that wasn’t intended. > There are a few more cases of \d in RFC 6991, where the equivalent definitely wouldn’t work. > The example may pass the pattern but it likely does not statisfy the additional requirements spelled out in the description statement. /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 From nobody Mon Jan 3 15:03:28 2022 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Received: from [192.168.217.118] (p5089a436.dip0.t-ipconnect.de [80.137.164.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-smtp.zfn.uni-bremen.de (Postfix) with ESMTPSA id 4JSWW94nLKzDCbT; Tue, 4 Jan 2022 00:03:17 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.7\)) From: Carsten Bormann In-Reply-To: <20220103212536.vbractoyqueyq4yg@anna> Date: Tue, 4 Jan 2022 00:03:17 +0100 Cc: netmod@ietf.org X-Mao-Original-Outgoing-Id: 662943797.296928-5dde1ce9a4e3266ae0d00c3728cc517e Content-Transfer-Encoding: quoted-printable Message-Id: References: <0A8D10A6-8C07-4795-AD03-18FD6A3FFEAD@tzi.org> <20220103212536.vbractoyqueyq4yg@anna> To: Juergen Schoenwaelder X-Mailer: Apple Mail (2.3608.120.23.2.7) Archived-At: Subject: Re: [netmod] =?utf-8?b?UkZDIDY5OTEgYW5kIOCnqOCnpuCnqOCnqC3gp6bgp6ct?= =?utf-8?b?4Kem4KepVOCnqOCnpzrgp6rgp6Y64Kem4Kem?= X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Jan 2022 23:03:26 -0000 Hi J=C3=BCrgen, On 2022-01-03, at 22:25, J=C3=BCrgen Sch=C3=B6nw=C3=A4lder = wrote: >=20 > On Mon, Jan 03, 2022 at 10:05:15PM +0100, Carsten Bormann wrote: >> Does my little example of the approximate current time = (=E0=A7=A8=E0=A7=A6=E0=A7=A8=E0=A7=A8-=E0=A7=A6=E0=A7=A7-=E0=A7=A6=E0=A7=A9= T=E0=A7=A8=E0=A7=A7:=E0=A7=AA=E0=A7=A6:=E0=A7=A6=E0=A7=A6) match RFC = 6991 date-and-time? >>=20 >> I think it does, but I=E2=80=99m also pretty sure that wasn=E2=80=99t = intended. >> There are a few more cases of \d in RFC 6991, where the equivalent = definitely wouldn=E2=80=99t work. >>=20 >=20 > The example may pass the pattern but it likely does not statisfy the > additional requirements spelled out in the description statement. I understand that, but there are two observations: (1) as noted, the pattern is too permissive (unnecessarily so, as \d can = simply be replaced with [0-9] to match Section 5.6 of RFC 3339). (2) but you cannot ignore the pattern, as it also is more restrictive = than the description indicates (it requires capital T and, if present, = capital Z =E2=80=94 see the note in Section 5.6 on how such a = restriction of the case-insensitive RFC 3339 format is allowed, but then = the assertion "The profile is defined by the date-time production in = Section 5.6 of RFC 3339.=E2=80=9D in the YANG description statement is, = err, not the whole story). (Background: We are wrangling with regexps in JSONPATH and date/time = formats in SEDATE, and I=E2=80=99d like to make sure what we do there = fits with what we can learn from YANG.) 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X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM9P190MB1329 Archived-At: Subject: Re: [netmod] =?utf-8?b?UkZDIDY5OTEgYW5kIOCnqOCnpuCnqOCnqC3gp6bgp6ct?= =?utf-8?b?4Kem4KepVOCnqOCnpzrgp6rgp6Y64Kem4Kem?= X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Jan 2022 00:15:18 -0000 On Tue, Jan 04, 2022 at 12:03:17AM +0100, Carsten Bormann wrote: > Hi Jürgen, > > On 2022-01-03, at 22:25, Jürgen Schönwälder wrote: > > > > On Mon, Jan 03, 2022 at 10:05:15PM +0100, Carsten Bormann wrote: > >> Does my little example of the approximate current time (২০২২-০১-০৩T২১:৪০:০০) match RFC 6991 date-and-time? > >> > >> I think it does, but I’m also pretty sure that wasn’t intended. > >> There are a few more cases of \d in RFC 6991, where the equivalent definitely wouldn’t work. > >> > > > > The example may pass the pattern but it likely does not statisfy the > > additional requirements spelled out in the description statement. > > I understand that, but there are two observations: > > (1) as noted, the pattern is too permissive (unnecessarily so, as \d can simply be replaced with [0-9] to match Section 5.6 of RFC 3339). There are always discussions about how strict pattern should be. If you look at draft-ietf-netmod-rfc6991-bis-08, you will see that changes were already proposed to tighten the pattern to exclude some invalid numbers - at the expense of readability, the usual trade-off. That said, perhaps it is a good idea to replace the remaining uses of \d in ietf-yang-types where we really mean [0-9] to clearly exclude any other characters representing digits. > (2) but you cannot ignore the pattern, as it also is more restrictive than the description indicates (it requires capital T and, if present, capital Z — see the note in Section 5.6 on how such a restriction of the case-insensitive RFC 3339 format is allowed, but then the assertion "The profile is defined by the date-time production in Section 5.6 of RFC 3339.” in the YANG description statement is, err, not the whole story). Yes, both, the pattern statement(s) and the description statement are relevant. I have no direct access to ISO 8601 so I can't check what it actually says about t and z. Wikipedia gives this little bit of information: In ISO 8601:2004 it was permitted to omit the "T" character by mutual agreement as in "200704051430", but this provision was removed in ISO 8601-1:2019. Separating date and time parts with other characters such as space is not allowed in ISO 8601, but allowed in its profile RFC 3339. [https://en.wikipedia.org/w/index.php?title=ISO_8601&oldid=1062916554] If we would have allowed t and z for YANG's date-and-time, then we may have created another incompatibility with the XSD dateTime definition, which I think only allows T and Z. Given that we are in 2022, it may be reasonably safe to assume that systems can create or process the two capital letters T and Z. ;-) /js -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 From nobody Mon Jan 3 16:27:43 2022 Return-Path: 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 520A03A12CC for ; Mon, 3 Jan 2022 16:27:41 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, 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 Y00Tjfk1OTGp for ; Mon, 3 Jan 2022 16:27:36 -0800 (PST) Received: from gabriel-smtp.zfn.uni-bremen.de (gabriel-smtp.zfn.uni-bremen.de [IPv6:2001:638:708:32::15]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4F6C53A12C9 for ; Mon, 3 Jan 2022 16:27:34 -0800 (PST) Received: from smtpclient.apple (p5089a436.dip0.t-ipconnect.de [80.137.164.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-smtp.zfn.uni-bremen.de (Postfix) with ESMTPSA id 4JSYNL29wSzDCbN; Tue, 4 Jan 2022 01:27:30 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 15.0 \(3693.40.0.1.81\)) From: Carsten Bormann In-Reply-To: <20220104001508.qakjeuquq3ebkyy4@anna> Date: Tue, 4 Jan 2022 01:27:29 +0100 Cc: netmod@ietf.org Content-Transfer-Encoding: quoted-printable Message-Id: <05A98138-6930-4DAA-BD92-076F0FB04DD4@tzi.org> References: <0A8D10A6-8C07-4795-AD03-18FD6A3FFEAD@tzi.org> <20220103212536.vbractoyqueyq4yg@anna> <20220104001508.qakjeuquq3ebkyy4@anna> To: Juergen Schoenwaelder X-Mailer: Apple Mail (2.3693.40.0.1.81) Archived-At: Subject: Re: [netmod] =?utf-8?b?UkZDIDY5OTEgYW5kIOCnqOCnpuCnqOCnqC3gp6bgp6ct?= =?utf-8?b?4Kem4KepVOCnqOCnpzrgp6rgp6Y64Kem4Kem?= X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Jan 2022 00:27:41 -0000 > That said, perhaps it is a good idea to replace the remaining uses of > \d in ietf-yang-types where we really mean [0-9] to clearly exclude > any other characters representing digits. Probably. I keep a little unscientific list of regexp uses in RFCs, and the YANG = RFCs are unusual in actually using \d (and clearly not expecting the = actual semantics of \d to be used), so this is how I noticed the issue. > If we would have allowed t and z for YANG's date-and-time, then we may > have created another incompatibility with the XSD dateTime definition, > which I think only allows T and Z. Given that we are in 2022, it may > be reasonably safe to assume that systems can create or process the > two capital letters T and Z. ;-) I=E2=80=99m not criticizing the decision to go for upper-case here = (case-insensitivity is a remnant from the 1960s/1970s that really needs = to be expunged). I was just commenting how first referencing the unmodified RFC 3339 = rules (which pointlessly by default is case-insensitive here) in the = description statement and then silently changing the allowable = characters via the pattern statement is probably not the best way the = pattern and description statements can interact. I need to read 6991-bis... 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: btconnect.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM7PR07MB6248.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 066f530b-c316-411b-20ad-08d9cf718792 X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Jan 2022 11:01:16.1609 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: cf8853ed-96e5-465b-9185-806bfe185e30 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: lCo0ttCNhSf+HvqQnaqEZL4o+/vlkLCK6AkTgxYPinBZJpV/Yyo0gMJxGmjgoh3ORAUl34hBeRRq/bs7dpuTcA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAXPR07MB7950 Archived-At: Subject: Re: [netmod] Camel Case versus hyphenation X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Jan 2022 11:01:28 -0000 From: J=FCrgen Sch=F6nw=E4lder =0A= Sent: 01 January 2022 19:25=0A= =0A= On Fri, Dec 31, 2021 at 12:42:46PM +0000, tom petch wrote:=0A= > A number of protocols name protocol values using camel case, protocols su= ch as TCP, BGP and PCEP (RFC5440). YANG does not like camel case and so so= me YANG module authors put hyphens in instead, so that OpenWait and KeepWai= t become open-wait and keep-wait. (draft-ietf-pce-pcep-yang)=0A= >=0A= > I strongly believe that the YANG identifiers should follow the protocol i= dentifiers but can see that the absence of camel case can make them harder = to read, to follow, perhaps when part of a compound identifier such as peer= -keepalive-timer.=0A= >=0A= > Which is then better, openwait or open-wait? Is there some factor that m= akes one preferable.=0A= =0A= I grepped the RFCs and it seems OpenWait is only used by PCE/PCEP. =0A= =0A= =0A= Yes, it is PCEP that has made me raise this. PCEP (RFC5440) has Keepalive,= OpenWait. pcep-yang has keepalive, open-wait which I thought wrong.=0A= =0A= I am not sure where TCP (RFC 793) uses camel case, I did not spot=0A= anything. =0A= =0A= =0A= TCP likes hyphenation FIN-WAIT, CLOSE-WAIT which RFC1122 follows with keep-= alive but in places 793bis has Keep-Alive ie both!=0A= =0A= BGP (RFC 4271) seems to use camel case in the definition of=0A= attributes used by the finite state machine. That said,=0A= draft-ietf-idr-bgp-model-12.txt uses leaf names such as hold-time.=0A= =0A= =0A= Yes and I think that wrong. For me the FSM is close to the code and so to t= he YANG model and so gives the correct identifiers to be used. opsawg-l3sm= -l3nm uses hold-time which I commented on but my comment was disregarded.= =0A= =0A= =0A= I agree with Kent that the consistency of the management API must be=0A= considered when deciding whether an exception of the "SHOULD be=0A= lowercase" rule is justified. I think draft-ietf-pce-pcep-yang-17.txt=0A= follows the "SHOULD be lowercase" rule and this is just fine.=0A= =0A= =0A= =0A= Well, consistency with what? For me that is the protocol RFC that is the st= arting point and having YANG module authors going off in another direction,= albeit consistently, is likely to be a source of confusion.=0A= =0A= Tom Petch=0A= =0A= /js=0A= =0A= --=0A= Juergen Schoenwaelder Jacobs University Bremen gGmbH=0A= Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany=0A= Fax: +49 421 200 3103 =0A= From nobody Tue Jan 4 03:26:56 2022 Return-Path: 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 D92C83A1B16 for ; Tue, 4 Jan 2022 03:26:54 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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For me that is the protocol RFC that is the starting point and having YANG module authors going off in another direction, albeit consistently, is likely to be a source of confusion. > If someone tells a human operator over the phone to set the wait time to 42, then it is likely that the operator assumes the leaf is called wait-time. Many network operators are not state machine implementors and they likely appreciate consistency at the management interface more than consistency with the spelling in some protocol specs. /js -- Jürgen Schönwälder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 From nobody Tue Jan 4 07:23:47 2022 Return-Path: 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 DEE733A1D65 for ; Tue, 4 Jan 2022 07:23:45 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: 3.103 X-Spam-Level: *** X-Spam-Status: No, score=3.103 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, GB_SUMOF=5, SPF_HELO_NONE=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=no 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 lt8topjboS9P for ; Tue, 4 Jan 2022 07:23:41 -0800 (PST) Received: from smtp.chopps.org (smtp.chopps.org [54.88.81.56]) by ietfa.amsl.com (Postfix) with ESMTP id 121993A1D64 for ; Tue, 4 Jan 2022 07:23:40 -0800 (PST) Received: from smtpclient.apple (172-222-101-062.res.spectrum.com [172.222.101.62]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by smtp.chopps.org (Postfix) with ESMTPSA id 3EFF87D002; Tue, 4 Jan 2022 15:23:40 +0000 (UTC) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 15.0 \(3693.40.0.1.81\)) From: Christian Hopps In-Reply-To: <20220104112644.dx4ab4u5gifsu4w5@anna> Date: Tue, 4 Jan 2022 10:23:39 -0500 Cc: Christian Hopps , tom petch , "netmod@ietf.org" Content-Transfer-Encoding: quoted-printable Message-Id: References: <20220101192556.527jxoj55laqpjna@anna> <20220104112644.dx4ab4u5gifsu4w5@anna> To: Juergen Schoenwaelder X-Mailer: Apple Mail (2.3693.40.0.1.81) Archived-At: Subject: Re: [netmod] Camel Case versus hyphenation X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Jan 2022 15:23:46 -0000 > On Jan 4, 2022, at 6:26 AM, J=C3=BCrgen Sch=C3=B6nw=C3=A4lder = wrote: >=20 > On Tue, Jan 04, 2022 at 11:01:16AM +0000, tom petch wrote: >>=20 >> Well, consistency with what? For me that is the protocol RFC that is = the starting point and having YANG module authors going off in another = direction, albeit consistently, is likely to be a source of confusion. >>=20 >=20 > If someone tells a human operator over the phone to set the wait time > to 42, then it is likely that the operator assumes the leaf is called > wait-time. Many network operators are not state machine implementors > and they likely appreciate consistency at the management interface > more than consistency with the spelling in some protocol specs. 100% agree. The vast majority of the users of these YANG modules and models will = probably never read the multitude of underlying RFCs. What they will do = is interact with the sum of many modules that model these RFCS, maybe = even using a single unified management system. I think consistency = should be defined in that context then, from the users standpoint. Thanks, Chris. >=20 > /js >=20 > --=20 > J=C3=BCrgen Sch=C3=B6nw=C3=A4lder Jacobs University = Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 >=20 > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod From nobody Tue Jan 4 07:33:35 2022 Return-Path: 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 0EE043A1D79 for ; Tue, 4 Jan 2022 07:33:33 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-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 8GR2ciXcEhM4 for ; Tue, 4 Jan 2022 07:33:28 -0800 (PST) Received: from gabriel-smtp.zfn.uni-bremen.de (gabriel-smtp.zfn.uni-bremen.de [134.102.50.15]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4B8343A1D77 for ; Tue, 4 Jan 2022 07:33:27 -0800 (PST) Received: from [192.168.217.118] (p5089a436.dip0.t-ipconnect.de [80.137.164.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-smtp.zfn.uni-bremen.de (Postfix) with ESMTPSA id 4JSxTd4bCRzDCbb; Tue, 4 Jan 2022 16:33:25 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.7\)) From: Carsten Bormann In-Reply-To: <20220104112644.dx4ab4u5gifsu4w5@anna> Date: Tue, 4 Jan 2022 16:33:25 +0100 X-Mao-Original-Outgoing-Id: 663003205.251277-3e32c31b4ff48670c154adca80e6ac0e Content-Transfer-Encoding: quoted-printable Message-Id: <4B9A796B-318F-4C5C-8E3E-F6CAA1A932D9@tzi.org> References: <20220101192556.527jxoj55laqpjna@anna> <20220104112644.dx4ab4u5gifsu4w5@anna> To: "netmod@ietf.org" X-Mailer: Apple Mail (2.3608.120.23.2.7) Archived-At: Subject: Re: [netmod] Camel Case versus hyphenation X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Jan 2022 15:33:33 -0000 On 2022-01-04, at 12:26, J=C3=BCrgen Sch=C3=B6nw=C3=A4lder = wrote: >=20 > tells a human operator over the phone Indeed, a consistent convention wins. The question was whether the consistency should be on the YANG side or = on the side of each specific application modeled in YANG, and I think = operationally we have a strong argument for the former (the poor = applications people need to learn YANG anyway and they can learn that = convention along the way). By the way, hyphenation is something different (dividing a word to = obtain a line break and inserting a hyphen); the word you are looking = for is kebab-case [1]. Gr=C3=BC=C3=9Fe, Carsten [1]: https://en.wiktionary.org/wiki/kebab_case (To maximize confusion, this link actually uses snake_case [2], duuh=E2=80= =A6) [2]: https://en.wiktionary.org/wiki/snake_case From nobody Tue Jan 4 09:11:07 2022 Return-Path: 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 CF50D3A1E81 for ; Tue, 4 Jan 2022 09:11:05 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=btconnect.onmicrosoft.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 FmerKQVkYTrX for ; 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charset="Windows-1252" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: btconnect.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM7PR07MB6248.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: ca50d736-fe5d-4e49-cce3-08d9cfa52961 X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Jan 2022 17:10:51.9371 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: cf8853ed-96e5-465b-9185-806bfe185e30 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: tcyL2TZPtJq1heAlqY/SosJbqx0Tuv/kWDNFUG0qOcjXMewHgfXMMONSD3AIiR0RmMuEd9rXP/VGQ4Lx2wvvKg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR07MB3285 Archived-At: Subject: Re: [netmod] Camel Case versus hyphenation X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Jan 2022 17:11:06 -0000 From: netmod on behalf of Carsten Bormann =0A= Sent: 04 January 2022 15:33=0A= =0A= On 2022-01-04, at 12:26, J=FCrgen Sch=F6nw=E4lder wrote:=0A= >=0A= > tells a human operator over the phone=0A= =0A= Indeed, a consistent convention wins.=0A= =0A= The question was whether the consistency should be on the YANG side or on t= he side of each specific application modeled in YANG, and I think operation= ally we have a strong argument for the former (the poor applications people= need to learn YANG anyway and they can learn that convention along the way= ).=0A= =0A= By the way, hyphenation is something different (dividing a word to obtain a= line break and inserting a hyphen); the word you are looking for is kebab-= case [1].=0A= =0A= =0A= The OED defined hyphenation as meaning 'contains a hyphen' so I shall stay = with that pro tem.=0A= =0A= I prefer the absence of hyphens so I do not have to spell out their presenc= e over the phone to the operator who is trying to restore their crashed pay= ments system. Case insensitivity helps in that regard as well.=0A= =0A= Tom Petch=0A= Gr=FC=DFe, Carsten=0A= =0A= [1]: https://en.wiktionary.org/wiki/kebab_case=0A= (To maximize confusion, this link actually uses snake_case [2], duuh=85)=0A= [2]: https://en.wiktionary.org/wiki/snake_case=0A= =0A= _______________________________________________=0A= netmod mailing list=0A= netmod@ietf.org=0A= https://www.ietf.org/mailman/listinfo/netmod=0A= From nobody Tue Jan 4 09:31:48 2022 Return-Path: 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 8D7543A1E9C for ; Tue, 4 Jan 2022 09:31:47 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-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 AIeg3xh4Yv1G for ; Tue, 4 Jan 2022 09:31:42 -0800 (PST) Received: from gabriel-smtp.zfn.uni-bremen.de (gabriel-smtp.zfn.uni-bremen.de [134.102.50.15]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 7D1543A07A0 for ; Tue, 4 Jan 2022 09:31:42 -0800 (PST) Received: from [192.168.217.118] (p5089a436.dip0.t-ipconnect.de [80.137.164.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-smtp.zfn.uni-bremen.de (Postfix) with ESMTPSA id 4JT0640TQ2zDCbp; Tue, 4 Jan 2022 18:31:40 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.7\)) From: Carsten Bormann In-Reply-To: Date: Tue, 4 Jan 2022 18:31:39 +0100 Cc: "netmod@ietf.org" X-Mao-Original-Outgoing-Id: 663010299.698099-c547b87817e0d3f039ecaf6c75cdb930 Content-Transfer-Encoding: quoted-printable Message-Id: References: <20220101192556.527jxoj55laqpjna@anna> <20220104112644.dx4ab4u5gifsu4w5@anna> <4B9A796B-318F-4C5C-8E3E-F6CAA1A932D9@tzi.org> To: tom petch X-Mailer: Apple Mail (2.3608.120.23.2.7) Archived-At: Subject: Re: [netmod] Camel Case versus hyphenation X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Jan 2022 17:31:48 -0000 On 2022-01-04, at 18:10, tom petch wrote: >=20 > > The OED defined hyphenation as meaning 'contains a hyphen' so I shall = stay with that pro tem. Which is a nice example for how general purpose dictionaries don=E2=80=99t= always capture the full meaning of technical terms very well. (Wikipedia is better here: https://en.wikipedia.org/wiki/Hyphenation = redirects to https://en.wikipedia.org/wiki/Syllabification which = explains: =E2=80=9CThis article is about the division of words to break lines=E2=80=9D= .) For many of us, a hyphenated =E2=80=9Chyphenation" is = =E2=80=9Chy-phe-na-tion=E2=80=9D, which is not what is meant here. =20 (And, to add injury to insult, there actually is no hyphen in a = kebab-case term, as the words are connected by a Unicode hyphen-minus = U+002D, not a Unicode hyphen U+2010. So you=E2=80=99d need to say = hyphen-minus-ated...) > I prefer the absence of hyphens so I do not have to spell out their = presence over the phone to the operator who is trying to restore their = crashed payments system. =20 Soyoupreferforwordstoruninlikethis? No, you need those word breaks, and =E2=80=9Chyphen=E2=80=9D is easy to = say on the phone, or actually given that ASCII does not really have = hyphens anyway, you can say =E2=80=9Cdash=E2=80=9D, which is one = syllable shorter. > Case insensitivity helps in that regard as well. Absence of frivolous case variation helps even more. But all this is irrelevant; the YANG ecosystem=E2=80=99s preference for = kebab-case is well-established; I just was pointing out the common term = to use for identifying that convention. Gr=C3=BC=C3=9Fe, Carsten From nobody Tue Jan 4 15:24:13 2022 Return-Path: X-Original-To: netmod@ietf.org Delivered-To: netmod@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 6F2FB3A20D8; Tue, 4 Jan 2022 15:24:07 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: netmod@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.41.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: netmod@ietf.org Message-ID: <164133864738.23089.4319435312253945333@ietfa.amsl.com> Date: Tue, 04 Jan 2022 15:24:07 -0800 Archived-At: Subject: [netmod] I-D Action: draft-ietf-netmod-rfc6991-bis-09.txt X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Jan 2022 23:24:08 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Network Modeling WG of the IETF. Title : Common YANG Data Types Author : Juergen Schoenwaelder Filename : draft-ietf-netmod-rfc6991-bis-09.txt Pages : 41 Date : 2022-01-04 Abstract: This document introduces a collection of common data types to be used with the YANG data modeling language. This document obsoletes RFC 6991. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-netmod-rfc6991-bis/ There is also an htmlized version available at: https://datatracker.ietf.org/doc/html/draft-ietf-netmod-rfc6991-bis-09 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-netmod-rfc6991-bis-09 Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts From nobody Wed Jan 5 10:29:50 2022 Return-Path: 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 13C303A0A2D for ; Wed, 5 Jan 2022 10:29:48 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.474 X-Spam-Level: X-Spam-Status: No, score=-2.474 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.576, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable YANG Versioning Weekly Call Minutes - 2022-01-04 Discussed Issue #65 (revision label scheme for Packages). Balazs will send = updated text. See minutes from 2021-12-14 for list of current action items. Jason to raise a new issue for combined name+version (done - issue #123) Topics for next week: TBD but target to look at proposed text for some of t= he following issues: #65: Balazs (revision label scheme for Packages) #30: Jason (Do we enforce that every YANG module in a package has to at lea= st have a revision date?) #38: Rob (YANG schema definition not fully consistent in package draft and = version selection draft) #63: Reshad (Precedence of packages in Package definition) Jason ---------------------------------------------- Versioning work on Github: https://github.com/netmod-wg/yang-ver-dt ---------------------------------------------- Weekly webex call details: Meeting number (access code): 161 096 5630 Meeting password: semver? Occurs every Tuesday effective Tuesday, November 16, 2021 from 9:00 AM to 1= 0:00 AM, (UTC-05:00) Eastern Time (US & Canada) 9:00 AM | (UTC-05:00) Eastern Time (US & Canada) | 1 hr https://ietf.webex.com/ietf/j.php?MTID=3Dme2c6491ebcc37b8127c1244d244d2754 Tap to join from a mobile device (attendees only) +1-650-479-3208,,1610965630## Call-in toll number (US/Canada) --_000_DM6PR08MB508472FBA7750AF55C3C2DFA9B4B9DM6PR08MB5084namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

YANG Versioning Weekly Call Minutes - 2022-01-04

 

Discussed Issue #65 (revision label scheme for Packa= ges). Balazs will send updated text.

 

See minutes from 2021-12-14 for list of current acti= on items.

 

Jason to raise a new issue for combined name+version= (done - issue #123)

 

Topics for next week: TBD but target to look at prop= osed text for some of the following issues:

#65: Balazs (revision label scheme for Packages)

#30: Jason (Do we enforce that every YANG module in = a package has to at least have a revision date?)

#38: Rob (YANG schema definition not fully consisten= t in package draft and version selection draft)

#63: Reshad (Precedence of packages in Package defin= ition)

 

Jason

 

----------------------------------------------<= /o:p>

Versioning work on Github:

https://github.com/netmod-wg/yang-ver-dt

 

----------------------------------------------<= /o:p>

Weekly webex call details:

 

Meeting number (access code): 161 096 5630

Meeting password: semver?

 

Occurs every Tuesday effective Tuesday, November 16,= 2021 from 9:00 AM to 10:00 AM, (UTC-05:00) Eastern Time (US & Canada)

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--_000_DM6PR08MB508472FBA7750AF55C3C2DFA9B4B9DM6PR08MB5084namp_-- From nobody Thu Jan 6 06:47:15 2022 Return-Path: X-Original-To: netmod@ietf.org Delivered-To: netmod@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 380B43A0DCF; Thu, 6 Jan 2022 06:47:09 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: netmod@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.41.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: netmod@ietf.org Message-ID: <164148042914.12899.11957800791001441290@ietfa.amsl.com> Date: Thu, 06 Jan 2022 06:47:09 -0800 Archived-At: Subject: [netmod] I-D Action: draft-ietf-netmod-yang-versioning-reqs-06.txt X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Jan 2022 14:47:09 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Network Modeling WG of the IETF. Title : YANG Module Versioning Requirements Author : Joe Clarke Filename : draft-ietf-netmod-yang-versioning-reqs-06.txt Pages : 12 Date : 2022-01-06 Abstract: This document describes the problems that can arise because of the YANG language module update rules, that require all updates to YANG module preserve strict backwards compatibility. It also defines the requirements on any solution designed to solve the stated problems. This document does not consider possible solutions, nor endorse any particular solution. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-netmod-yang-versioning-reqs/ There is also an htmlized version available at: https://datatracker.ietf.org/doc/html/draft-ietf-netmod-yang-versioning-reqs-06 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-netmod-yang-versioning-reqs-06 Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts From nobody Thu Jan 6 13:41:55 2022 Return-Path: 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 6B6B13A16F9 for ; Thu, 6 Jan 2022 13:41:54 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.474 X-Spam-Level: X-Spam-Status: No, score=-2.474 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.576, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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boundary="_000_DM6PR08MB50849FCEE5CB4692647FEA919B4C9DM6PR08MB5084namp_" MIME-Version: 1.0 X-OriginatorOrg: nokia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR08MB5084.namprd08.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4b1a3e12-263f-456d-aeaa-08d9d15d553a X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Jan 2022 21:41:43.9833 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5d471751-9675-428d-917b-70f44f9630b0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: IbDVZl+JSIdgIoDwnpJAVCVGSs9qBIkcxz6gazJRpWXBAsxizCiO/aZHc0f7XJW9Jvv8xFQcDJELfZGPPIn84A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR08MB4234 Archived-At: Subject: [netmod] Definitions of YANG schema and Packages (in packages draft) - Issue #74 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Jan 2022 21:41:55 -0000 --_000_DM6PR08MB50849FCEE5CB4692647FEA919B4C9DM6PR08MB5084namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi all, This email is related to the items (a) and (c) in Issue #74 of the YANG ver= sioning work: https://github.com/netmod-wg/yang-ver-dt/issues/74 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D First some background: "YANG schema" is not defined in RFC7950 or 8342 (NMDA). 8342 defines the following: o schema node: A node in the schema tree. The formal definition is provided in RFC 7950. o datastore schema: The combined set of schema nodes for all modules supported by a particular datastore, taking into consideration any deviations and enabled features for that datastore. 7950 defines the following: o schema node: A node in the schema tree. One of action, container, leaf, leaf-list, list, choice, case, rpc, input, output, notification, anydata, and anyxml. o schema tree: The definition hierarchy specified within a module. =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D Some current definitions in YANG Packages 02 https://datatracker.ietf.org/d= oc/draft-ietf-netmod-yang-packages/ Abstract This document defines YANG packages, a versioned organizational structure holding a set of related YANG modules that collectively define a YANG schema. Section 1: * YANG schema: A datastore schema, not bound to any particular datasto= re. * YANG package: An organizational structure containing a collection of YANG modules, normally defined in a YANG instance data file. A YANG package defines a YANG schema by specifying a set of YANG modules and their revisions, other packages and their revisions, mandatory features, and deviations. YANG packages are defined in Section 5. Section 2: A YANG package is an organizational structure that groups a set of YANG modules together into a consistent versioned definition. Section 5: A YANG package is a versioned organizational structure defining a set of related YANG modules, packages, features, and deviations. A YANG package collectively defines a YANG schema. =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D Proposed updates to the packages draft (changes highlighted in red) - unify the short description of a package in the 4 places (don't try to in= clude all details of a package in this short description) - but do we need more than this short description in the abstract and secti= ons 1 and 2 ? - do we even need a term called "YANG Schema" ? Abstract This document defines YANG packages: a versioned organizational structure defining a set of YANG modules, features, and deviations. Section 1: This document also makes of the following terminology introduced in the YANG 1.1 Data Modeling Language [RFC7950]: * data node * schema node In addition, this document defines the following terminology: * YANG schema: The combined set of schema nodes for a set of modules, tak= ing into consideration any deviations and enabled features. * YANG package: A versioned organizational structure defining a set of Y= ANG modules, features, and deviations. A YANG package collectively defines= a YANG schema. - leave out "normally defined in a YANG instance data file" - leave out "other packages and their revisions" - leave out "submodules" - leave out anything about mount points - "set" vs "collection" vs "groups" vs "holding" of YANG modules: use "se= t" of YANG modules Section 2: A YANG package is a versioned organizational structure defining a set of= YANG modules, features, and deviations. For example, a YANG package could define the set of YANG modules required to implement an L2VPN service on a network device. YANG packages can themselves refer to, and reuse, other package definitions. [or add mentions of included packages and mount points here in section 2 ? = section 1? abstract ?] Section 5: A YANG package is a versioned organizational structure defining a set of related YANG modules, packages, features, and deviations. A YANG package collectively defines a YANG schema. Jason --_000_DM6PR08MB50849FCEE5CB4692647FEA919B4C9DM6PR08MB5084namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi all,

 

This email is related to the items (a) and (c) in Is= sue #74 of the YANG versioning work:

https://github.com/netmod-wg/yang-ver-dt/issues/74

 

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

First some background:

 

"YANG schema" is not defined in RFC7950 or= 8342 (NMDA).

 

8342 defines the following:

 

   o  schema node: A node in the sche= ma tree.  The formal definition is

      provided in RFC 7950.=

 

   o  datastore schema: The combined = set of schema nodes for all modules

      supported by a partic= ular datastore, taking into consideration any

      deviations and enable= d features for that datastore.

 

7950 defines the following:

 

   o  schema node: A node in the sche= ma tree.  One of action, container,

      leaf, leaf-list, list= , choice, case, rpc, input, output,

      notification, anydata= , and anyxml.

 

   o  schema tree: The definition hie= rarchy specified within a module.

 

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Some current definitions in YANG Packages 02 https:/= /datatracker.ietf.org/doc/draft-ietf-netmod-yang-packages/

 

Abstract

 

   This document defines YANG packages, a = versioned organizational

   structure holding a set of related YANG= modules that collectively

   define a YANG schema.

 

Section 1:

 

   *  YANG schema:  A datastore = schema, not bound to any particular datastore.

 

   *  YANG package: An organizational= structure containing a collection

      of YANG modules, norm= ally defined in a YANG instance data file.  A

      YANG package defines = a YANG schema by specifying a set of YANG

      modules and their rev= isions, other packages and their revisions,

      mandatory features, a= nd deviations.  YANG packages are defined in

      Section 5.=

 

Section 2:

 

   A YANG package is an organizational str= ucture that groups a set of

   YANG modules together into a consistent= versioned definition.

 

Section 5:

 

   A YANG package is a versioned organizat= ional structure defining a set

   of related YANG modules, packages, feat= ures, and deviations.  A YANG

   package collectively defines a YANG sch= ema.

 

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Proposed updates to the packages draft (changes high= lighted in red)

- unify the short description of a package in the 4 = places (don't try to include all details of a package in this short descrip= tion)

- but do we need more than this short description in= the abstract and sections 1 and 2 ?

- do we even need a term called "YANG Schema&qu= ot; ?

 

Abstract

 

   This document defines YANG packages: a versioned organizational

   structure def= ining a set of YANG modules, features, and deviations. 

 

Section 1:

 

   This document also makes of the followi= ng terminology introduced in

   the YANG 1.1 Data Modeling Language [RF= C7950]:

 

   *  data node

 

   *  schem= a node

 

   In addition, this document defines the = following terminology:

 

  * YANG schem= a: The combined set of schema nodes for a = set of modules, taking into consideration any deviations and enabled featur= es.

 

   * YANG package: A versioned organizational structure defining a set of YANG modules, fea= tures, and deviations.  A YANG package collectively defines a YANG sch= ema.

- leave out "normally defined in a YANG instance data file"= ;

- leave out "other packages and their revisions"

- leave out "submodules"

- leave out anything about mount points

- "set" vs "collection" vs "groups" vs= "holding" of YANG modules:   use "set" of YA= NG modules

 

Section 2:

 

   A YANG packag= e is a versioned organizational structure defining a set of YANG modules, f= eatures, and deviations.  For

   example, a YANG package could define th= e set of YANG modules required

   to implement an L2VPN service on a netw= ork device.  YANG packages can=

   themselves= refer to, and reuse, other package definitions.

[or add mentions of included packages and mount poin= ts here in section 2 ? section 1? abstract ?]

 

Section 5:

 

   A YANG package is a versioned organizat= ional structure defining a set

   of related= YANG modules, packages, feat= ures, and deviations.  A YANG

   package collectively defines a YANG sch= ema.

 

Jason

 

 

 

--_000_DM6PR08MB50849FCEE5CB4692647FEA919B4C9DM6PR08MB5084namp_-- From nobody Thu Jan 6 13:54:15 2022 Return-Path: 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 3B79F3A171A; Thu, 6 Jan 2022 13:54:13 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.794 X-Spam-Level: X-Spam-Status: No, score=-0.794 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, LOCALPART_IN_SUBJECT=1.107, SPF_PASS=-0.001] autolearn=no 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 jyhrKZtHrtXH; Thu, 6 Jan 2022 13:54:11 -0800 (PST) Received: from slice.pfrc.org (slice.pfrc.org [67.207.130.108]) by ietfa.amsl.com (Postfix) with ESMTP id C21B43A10D2; Thu, 6 Jan 2022 13:54:10 -0800 (PST) Received: from smtpclient.apple (99-59-193-67.lightspeed.livnmi.sbcglobal.net [99.59.193.67]) by slice.pfrc.org (Postfix) with ESMTPSA id E6C4E1E2FA; Thu, 6 Jan 2022 16:54:09 -0500 (EST) From: Jeffrey Haas Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.13\)) Date: Thu, 6 Jan 2022 16:54:09 -0500 Cc: netmod@ietf.org To: draft-ietf-netmod-rfc6991-bis@ietf.org Message-Id: <93C5BEE7-4AF6-49D6-9DAB-28209B87A634@pfrc.org> X-Mailer: Apple Mail (2.3654.120.0.1.13) Archived-At: Subject: [netmod] draft-ietf-netmod-rfc6991-bis - ipv6-link-local address? X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Jan 2022 21:54:13 -0000 Mahesh suggested I send this suggestion here. Several IPv6 routing protocols have circumstances where the only = acceptable address is an ipv6 link-local address. The YANG type we have for ipv6 can accommodate ipv6 link local = addresses, however it's overly permissive for some use cases. Has the Working Group considered adding a typedef for ipv6 link-local? FWIW, the current use case under consideration is operational state for = BGP IPv6 routes conforming to RFC 2545 and related work under = consideration in IDR for link-local only BGP peering. In such = circumstances, the BGP nexthop will contain a component that may only be = ipv6 link-local. For the BGP YANG module, the edits under consideration will currently = use the ipv6 type. Since the current use case is operational only = state, the lack of the more restrictive type is not considered a = blocker. For the future link-local-only work, configuration state will = be needed. -- Jeff From nobody Thu Jan 6 14:02:13 2022 Return-Path: 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 BBDBF3A0CA8 for ; Thu, 6 Jan 2022 14:02:11 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.098 X-Spam-Level: X-Spam-Status: No, score=-2.098 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=yahoo.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 6jOMoYIOKDQY for ; 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Thu, 6 Jan 2022 22:02:04 +0000 Date: Thu, 6 Jan 2022 22:02:00 +0000 (UTC) From: Reshad Rahman Reply-To: Reshad Rahman To: "draft-ietf-netmod-rfc6991-bis@ietf.org" , Jeffrey Haas Cc: "netmod@ietf.org" Message-ID: <2044253294.1496033.1641506520468@mail.yahoo.com> In-Reply-To: <93C5BEE7-4AF6-49D6-9DAB-28209B87A634@pfrc.org> References: <93C5BEE7-4AF6-49D6-9DAB-28209B87A634@pfrc.org> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_1496032_110137541.1641506520467" X-Mailer: WebService/1.1.19551 YMailNorrin Archived-At: Subject: Re: [netmod] draft-ietf-netmod-rfc6991-bis - ipv6-link-local address? X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Jan 2022 22:02:12 -0000 ------=_Part_1496032_110137541.1641506520467 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Jeff, this was brought up a few months ago (see Juergen's response):=C2=A0= https://mailarchive.ietf.org/arch/msg/netmod/cRmDwqarkW2fNc2nS25zrkycQWs/ On Thursday, January 6, 2022, 04:54:22 PM EST, Jeffrey Haas wrote: =20 =20 Mahesh suggested I send this suggestion here. Several IPv6 routing protocols have circumstances where the only acceptable= address is an ipv6 link-local address. The YANG type we have for ipv6 can accommodate ipv6 link local addresses, h= owever it's overly permissive for some use cases. Has the Working Group considered adding a typedef for ipv6 link-local? FWIW, the current use case under consideration is operational state for BGP= IPv6 routes conforming to RFC 2545 and related work under consideration in= IDR for link-local only BGP peering.=C2=A0 In such circumstances, the BGP = nexthop will contain a component that may only be ipv6 link-local. For the BGP YANG module, the edits under consideration will currently use t= he ipv6 type.=C2=A0 Since the current use case is operational only state, t= he lack of the more restrictive type is not considered a blocker. For the f= uture link-local-only work, configuration state will be needed. -- Jeff _______________________________________________ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod =20 ------=_Part_1496032_110137541.1641506520467 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Jeff, this was brought up a = few months ago (see Juergen's response): 




=20
=20
On Thursday, January 6, 2022, 04:54:22 PM EST, Jeffrey = Haas <jhaas@pfrc.org> wrote:


Mahesh suggested I send this suggesti= on here.

Several IPv6 = routing protocols have circumstances where the only acceptable address is a= n ipv6 link-local address.

The YANG type we have for ipv6 can accommodate ipv6 link local address= es, however it's overly permissive for some use cases.

Has the Working Group considered adding a = typedef for ipv6 link-local?

FWIW, the current use case under consideration is operational stat= e for BGP IPv6 routes conforming to RFC 2545 and related work under conside= ration in IDR for link-local only BGP peering.  In such circumstances,= the BGP nexthop will contain a component that may only be ipv6 link-local.=

For the BGP YANG modu= le, the edits under consideration will currently use the ipv6 type.  S= ince the current use case is operational only state, the lack of the more r= estrictive type is not considered a blocker. For the future link-local-only= work, configuration state will be needed.

-- Jeff

_______________________________________________
netmod mailing list
------=_Part_1496032_110137541.1641506520467-- From nobody Thu Jan 6 14:07:18 2022 Return-Path: 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 0E4F93A00E3; Thu, 6 Jan 2022 14:07:12 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, SPF_PASS=-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 35Ms8mvGj2Hb; Thu, 6 Jan 2022 14:07:07 -0800 (PST) Received: from slice.pfrc.org (slice.pfrc.org [67.207.130.108]) by ietfa.amsl.com (Postfix) with ESMTP id 1D71E3A00DE; Thu, 6 Jan 2022 14:07:07 -0800 (PST) Received: from smtpclient.apple (99-59-193-67.lightspeed.livnmi.sbcglobal.net [99.59.193.67]) by slice.pfrc.org (Postfix) with ESMTPSA id 509D01E2FA; Thu, 6 Jan 2022 17:07:06 -0500 (EST) Content-Type: multipart/alternative; boundary="Apple-Mail=_1C976B80-F108-4942-AC83-E66280ECB153" Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.13\)) From: Jeffrey Haas In-Reply-To: <2044253294.1496033.1641506520468@mail.yahoo.com> Date: Thu, 6 Jan 2022 17:07:05 -0500 Cc: "draft-ietf-netmod-rfc6991-bis@ietf.org" , "netmod@ietf.org" Message-Id: <8EF93F44-8E6C-43B9-B7C8-76BA8B4B61D6@pfrc.org> References: <93C5BEE7-4AF6-49D6-9DAB-28209B87A634@pfrc.org> <2044253294.1496033.1641506520468@mail.yahoo.com> To: Reshad Rahman X-Mailer: Apple Mail (2.3654.120.0.1.13) Archived-At: Subject: Re: [netmod] draft-ietf-netmod-rfc6991-bis - ipv6-link-local address? X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Jan 2022 22:07:13 -0000 --Apple-Mail=_1C976B80-F108-4942-AC83-E66280ECB153 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Reshad, Thanks for drawing my attention to this older thread. It seems the method for addressing the need is understood. I guess my = request is to urge J=C3=BCrgen and the WG to reconsider its avoidance of = providing us a common type. Not having multiple people reinvent this = particular thing each time seems productive. -- Jeff > On Jan 6, 2022, at 5:02 PM, Reshad Rahman wrote: >=20 > Jeff, this was brought up a few months ago (see Juergen's response):=20= > = https://mailarchive.ietf.org/arch/msg/netmod/cRmDwqarkW2fNc2nS25zrkycQWs/ = >=20 >=20 >=20 >=20 > On Thursday, January 6, 2022, 04:54:22 PM EST, Jeffrey Haas = wrote: >=20 >=20 > Mahesh suggested I send this suggestion here. >=20 > Several IPv6 routing protocols have circumstances where the only = acceptable address is an ipv6 link-local address. >=20 > The YANG type we have for ipv6 can accommodate ipv6 link local = addresses, however it's overly permissive for some use cases. >=20 > Has the Working Group considered adding a typedef for ipv6 link-local? >=20 > FWIW, the current use case under consideration is operational state = for BGP IPv6 routes conforming to RFC 2545 and related work under = consideration in IDR for link-local only BGP peering. In such = circumstances, the BGP nexthop will contain a component that may only be = ipv6 link-local. >=20 > For the BGP YANG module, the edits under consideration will currently = use the ipv6 type. Since the current use case is operational only = state, the lack of the more restrictive type is not considered a = blocker. For the future link-local-only work, configuration state will = be needed. >=20 > -- Jeff >=20 > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod = --Apple-Mail=_1C976B80-F108-4942-AC83-E66280ECB153 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 Reshad,

Thanks for drawing my attention to this older = thread.

It = seems the method for addressing the need is understood.  I guess my = request is to urge J=C3=BCrgen and the WG to reconsider its avoidance of = providing us a common type.  Not having multiple people reinvent = this particular thing each time seems productive.
-- Jeff


On Jan 6, 2022, at 5:02 PM, Reshad Rahman <reshad@yahoo.com> = wrote:

Jeff, this was = brought up a few months ago (see Juergen's response): 
https://mailarchive.ietf.org/arch/msg/netmod/cRmDwqarkW2fNc2nS2= 5zrkycQWs/




=20
=20
On Thursday, January 6, 2022, 04:54:22 PM EST, = Jeffrey Haas <jhaas@pfrc.org> wrote:


Mahesh = suggested I send this suggestion here.

Several IPv6 routing protocols have circumstances where the = only acceptable address is an ipv6 link-local address.

The YANG type we have for ipv6 can accommodate = ipv6 link local addresses, however it's overly permissive for some use = cases.

Has the Working Group = considered adding a typedef for ipv6 link-local?

FWIW, the current use case under consideration is operational = state for BGP IPv6 routes conforming to RFC 2545 and related work under = consideration in IDR for link-local only BGP peering.  In such = circumstances, the BGP nexthop will contain a component that may only be = ipv6 link-local.

For the BGP YANG module, = the edits under consideration will currently use the ipv6 type.  = Since the current use case is operational only state, the lack of the = more restrictive type is not considered a blocker. For the future = link-local-only work, configuration state will be needed.

-- Jeff

_______________________________________________
netmod mailing list
netmod@ietf.org
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I assume that a datastore can support multiple packages (not sure, but there is text about "the union of a set of compatible packages" in the YANG packages I-D) and hence a 'datastore schema' is a composition of one or more "package schema". Perhaps the term "YANG schema" should be left as an opaque name for any kind of schema, i.e., any of "datastore schema", "package schema", "TBD schema". I think we carefully avoided using "YANG schema" during the NMDA and YANG library update work. It might be good if the packages work also avoids allocating that term - and using "package schema" and 'datastore schema' may actually help to avoid confusion. /js On Thu, Jan 06, 2022 at 09:41:43PM +0000, Sterne, Jason (Nokia - CA/Ottawa) wrote: > Hi all, > > This email is related to the items (a) and (c) in Issue #74 of the YANG versioning work: > https://github.com/netmod-wg/yang-ver-dt/issues/74 > > ======================================================== > First some background: > > "YANG schema" is not defined in RFC7950 or 8342 (NMDA). > > 8342 defines the following: > > o schema node: A node in the schema tree. The formal definition is > provided in RFC 7950. > > o datastore schema: The combined set of schema nodes for all modules > supported by a particular datastore, taking into consideration any > deviations and enabled features for that datastore. > > 7950 defines the following: > > o schema node: A node in the schema tree. One of action, container, > leaf, leaf-list, list, choice, case, rpc, input, output, > notification, anydata, and anyxml. > > o schema tree: The definition hierarchy specified within a module. > > ======================================================== > Some current definitions in YANG Packages 02 https://datatracker.ietf.org/doc/draft-ietf-netmod-yang-packages/ > > Abstract > > This document defines YANG packages, a versioned organizational > structure holding a set of related YANG modules that collectively > define a YANG schema. > > Section 1: > > * YANG schema: A datastore schema, not bound to any particular datastore. > > * YANG package: An organizational structure containing a collection > of YANG modules, normally defined in a YANG instance data file. A > YANG package defines a YANG schema by specifying a set of YANG > modules and their revisions, other packages and their revisions, > mandatory features, and deviations. YANG packages are defined in > Section 5. > > Section 2: > > A YANG package is an organizational structure that groups a set of > YANG modules together into a consistent versioned definition. > > Section 5: > > A YANG package is a versioned organizational structure defining a set > of related YANG modules, packages, features, and deviations. A YANG > package collectively defines a YANG schema. > > ======================================================== > Proposed updates to the packages draft (changes highlighted in red) > - unify the short description of a package in the 4 places (don't try to include all details of a package in this short description) > - but do we need more than this short description in the abstract and sections 1 and 2 ? > - do we even need a term called "YANG Schema" ? > > Abstract > > This document defines YANG packages: a versioned organizational > structure defining a set of YANG modules, features, and deviations. > > Section 1: > > This document also makes of the following terminology introduced in > the YANG 1.1 Data Modeling Language [RFC7950]: > > * data node > > * schema node > > In addition, this document defines the following terminology: > > * YANG schema: The combined set of schema nodes for a set of modules, taking into consideration any deviations and enabled features. > > * YANG package: A versioned organizational structure defining a set of YANG modules, features, and deviations. A YANG package collectively defines a YANG schema. > - leave out "normally defined in a YANG instance data file" > - leave out "other packages and their revisions" > - leave out "submodules" > - leave out anything about mount points > - "set" vs "collection" vs "groups" vs "holding" of YANG modules: use "set" of YANG modules > > Section 2: > > A YANG package is a versioned organizational structure defining a set of YANG modules, features, and deviations. For > example, a YANG package could define the set of YANG modules required > to implement an L2VPN service on a network device. YANG packages can > themselves refer to, and reuse, other package definitions. > [or add mentions of included packages and mount points here in section 2 ? section 1? abstract ?] > > Section 5: > > A YANG package is a versioned organizational structure defining a set > of related YANG modules, packages, features, and deviations. A YANG > package collectively defines a YANG schema. > > Jason > > > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Jürgen Schönwälder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 From nobody Thu Jan 6 14:15:01 2022 Return-Path: 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 1602E3A012C for ; Thu, 6 Jan 2022 14:15:00 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.098 X-Spam-Level: X-Spam-Status: No, score=-2.098 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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Thu, 6 Jan 2022 22:14:53 +0000 Date: Thu, 6 Jan 2022 22:14:51 +0000 (UTC) From: Reshad Rahman Reply-To: Reshad Rahman To: Jeffrey Haas Cc: "draft-ietf-netmod-rfc6991-bis@ietf.org" , "netmod@ietf.org" Message-ID: <1998096609.1497861.1641507291945@mail.yahoo.com> In-Reply-To: <8EF93F44-8E6C-43B9-B7C8-76BA8B4B61D6@pfrc.org> References: <93C5BEE7-4AF6-49D6-9DAB-28209B87A634@pfrc.org> <2044253294.1496033.1641506520468@mail.yahoo.com> <8EF93F44-8E6C-43B9-B7C8-76BA8B4B61D6@pfrc.org> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_1497860_2015560619.1641507291942" X-Mailer: WebService/1.1.19551 YMailNorrin Archived-At: Subject: Re: [netmod] draft-ietf-netmod-rfc6991-bis - ipv6-link-local address? X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Jan 2022 22:15:00 -0000 ------=_Part_1497860_2015560619.1641507291942 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Jeff, I agree. On the previous thread no-one on NETMOD showed interest in = a common type, I should have CCed a few routing WGs... Regards,Reshad. On Thursday, January 6, 2022, 05:07:07 PM EST, Jeffrey Haas wrote: =20 =20 Reshad, Thanks for drawing my attention to this older thread. It seems the method for addressing the need is understood. =C2=A0I guess my= request is to urge J=C3=BCrgen and the WG to reconsider its avoidance of p= roviding us a common type. =C2=A0Not having multiple people reinvent this p= articular thing each time seems productive. -- Jeff On Jan 6, 2022, at 5:02 PM, Reshad Rahman wrote: Jeff, this was brought up a few months ago (see Juergen's response):=C2=A0= https://mailarchive.ietf.org/arch/msg/netmod/cRmDwqarkW2fNc2nS25zrkycQWs/ On Thursday, January 6, 2022, 04:54:22 PM EST, Jeffrey Haas wrote: =20 =20 Mahesh suggested I send this suggestion here. Several IPv6 routing protocols have circumstances where the only acceptable= address is an ipv6 link-local address. The YANG type we have for ipv6 can accommodate ipv6 link local addresses, h= owever it's overly permissive for some use cases. Has the Working Group considered adding a typedef for ipv6 link-local? FWIW, the current use case under consideration is operational state for BGP= IPv6 routes conforming to RFC 2545 and related work under consideration in= IDR for link-local only BGP peering.=C2=A0 In such circumstances, the BGP = nexthop will contain a component that may only be ipv6 link-local. For the BGP YANG module, the edits under consideration will currently use t= he ipv6 type.=C2=A0 Since the current use case is operational only state, t= he lack of the more restrictive type is not considered a blocker. For the f= uture link-local-only work, configuration state will be needed. -- Jeff _______________________________________________ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod =20 =20 ------=_Part_1497860_2015560619.1641507291942 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Jeff, I agree. On the previo= us thread no-one on NETMOD showed interest in a common type, I should have = CCed a few routing WGs...

<= /div>
Regards,
Reshad.

=20
=20
On Thursday, January 6, 2022, 05:07:07 PM EST, Jeffrey = Haas <jhaas@pfrc.org> wrote:


Reshad,

Thanks for draw= ing my attention to this older thread.

It seems the method for addressing the ne= ed is understood.  I guess my request is to urge J=C3=BCrgen and the W= G to reconsider its avoidance of providing us a common type.  Not havi= ng multiple people reinvent this particular thing each time seems productiv= e.

--= Jeff


On Jan 6, 2022, a= t 5:02 PM, Reshad Rahman <= reshad@yahoo.com> wrote:

Jeff, this was = brought up a few months ago (see Juergen's response): 
https://ma= ilarchive.ietf.org/arch/msg/netmod/cRmDwqarkW2fNc2nS25zrkycQWs/




=20
=20
On Thursday, January 6, 2022, 04:54:22 PM EST, Jeffrey = Haas <jhaas@pfrc.org>= wrote:


Mahesh suggested I send this suggestion he= re.

Several IPv6 routing protocols have circumstances where the only acceptab= le address is an ipv6 link-local address.

The YANG type we have for ipv6 can = accommodate ipv6 link local addresses, however it's overly permissive for s= ome use cases.
<= div dir=3D"ltr" class=3D"ydp689443e0yiv2451916757">
Has the Working Group considered adding a typedef for ipv6 lin= k-local?

FWIW, the current use case under consideration is operational state = for BGP IPv6 routes conforming to RFC 2545 and related work under considera= tion in IDR for link-local only BGP peering.  In such circumstances, t= he BGP nexthop will contain a component that may only be ipv6 link-local.

For= the BGP YANG module, the edits under consideration will currently use the = ipv6 type.  Since the current use case is operational only state, the = lack of the more restrictive type is not considered a blocker. For the futu= re link-local-only work, configuration state will be needed.

-- Jeff

________= _______________________________________
netmod mailing list
<= /div>
netmod@ietf.org
= https://www.ietf.org/mailman/listinfo/netmod

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X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM9P190MB1204 Archived-At: Subject: Re: [netmod] References Re: RFC 6991 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Jan 2022 12:58:02 -0000 On Mon, Jan 10, 2022 at 12:14:32PM +0000, tom petch wrote: > From: netmod on behalf of Jürgen Schönwälder > Sent: 04 January 2022 00:15 > Subject: Re: [netmod] RFC 6991 and ২০২২-০১-০৩T২১:৪০:০০ > > Jürgen > > Looking at the references in rfc6991-bis I see two that might be updated > > -RFC793 is being obsoleted by 793bis and is with the IESG and so not likely to cause a delay Since rfc6991-bis refers to the port number definition, this should be a no brainer once there is an RFC replacing 793. > -IEEE 802 is now 802-2014 This is more complicated since I usually can't check easily what is in the new document... > while RFC7950 changed the rules for an identifier from those in RFC6020. For clarity and to avoid misunderstandings, can you elaborate what the concern here is? /js -- Jürgen Schönwälder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 From nobody Mon Jan 10 07:14:36 2022 Return-Path: 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 651463A1261 for ; Mon, 10 Jan 2022 07:14:34 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.475 X-Spam-Level: X-Spam-Status: No, score=-2.475 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.576, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=unavailable autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=nokia.onmicrosoft.com Received: from mail.ietf.org ([4.31.198.44]) by 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DM6PR08MB4155 Archived-At: Subject: Re: [netmod] system DS polluting intended and operational X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Jan 2022 15:14:35 -0000 UGxlYXNlIHNlZSBpbmxpbmUuDQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJv bTogSsO8cmdlbiBTY2jDtm53w6RsZGVyIDxqLnNjaG9lbndhZWxkZXJAamFjb2JzLXVuaXZlcnNp dHkuZGU+DQo+IFNlbnQ6IFRodXJzZGF5LCBEZWNlbWJlciA5LCAyMDIxIDE6MTkgUE0NCj4gVG86 IFN0ZXJuZSwgSmFzb24gKE5va2lhIC0gQ0EvT3R0YXdhKSA8amFzb24uc3Rlcm5lQG5va2lhLmNv bT4NCj4gQ2M6IG1hcWl1ZmFuZyAoQSkgPG1hcWl1ZmFuZzE9NDBodWF3ZWkuY29tQGRtYXJjLmll dGYub3JnPjsNCj4gbmV0bW9kQGlldGYub3JnDQo+IFN1YmplY3Q6IFJlOiBbbmV0bW9kXSBzeXN0 ZW0gRFMgcG9sbHV0aW5nIGludGVuZGVkIGFuZCBvcGVyYXRpb25hbA0KPiANCj4gT24gVGh1LCBE ZWMgMDksIDIwMjEgYXQgMDU6NTE6NDhQTSArMDAwMCwgU3Rlcm5lLCBKYXNvbiAoTm9raWEgLSBD 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Z2VuIFNjaG9lbndhZWxkZXIgICAgICAgICAgIEphY29icyBVbml2ZXJzaXR5IEJyZW1lbiBnR21i SA0KPiBQaG9uZTogKzQ5IDQyMSAyMDAgMzU4NyAgICAgICAgIENhbXB1cyBSaW5nIDEgfCAyODc1 OSBCcmVtZW4gfCBHZXJtYW55DQo+IEZheDogICArNDkgNDIxIDIwMCAzMTAzICAgICAgICAgPGh0 dHBzOi8vd3d3LmphY29icy11bml2ZXJzaXR5LmRlLz4NCg== From nobody Mon Jan 10 08:20:04 2022 Return-Path: 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 4A5B93A1443 for ; Mon, 10 Jan 2022 08:20:00 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -7.474 X-Spam-Level: X-Spam-Status: No, score=-7.474 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.576, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H2=-0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) 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X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Jan 2022 16:19:52.2756 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5d471751-9675-428d-917b-70f44f9630b0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: GSvpFNWJFWTppS0n92YImd/8xB0TolJCOIoC6VSgJnELuJALp2ZzzQt95ExazbPTgH9RGNoB2utS6sBQjyT0Uw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR08MB3514 Archived-At: Subject: [netmod] YANG versioning call Jan 11: topics for discussion (schema definitions) X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Jan 2022 16:20:03 -0000 --_000_DM6PR08MB5084D4C057599C9AE84CDA8A9B509DM6PR08MB5084namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi all, In the weekly YANG versioning call tomorrow well discuss issue #74 items (a= ) and (c): definitions of packages, package schema, and other "schema" ter= ms. https://github.com/netmod-wg/yang-ver-dt/issues/74 We may also touch on some of these issues: #65: (revision label scheme for packages) #57: (mount points in packages) Jason ---------------------------------------------- Versioning work on Github: https://github.com/netmod-wg/yang-ver-dt ---------------------------------------------- Weekly webex call details: Meeting number (access code): 161 096 5630 Meeting password: semver? Occurs every Tuesday effective Tuesday, November 16, 2021 from 9:00 AM to 1= 0:00 AM, (UTC-05:00) Eastern Time (US & Canada) 9:00 AM | (UTC-05:00) Eastern Time (US & Canada) | 1 hr https://ietf.webex.com/ietf/j.php?MTID=3Dme2c6491ebcc37b8127c1244d244d2754 Tap to join from a mobile device (attendees only) +1-650-479-3208,,1610965630## Call-in toll number (US/Canada) --_000_DM6PR08MB5084D4C057599C9AE84CDA8A9B509DM6PR08MB5084namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi all,

 

In the weekly YANG versioning call tomorrow well dis= cuss issue #74 items (a) and (c):  definitions of packages, package sc= hema, and other "schema" terms.

https://github.com/netmod-wg/yang-ver-dt/issues/74

 

We may also touch on some of these issues:

#65: (revision label scheme for packages)=

#57: (mount points in packages)

 

Jason

 

----------------------------------------------<= /o:p>

Versioning work on Github:

https://github.com/netmod-wg/yang-ver-dt

 

----------------------------------------------<= /o:p>

Weekly webex call details:

 

Meeting number (access code): 161 096 5630

Meeting password: semver?

 

Occurs every Tuesday effective Tuesday, November 16,= 2021 from 9:00 AM to 10:00 AM, (UTC-05:00) Eastern Time (US & Canada)

9:00 AM  |  (UTC-05:00) Eastern Time (US &= amp; Canada)  |  1 hr

 

https://ietf.webex.com/ietf/j.php?MTID= =3Dme2c6491ebcc37b8127c1244d244d2754

Tap to join from a mobile device (attendees only)

+1-650-479-3208,,1610965630## Call-in toll number (U= S/Canada)

 

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I am not clear what the best way forward is. > It helps me and likely also others if we can nail things down and be explicit. Are you talking about: RFC 6020: ;; An identifier MUST NOT start with (('X'|'x') ('M'|'m') ('L'|'l')) identifier = (ALPHA / "_") *(ALPHA / DIGIT / "_" / "-" / ".") RFC 7991: identifier = (ALPHA / "_") *(ALPHA / DIGIT / "_" / "-" / ".") The yang-identifier defined in draft-ietf-netmod-rfc6991-bis-09.txt did not change and it still references RFC 6020. What exactly is your concern or proposal? Do you propose to change the definition of yang-identifier to reference RFC 7950 and to drop the second pattern (which would be an allowed change according to YANG update rules)? Or do you propose to add a new definition of a yang-identifier-1.1? /js -- Jürgen Schönwälder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 From nobody Mon Jan 10 14:15:19 2022 Return-Path: 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 B860D3A129C for ; Mon, 10 Jan 2022 14:15:17 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.899 X-Spam-Level: X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_BLOCKED=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-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 0eL7-aYRvZJh for ; Mon, 10 Jan 2022 14:15:13 -0800 (PST) Received: from gabriel-smtp.zfn.uni-bremen.de (gabriel-smtp.zfn.uni-bremen.de [134.102.50.15]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D980E3A1297 for ; Mon, 10 Jan 2022 14:15:11 -0800 (PST) Received: from [192.168.217.118] (p5089a436.dip0.t-ipconnect.de [80.137.164.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gabriel-smtp.zfn.uni-bremen.de (Postfix) with ESMTPSA id 4JXp6N3fZlzDCcC; Mon, 10 Jan 2022 23:15:08 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.7\)) From: Carsten Bormann In-Reply-To: <20220110204953.fch6gnccnwu2gfep@anna> Date: Mon, 10 Jan 2022 23:15:08 +0100 Cc: tom petch , "netmod@ietf.org" X-Mao-Original-Outgoing-Id: 663545707.947322-125c3a33799bc688ff9f96f3ec601605 Content-Transfer-Encoding: quoted-printable Message-Id: References: <0A8D10A6-8C07-4795-AD03-18FD6A3FFEAD@tzi.org> <20220103212536.vbractoyqueyq4yg@anna> <20220104001508.qakjeuquq3ebkyy4@anna> <20220110125748.wobt5mvzkc4vrr6e@anna> <20220110204953.fch6gnccnwu2gfep@anna> To: Juergen Schoenwaelder X-Mailer: Apple Mail (2.3608.120.23.2.7) Archived-At: Subject: Re: [netmod] References Re: RFC 6991 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Jan 2022 22:15:18 -0000 On 2022-01-10, at 21:49, J=C3=BCrgen Sch=C3=B6nw=C3=A4lder = wrote: >=20 > RFC 7991: 7991 The "xml2rfc" Version 3 Vocabulary. P. Hoffman. December 2016. (Format: TXT, HTML) (Obsoletes RFC7749) (Status: INFORMATIONAL) (DOI: 10.17487/RFC7991)=20 I knew this is all connected, but I think you meant RFC 7950. Anyway, a YANG module that makes use of the new (1.1) freedom to name = something xmlfoo strikes me as somewhat malicious. But of course the = knowledge that you weren=E2=80=99t supposed to do that may wane over = time=E2=80=A6 Dropping the second pattern makes it easy for referencing = modules to import that change, consciously or accidentally. How bad = will the accidents be? There needs to be a YANG module that uses the = identifier in the first place. 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Tue, 11 Jan 2022 14:49:03 +0000 From: tom petch To: Juergen Schoenwaelder CC: "netmod@ietf.org" Thread-Topic: References Re: [netmod] RFC 6991 Thread-Index: AQHYBmOhC+4MsIwzHEWG13IYBV2wHKxd5S4t Date: Tue, 11 Jan 2022 14:49:02 +0000 Message-ID: References: <0A8D10A6-8C07-4795-AD03-18FD6A3FFEAD@tzi.org> <20220103212536.vbractoyqueyq4yg@anna> <20220104001508.qakjeuquq3ebkyy4@anna> <20220110125748.wobt5mvzkc4vrr6e@anna> <20220110204953.fch6gnccnwu2gfep@anna> In-Reply-To: <20220110204953.fch6gnccnwu2gfep@anna> Accept-Language: en-GB, en-US Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: suggested_attachment_session_id: 8d59e3c2-b604-8584-d314-4e7bcd3f26b0 authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=btconnect.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 22bfd86c-08c0-4882-e55e-08d9d5118288 x-ms-traffictypediagnostic: VI1PR07MB4350:EE_ x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: btconnect.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM7PR07MB6248.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 22bfd86c-08c0-4882-e55e-08d9d5118288 X-MS-Exchange-CrossTenant-originalarrivaltime: 11 Jan 2022 14:49:02.9868 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: cf8853ed-96e5-465b-9185-806bfe185e30 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: ysEKuwEu1GLvY61V7CoeQdb5uwhSrRANOjfoW+YBh9REdN1ietx2cb6E3oSm0xJmf7/JRK+nkny37mBLEV6u3Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR07MB4350 Archived-At: Subject: Re: [netmod] References Re: RFC 6991 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 Jan 2022 14:49:11 -0000 From: J=FCrgen Sch=F6nw=E4lder =0A= Sent: 10 January 2022 20:49=0A= =0A= On Mon, Jan 10, 2022 at 04:34:41PM +0000, tom petch wrote:=0A= >=0A= > =0A= > The definition of 'identifier' in RFC7950 is not the same as the definiti= on of 'identifier' in RFC6020 and rfc7991-bis quotes the latter and not the= former. I am not clear what the best way forward is.=0A= >=0A= =0A= It helps me and likely also others if we can nail things down and be=0A= explicit. Are you talking about:=0A= =0A= RFC 6020:=0A= =0A= ;; An identifier MUST NOT start with (('X'|'x') ('M'|'m') ('L'|'l'))=0A= identifier =3D (ALPHA / "_")=0A= *(ALPHA / DIGIT / "_" / "-" / ".")=0A= =0A= RFC 7991:=0A= =0A= identifier =3D (ALPHA / "_")=0A= *(ALPHA / DIGIT / "_" / "-" / ".")=0A= =0A= The yang-identifier defined in draft-ietf-netmod-rfc6991-bis-09.txt=0A= did not change and it still references RFC 6020. What exactly is your=0A= concern or proposal? Do you propose to change the definition of=0A= yang-identifier to reference RFC 7950 and to drop the second pattern=0A= (which would be an allowed change according to YANG update rules)? Or=0A= do you propose to add a new definition of a yang-identifier-1.1?=0A= =0A= =0A= As I recall, the issue came up in YANG 1.1 that XML identifiers were no lo= nger restricted in their first three letters by their SDO and so the limita= tion in YANG 1.0 was removed from YANG 1.1 (as you quote above). It then l= ooks anomalous to me to retain that restriction in the type definition when= it has been removed from the language definition. My preference would be = to remove that restriction from the definition of 'identifier' in 6991-bis = but I am not sure whether or not there are consequences I am missing, hence= my diffidence.=0A= =0A= As you say, RFC6020 s.10 would appear to allow it.=0A= =0A= Tom Petch=0A= =0A= /js=0A= =0A= --=0A= J=FCrgen Sch=F6nw=E4lder Jacobs University Bremen gGmbH=0A= Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany=0A= Fax: +49 421 200 3103 =0A= From nobody Tue Jan 11 07:20:21 2022 Return-Path: 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 1F1DD3A14CB for ; Tue, 11 Jan 2022 07:20:20 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_BLOCKED=0.001, RCVD_IN_MSPIKE_H2=-0.001, 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sandelman.ca (Postfix) with ESMTP id F0A77F0; Tue, 11 Jan 2022 20:24:32 -0500 (EST) From: Michael Richardson To: Qin Wu , "anima\@ietf.org" , netmod@ietf.org In-Reply-To: References: X-Mailer: MH-E 8.6+git; nmh 1.7+dev; GNU Emacs 26.1 X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m Archived-At: Subject: Re: [netmod] [Anima] Call for adoption: draft-richardson-anima-rfc8366bis, ends December 19th, 2021 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Jan 2022 01:24:44 -0000 --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Qin Wu wrote: >> Are you saying that we should update to RFC8791? Do you think that >> this is a bug-fix? > [Qin Wu] No, have clarified in the separate message, I think both > yang-data and sx:structure can be used, but sx:structure is not > targeted to replace yang-data, but RESTCONFbis in the future may > consider to decouple yang-data from RFC8040. I have not yet merged https://github.com/anima-wg/voucher/pull/17 when producing draft-ietf-anima-rfc8366-00. I would like the WG to review the results a bit more first, and I would like a bit more assurance that moving from RESTCONF->RFC8791 would be considered= an acceptable bug fix when going from Proposed Standard to Internet Standard. =2D- Michael Richardson . o O ( IPv6 I=C3=B8T consulti= ng ) Sandelman Software Works Inc, Ottawa and Worldwide --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iPMEAQEKAB0WIQSk7ZHEG9TCGBNASfm/sjw/rPYc8wUCYd4t0AAKCRC/sjw/rPYc 8wcvBf9NYL4z7z8gHLDjl7FKm1O/sO4kb6m882Sza++RZJfNrm1CnMwmc0s6YrrY KGqn3fUjcheFaCg6hzNjfkwa5DgimBv5KrCMdIEgzbursicV7KS3/LKJ2IJ/fkoV Jrvp/ZPyrrVHCJkHzer41H/L4DBTcdG+2AiSlTxlb54eUqzGUISt+h92Pa3FCIiq +mg0vDFhNNtsWJJTvJFsw9a5HfRb7nQhjfVDp6HLdBoziCe5T/PM+X/1AtLJpMML 3MJopDk= =+F3a -----END PGP SIGNATURE----- --=-=-=-- From nobody Tue Jan 11 23:47:08 2022 Return-Path: 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 15AB13A112D for ; 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It then looks anomalous to me to retain that > restriction in the type definition when it has been removed from the > language definition. My preference would be to remove that > restriction from the definition of 'identifier' in 6991-bis but I am > not sure whether or not there are consequences I am missing, hence > my diffidence. I agree and I propose to remove the restriction A YANG identifier MUST NOT start with any possible combination of the lowercase or uppercase character sequence 'xml'. in order to align the definition of an identifier in YANG 1.1. I will add text that YANG 1 modules using this typedef may still have this restriction. If people have an issue with this, please speak up now. /js -- Jürgen Schönwälder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 From nobody Wed Jan 12 00:11:24 2022 Return-Path: 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 1014D3A08CE for ; Wed, 12 Jan 2022 00:11:22 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-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 FcbWedrP60X5 for ; Wed, 12 Jan 2022 00:11:17 -0800 (PST) Received: from 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by kwepemm600017.china.huawei.com ([7.193.23.234]) with mapi id 15.01.2308.020; Wed, 12 Jan 2022 16:11:11 +0800 From: "maqiufang (A)" To: "Sterne, Jason (Nokia - CA/Ottawa)" CC: Juergen Schoenwaelder , "netmod@ietf.org" Thread-Topic: [netmod] system DS polluting intended and operational Thread-Index: AdftJDTUHgXdkjwsR2+EQX3pIo8vsv//g/MAgDIXCID//OT/0A== Date: Wed, 12 Jan 2022 08:11:11 +0000 Message-ID: References: <20211209181900.imnvmxjywszmgnwz@anna> In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.136.100.87] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [netmod] system DS polluting intended and operational X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 12 Jan 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X-MS-Exchange-Transport-CrossTenantHeadersStamped: PRAP190MB1812 Archived-At: Subject: Re: [netmod] draft-ietf-netmod-rfc6991-bis - ipv6-link-local address? X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Jan 2022 10:49:23 -0000 As pointed out by others, this is what I proposed back in July '21: typedef ipv6-address-link-local { type ipv6-address; pattern '[fF][eE]80:.*'; description "A link-local IPv6 address in the prefix fe80::/10 as defined in section 2.5.6. of RFC 4291."; reference "RFC 4291: IP Version 6 Addressing Architecture"; } If this serves the purpose, I can add this definition to the inet-types module. Will there also be a need to have an IPv4 equivalent? typedef ipv4-address-link-local { type ipv4-address; pattern '169\.254\..*'; description "A link-local IPv4 address in the prefix 169.254.0.0/16 as defined in section 2.1. of RFC 3927."; reference "RFC 3927: Dynamic Configuration of IPv4 Link-Local Addresses"; } /js On Thu, Jan 06, 2022 at 04:54:09PM -0500, Jeffrey Haas wrote: > Mahesh suggested I send this suggestion here. > > Several IPv6 routing protocols have circumstances where the only acceptable address is an ipv6 link-local address. > > The YANG type we have for ipv6 can accommodate ipv6 link local addresses, however it's overly permissive for some use cases. > > Has the Working Group considered adding a typedef for ipv6 link-local? > > FWIW, the current use case under consideration is operational state for BGP IPv6 routes conforming to RFC 2545 and related work under consideration in IDR for link-local only BGP peering. In such circumstances, the BGP nexthop will contain a component that may only be ipv6 link-local. > > For the BGP YANG module, the edits under consideration will currently use the ipv6 type. Since the current use case is operational only state, the lack of the more restrictive type is not considered a blocker. For the future link-local-only work, configuration state will be needed. > > -- Jeff > -- Jürgen Schönwälder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 From nobody Thu Jan 13 04:43:24 2022 Return-Path: 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 39AC73A0CCD; Thu, 13 Jan 2022 04:43:22 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.9 X-Spam-Level: X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_PASS=-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 tE50NHnf57a4; Thu, 13 Jan 2022 04:43:17 -0800 (PST) Received: from slice.pfrc.org (slice.pfrc.org [67.207.130.108]) by ietfa.amsl.com (Postfix) with ESMTP id AE5853A0CCF; Thu, 13 Jan 2022 04:43:17 -0800 (PST) Received: from smtpclient.apple (99-59-193-67.lightspeed.livnmi.sbcglobal.net [99.59.193.67]) by slice.pfrc.org (Postfix) with ESMTPSA id 7BEA51E31E; Thu, 13 Jan 2022 07:43:16 -0500 (EST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.13\)) From: Jeffrey Haas In-Reply-To: <20220113104912.qbdgqcejnl3vrvxf@anna> Date: Thu, 13 Jan 2022 07:43:15 -0500 Cc: draft-ietf-netmod-rfc6991-bis@ietf.org, netmod@ietf.org Content-Transfer-Encoding: quoted-printable Message-Id: References: <93C5BEE7-4AF6-49D6-9DAB-28209B87A634@pfrc.org> <20220113104912.qbdgqcejnl3vrvxf@anna> To: Juergen Schoenwaelder X-Mailer: Apple Mail (2.3654.120.0.1.13) Archived-At: Subject: Re: [netmod] draft-ietf-netmod-rfc6991-bis - ipv6-link-local address? X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Jan 2022 12:43:22 -0000 J=C3=BCrgen, > On Jan 13, 2022, at 5:49 AM, J=C3=BCrgen Sch=C3=B6nw=C3=A4lder = wrote: >=20 > As pointed out by others, this is what I proposed back in July '21: >=20 > typedef ipv6-address-link-local { > type ipv6-address; > pattern '[fF][eE]80:.*'; > description > "A link-local IPv6 address in the prefix fe80::/10 as defined > in section 2.5.6. of RFC 4291."; > reference > "RFC 4291: IP Version 6 Addressing Architecture"; > } >=20 > If this serves the purpose, I can add this definition to the > inet-types module. This example had been the first time I'd seen a pattern on top of a = typedef with its own pattern. That said, it seems to be what I would expect. >=20 > Will there also be a need to have an IPv4 equivalent? For most of the routing technologies I have worked on, it's not a = requirement. But it's an appropriate gap to fill and will potentially = be useful for other technologies. E.g. BRAS. >=20 > typedef ipv4-address-link-local { > type ipv4-address; > pattern '169\.254\..*'; > description > "A link-local IPv4 address in the prefix 169.254.0.0/16 as=20 > defined in section 2.1. of RFC 3927."; > reference > "RFC 3927: Dynamic Configuration of IPv4 Link-Local Addresses"; > } -- Jeff From nobody Thu Jan 13 12:22:33 2022 Return-Path: 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 E6F5F3A119B for ; Thu, 13 Jan 2022 12:22:31 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.474 X-Spam-Level: X-Spam-Status: No, score=-2.474 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.576, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H2=-0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=nokia.onmicrosoft.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 lw6yGnZvZgm5 for ; 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boundary="_000_DM6PR08MB508460BD78DCE9333857863D9B539DM6PR08MB5084namp_" MIME-Version: 1.0 X-OriginatorOrg: nokia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR08MB5084.namprd08.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4f4161ec-3d20-4f18-8bee-08d9d6d26997 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Jan 2022 20:22:25.1714 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5d471751-9675-428d-917b-70f44f9630b0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: tiHWKR7LXCXhxb4WuHY9QrnewkMlPlJ4ocH2oD1vjP0KUu2JT7e7b/lszIn8KCVY3MMu0lr9TVUHMWIumeopWQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR08MB6265 Archived-At: Subject: [netmod] YANG Versioning Weekly Call Minutes - 2022-01-11 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Jan 2022 20:22:32 -0000 --_000_DM6PR08MB508460BD78DCE9333857863D9B539DM6PR08MB5084namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable YANG Versioning Weekly Call Minutes - 2022-01-11 We discussed issue #74 items (a) and (c) about 'schema' terminology (overla= p with issue #38). Comments were added to the schema-terminology branch in= GitHub. Jason to update. Rob will take issue #57 (mount points in packages) and propose updated text= . Next meeting(s): - hopefully finalize issue #74 items (a) and (c) and #38 - Jason - Issue #57 (mount points in packages) - Rob - #65: Balazs (revision label scheme for Packages) - #63: Reshad (Precedence of packages in Package definition) Jason ---------------------------------------------- Versioning work on Github: https://github.com/netmod-wg/yang-ver-dt ---------------------------------------------- Weekly webex call details: Meeting number (access code): 161 096 5630 Meeting password: semver? Occurs every Tuesday effective Tuesday, November 16, 2021 from 9:00 AM to 1= 0:00 AM, (UTC-05:00) Eastern Time (US & Canada) 9:00 AM | (UTC-05:00) Eastern Time (US & Canada) | 1 hr https://ietf.webex.com/ietf/j.php?MTID=3Dme2c6491ebcc37b8127c1244d244d2754 Tap to join from a mobile device (attendees only) +1-650-479-3208,,1610965630## Call-in toll number (US/Canada) --_000_DM6PR08MB508460BD78DCE9333857863D9B539DM6PR08MB5084namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

YANG Versioning Weekly Call Minutes - 2022-01-11

 

We discussed issue #74 items (a) and (c) about 'sche= ma' terminology (overlap with issue #38).  Comments were added to the = schema-terminology branch in GitHub. Jason to update.

 

Rob will take issue #57 (mount points in packages) a= nd propose updated text.

 

Next meeting(s):

- hopefully finalize issue #74 items (a) and (c) and= #38 - Jason

- Issue #57 (mount points in packages) - Rob

- #65: Balazs (revision label scheme for Packages)

- #63: Reshad (Precedence of packages in Package def= inition)

 

Jason

 

----------------------------------------------<= /o:p>

Versioning work on Github:

https://github.com/netmod-wg/yang-ver-dt

 

----------------------------------------------<= /o:p>

Weekly webex call details:

 

Meeting number (access code): 161 096 5630

Meeting password: semver?

 

Occurs every Tuesday effective Tuesday, November 16,= 2021 from 9:00 AM to 10:00 AM, (UTC-05:00) Eastern Time (US & Canada)

9:00 AM  |  (UTC-05:00) Eastern Time (US &= amp; Canada)  |  1 hr

 

https://ietf.webex.com/ietf/j.php?MTID= =3Dme2c6491ebcc37b8127c1244d244d2754

Tap to join from a mobile device (attendees only)

+1-650-479-3208,,1610965630## Call-in toll number (U= S/Canada)

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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: btconnect.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM7PR07MB6248.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3c0f690c-5032-45fd-f22a-08d9d746cd7e X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Jan 2022 10:15:34.3831 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: cf8853ed-96e5-465b-9185-806bfe185e30 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: eWm8M6vldkjmb0Ag3jcZM/SAyeBLjUJq73qYOb0yThixcZLxQl4xPkNxyQfBH+yLiY+XpKGAxuphTkIRik729A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR07MB3067 Archived-At: Subject: [netmod] XML and prefix X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Jan 2022 10:15:40 -0000 I see that IANA have taken to asking XML Registry experts about the regist= ration of YANG namespaces at Last Call, or perhaps they have always done th= is but have only recently put the e-mail on a public list. Anyhow, the exp= erts have taken it upon themselves to comment on the XML examples and I do = not understand this comment. This comes from =0A= [IANA #1217705] Expert Review for draft-ietf-i2nsf-nsf-monitoring-data-mode= l-12 (xml-registry)=0A= by Tim Bray 17 dec 2021 03:03=0A= =0A= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=0A= Sorry, but this has the same problem in figure 11.1 that we've just been=0A= discussing with Ian.=0A= =0A= For it to work, (a) the prefix in the alarm-category element MUST be the=0A= same as the namespace prefix for=0A= urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf-monitoring, which means that XML= =0A= software MUST be chosen that makes the namespace prefix information=0A= available. I don't think it's OK for the draft not to say those thigns.=0A= =0A= =0A= nsfmi:memory-alarm=0A= =0A= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=0A= a) I am unclear what the problem is - I thought that XML allowed great free= dom with prefix even if the IETF would rather not=0A= b) this suggestion seems to be that all I-D with XML examples, which is pre= tty much every I-D with a YANG module in it, needs to carry a warning abou= t what XML software to choose, which seems rather a burden. Thoughts?=0A= =0A= Tom Petch=0A= =0A= =0A= =0A= From nobody Fri Jan 14 02:39:31 2022 Return-Path: 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 8A5F13A214B for ; Fri, 14 Jan 2022 02:39:29 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.097 X-Spam-Level: X-Spam-Status: No, score=-2.097 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, PDS_NAKED_TO_NUMERO=0.001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=4668.se header.b=UzH3KLgq; dkim=pass (2048-bit key) header.d=messagingengine.com header.b=OZ3JSNFx 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 j5XLUOY927WK for ; Fri, 14 Jan 2022 02:39:25 -0800 (PST) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 2DC503A2149 for ; Fri, 14 Jan 2022 02:39:22 -0800 (PST) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.nyi.internal (Postfix) with ESMTP id 2E1F55C0101; Fri, 14 Jan 2022 05:39:22 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute5.internal (MEProxy); Fri, 14 Jan 2022 05:39:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=4668.se; h=date :message-id:to:cc:subject:from:in-reply-to:references :mime-version:content-type:content-transfer-encoding; s=fm3; bh= Fo/XxpuuayyK3BlxpYAyXbhbnCaYOh3JzL/irhf23uw=; b=UzH3KLgqgqKeX7lq kEwiqdRTfyNHTMwJ59vBLeTRhwgbokDOCU0bxVe93xt60URmU4UAHM0eo18Qvlyp NR43Y7mi6+u3qjn55x4saIm/j/9N9l3e4UGSkxqpbgH9fnD1lOnFIojGNoG9yBE8 1I+kOzjulnGox4jRPbErrJvchgbR0ssxlJpsyN+e2WusfFKKmJPC4tzvZx8CsWyb PPyYCJCYRODeYg9hUQt9dBgPht68RQKSiJW91j8NkKLwLYhJbuXYfgrsrBYDMjIG GMUqyD/2/hJVwr0VsujgRG0j04dRQ0xHZ1SqZzj7DZBjtOrArYt9RVe5zkukweky Yb2wMA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=Fo/XxpuuayyK3BlxpYAyXbhbnCaYOh3JzL/irhf23 uw=; b=OZ3JSNFxO8t1V4evsraXcg9OhsB1d5N8u6eLbEcD9hFxd5zjXk5ub1W8n DqM/giE1tpYVHQmUCuAYGo+pNnmaIcKVescAJ1nSHuC9vs4uPf82s0haEEqcSuhF WXRGKbG770LmFGfHuSobi/55pxV3KvDo+K64YcLS1g+c6tIPcJ99mijkRAHfmn/B q2xeOW6hXYP53S3YmRYCk1DyeczfxW9NKf7qf6CaKDXhnwshQhT7d/EymENVWk8R dnFsTstvkTQ5pduWXkD8SXDsNTb6ULU/Fvm9igFy2hIWrKZ2UMVMmLwkfA//bWTm eDhL+RnBUkvXUjsGQmN7SEH0JvhWA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvvddrtdehgddukecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhepfffkvffuhfgjfhfogggtgfesthejre dtredtvdenucfhrhhomhepofgrrhhtihhnuceujhpnrhhklhhunhguuceomhgsjhdoihgv thhfseegieeikedrshgvqeenucggtffrrghtthgvrhhnpeejteegvdeuleefudduueelge efgfevvefgveeujeehhfelgefhleeiheeffffhkeenucffohhmrghinhepihgvthhfrdho rhhgnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepmh gsjhdoihgvthhfseegieeikedrshgv X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 14 Jan 2022 05:39:21 -0500 (EST) Date: Fri, 14 Jan 2022 11:39:19 +0100 (CET) Message-Id: <20220114.113919.91026402981468144.id@4668.se> To: ietfc@btconnect.com Cc: netmod@ietf.org From: Martin =?iso-8859-1?Q?Bj=F6rklund?= In-Reply-To: References: X-Mailer: Mew version 6.8 on Emacs 26.3 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Archived-At: Subject: Re: [netmod] XML and prefix X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Jan 2022 10:39:30 -0000 Hi, I don't understand the problem either. He writes: > Sorry, but this has the same problem in figure 11.1 that we've just been > discussing with Ian. Can you send a pointer to that discussion? Perhaps there's more context there. /martin tom petch wrote: > I see that IANA have taken to asking XML Registry experts about the registration of YANG namespaces at Last Call, or perhaps they have always done this but have only recently put the e-mail on a public list. Anyhow, the experts have taken it upon themselves to comment on the XML examples and I do not understand this comment. This comes from > [IANA #1217705] Expert Review for draft-ietf-i2nsf-nsf-monitoring-data-model-12 (xml-registry) > by Tim Bray 17 dec 2021 03:03 > > =============================== > Sorry, but this has the same problem in figure 11.1 that we've just been > discussing with Ian. > > For it to work, (a) the prefix in the alarm-category element MUST be the > same as the namespace prefix for > urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf-monitoring, which means that XML > software MUST be chosen that makes the namespace prefix information > available. I don't think it's OK for the draft not to say those thigns. > > xmlns:nsfmi="urn:ietf:params:xml:ns:yang:\ > ietf-i2nsf-nsf-monitoring"> > nsfmi:memory-alarm > > ================================================= > a) I am unclear what the problem is - I thought that XML allowed great freedom with prefix even if the IETF would rather not > b) this suggestion seems to be that all I-D with XML examples, which is pretty much every I-D with a YANG module in it, needs to carry a warning about what XML software to choose, which seems rather a burden. Thoughts? > > Tom Petch > > > > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod From nobody Fri Jan 14 02:49:36 2022 Return-Path: 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 5C76E3A218A for ; Fri, 14 Jan 2022 02:49:35 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -7.813 X-Spam-Level: X-Spam-Status: No, score=-7.813 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.714, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=nic.cz 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 n2p-7fCrel4j for ; Fri, 14 Jan 2022 02:49:30 -0800 (PST) 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 9E1673A2189 for ; Fri, 14 Jan 2022 02:49:29 -0800 (PST) Received: from [IPV6:2001:1488:fffe:6:a88f:7eff:fed2:45f8] (unknown [IPv6:2001:1488:fffe:6:a88f:7eff:fed2:45f8]) by mail.nic.cz (Postfix) with ESMTPSA id 67E3D1409A0; Fri, 14 Jan 2022 11:49:26 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nic.cz; s=default; t=1642157366; bh=0WHgnnqnYZEf38BQtQMGPJtaA2BNmjRVYxUuTOJPSLg=; h=Date:To:From; b=URvp/h0FKEYEbNWajdAYdBST++N9x+w6C/rmz560pZW0f7oeZSTyhiV5PpeFUSOLD e2PZNA9QMXpILbx0qQL0tVtapzAflmdWojQTyhLgPsgszEChdLKdEQ7HUQlqleHsc2 6xkw6S9FLoSUlpTM05Zf5f5bChhHcbnwd8aoNcyo= Message-ID: Date: Fri, 14 Jan 2022 11:49:26 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Content-Language: en-US To: =?UTF-8?Q?Martin_Bj=c3=b6rklund?= , ietfc@btconnect.com Cc: netmod@ietf.org References: <20220114.113919.91026402981468144.id@4668.se> From: Ladislav Lhotka Organization: CZ.NIC In-Reply-To: <20220114.113919.91026402981468144.id@4668.se> 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: Subject: Re: [netmod] XML and prefix X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Jan 2022 10:49:35 -0000 On 14. 01. 22 11:39, Martin Björklund wrote: > Hi, > > I don't understand the problem either. He writes: > >> Sorry, but this has the same problem in figure 11.1 that we've just been >> discussing with Ian. > > Can you send a pointer to that discussion? Perhaps there's more > context there. Right. I also suspect that the last sentence should have been "I don't think it's OK for the draft to say those things." Lada > > > /martin > > > tom petch wrote: >> I see that IANA have taken to asking XML Registry experts about the registration of YANG namespaces at Last Call, or perhaps they have always done this but have only recently put the e-mail on a public list. Anyhow, the experts have taken it upon themselves to comment on the XML examples and I do not understand this comment. This comes from >> [IANA #1217705] Expert Review for draft-ietf-i2nsf-nsf-monitoring-data-model-12 (xml-registry) >> by Tim Bray 17 dec 2021 03:03 >> >> =============================== >> Sorry, but this has the same problem in figure 11.1 that we've just been >> discussing with Ian. >> >> For it to work, (a) the prefix in the alarm-category element MUST be the >> same as the namespace prefix for >> urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf-monitoring, which means that XML >> software MUST be chosen that makes the namespace prefix information >> available. I don't think it's OK for the draft not to say those thigns. >> >> > xmlns:nsfmi="urn:ietf:params:xml:ns:yang:\ >> ietf-i2nsf-nsf-monitoring"> >> nsfmi:memory-alarm >> >> ================================================= >> a) I am unclear what the problem is - I thought that XML allowed great freedom with prefix even if the IETF would rather not >> b) this suggestion seems to be that all I-D with XML examples, which is pretty much every I-D with a YANG module in it, needs to carry a warning about what XML software to choose, which seems rather a burden. Thoughts? >> >> Tom Petch >> >> >> >> >> _______________________________________________ >> netmod mailing list >> netmod@ietf.org >> https://www.ietf.org/mailman/listinfo/netmod > > _______________________________________________ > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Fri Jan 14 03:23:49 2022 Return-Path: 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 271303A2229 for ; Fri, 14 Jan 2022 03:23:48 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -7.097 X-Spam-Level: X-Spam-Status: No, score=-7.097 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, PDS_NAKED_TO_NUMERO=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=4668.se header.b=dKJfotn3; dkim=pass (2048-bit key) header.d=messagingengine.com header.b=mJCCkmnC 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 2EJw4spou0iE for ; Fri, 14 Jan 2022 03:23:42 -0800 (PST) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 73F7A3A208F for ; Fri, 14 Jan 2022 03:23:39 -0800 (PST) Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 7945F5C0143; Fri, 14 Jan 2022 06:23:38 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute2.internal (MEProxy); Fri, 14 Jan 2022 06:23:38 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=4668.se; h=date :message-id:to:cc:subject:from:in-reply-to:references :mime-version:content-type:content-transfer-encoding; s=fm3; bh= BKJj3wCxrZH1kK3LKgKlGiL4HejGjZxykvgIWFdvsxA=; b=dKJfotn34hn9nlCO ntrNID8vJHAYc+RCsxxzM2dFHPQbrBHVKcip52IEk7jAbdiGL/w/IousIaqRiK7o ijT5xcFIk2tLvPrl4QA7N2f4/P4Vtw2hZgsofA/Szzh4gNjsi1RLTmH9UhmvSPYO HOjzYulG4r30BRs01KPF1OIMAPoxGYMf8usQplLFPFnV+YTbOpON1UYYsYNoAXwE TWeiFSpMs8+Sg8gVhcM7Uxg4nnP+Tz3HBUi2W2Uafn9niQCVtAIQtPYF6Aw5L/kS ICtP8fZSDDCSOTWCC5teGFBz+CElDjnXoqOKlW1IDobZK2oWHEXF7UHggW8GrdmS k7z8mA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=BKJj3wCxrZH1kK3LKgKlGiL4HejGjZxykvgIWFdvs xA=; b=mJCCkmnC698XDsfbRFQdc/5NdxfE8dfpldT5vpjoJzIx1lQ6yoag/3QCq yeYVxcx33Xe+7Mep7aRdDF/o63mh1Bl6bhHy5KBs+MV9YS++iccC0NPhYaTcpkEf NqaAXZFAo/3o7BXlhIx3xdeGdySti+kjtJ5B1v4CvNRRmw+twS/v6l3gcwbFYJWG d+1l+ICz1peq6qfgEDiYIWcfRKXfonbFVPpOUsn3wScnDUB7yN7c+6m35NgKObvE cYod/lioSSUDjA/DzxpnAQ5jA5kZSFQFZrinadyN6c9UB6wBtgsuKeJ6mzNZ431F /AQ+88vYl02U5dbwA8gXwTX2ZxNCQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvvddrtdehgddvkecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhepfffkvffuhfgjfhfogggtgfesthhqre dtredtudenucfhrhhomhepofgrrhhtihhnuceujhpnrhhklhhunhguuceomhgsjhdoihgv thhfseegieeikedrshgvqeenucggtffrrghtthgvrhhnpeeikeehtdfhjeduveekgfdvke duudehvddvffevgffgtdevudeijefgtdevfeeludenucffohhmrghinhepihgvthhfrdho rhhgnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepmh gsjhdoihgvthhfseegieeikedrshgv X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 14 Jan 2022 06:23:37 -0500 (EST) Date: Fri, 14 Jan 2022 12:23:36 +0100 (CET) Message-Id: <20220114.122336.1947215146722594461.id@4668.se> To: ladislav.lhotka@nic.cz Cc: ietfc@btconnect.com, netmod@ietf.org From: Martin =?iso-8859-1?Q?Bj=F6rklund?= In-Reply-To: References: <20220114.113919.91026402981468144.id@4668.se> X-Mailer: Mew version 6.8 on Emacs 26.3 Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [netmod] XML and prefix X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Jan 2022 11:23:48 -0000 Hi, Ok, I think I understand what he means. With this XML: nsfmi:memory-alarm the prefix "nsfmi" is present in the element data, which means that in order to implement this properly, the XML parser must pass the namespace mappings to the user code. So he proposes to add to the draft: (from https://mailarchive.ietf.org/arch/msg/i2nsf/06kJ7vS6X-0hUmGHrCWN-= jVzU7M) 11. XML Examples for I2NSF NSF Monitoring This section shows the XML examples of I2NSF NSF Monitoring data delivered via Monitoring Interface from an NSF. In order for the XM= L to work, the prefix in the element that uses "identityref" type (e.g., /i2nsf-event/i2nsf-system-detection-alarm/alarm-category/) in= the YANG module described in this document MUST be the same as the namespace prefix for urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf- monitoring. The XML software MUST be chosen that makes the namespac= e prefix information available. I think this is a bit odd. Who is supposed to act on the first MUST? This text is about an example, which is what it is, and it happens to be correct. Also, the text about XML software seems unnecessary to me. It follows from the definition of an identityref in RFC 7950 that the namespace mapping is needed to parse this correctly. /martin Ladislav Lhotka wrote: > On 14. 01. 22 11:39, Martin Bj=F6rklund wrote: > > Hi, > > I don't understand the problem either. He writes: > > = > >> Sorry, but this has the same problem in figure 11.1 that we've jus= t > >> been > >> discussing with Ian. > > Can you send a pointer to that discussion? Perhaps there's more > > context there. > = > Right. I also suspect that the last sentence should have been > = > "I don't think it's OK for the draft to say those things." > = > Lada > = > > /martin > > tom petch wrote: > >> I see that IANA have taken to asking XML Registry experts about th= e > >> registration of YANG namespaces at Last Call, or perhaps they have= > >> always done this but have only recently put the e-mail on a public= > >> list. Anyhow, the experts have taken it upon themselves to commen= t on > >> the XML examples and I do not understand this comment. This comes= > >> from > >> [IANA #1217705] Expert Review for > >> draft-ietf-i2nsf-nsf-monitoring-data-model-12 (xml-registry) > >> by Tim Bray 17 dec 2021 03:03 > >> > >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D > >> Sorry, but this has the same problem in figure 11.1 that we've jus= t > >> been > >> discussing with Ian. > >> > >> For it to work, (a) the prefix in the alarm-category element MUST = be > >> the > >> same as the namespace prefix for > >> urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf-monitoring, which means= > >> that XML > >> software MUST be chosen that makes the namespace prefix informatio= n > >> available. I don't think it's OK for the draft not to say those > >> thigns. > >> > >> >> xmlns:nsfmi=3D"urn:ietf:params:xml:ns:yang:\ > >> ietf-i2nsf-nsf-monitoring"> > >> nsfmi:memory-alarm > >> > >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D > >> a) I am unclear what the problem is - I thought that XML allowed g= reat > >> freedom with prefix even if the IETF would rather not > >> b) this suggestion seems to be that all I-D with XML examples, whi= ch > >> is pretty much every I-D with a YANG module in it, needs to carry = a > >> warning about what XML software to choose, which seems rather a > >> burden. Thoughts? > >> > >> Tom Petch > >> > >> > >> > >> > >> _______________________________________________ > >> netmod mailing list > >> netmod@ietf.org > >> https://www.ietf.org/mailman/listinfo/netmod > > _______________________________________________ > > netmod mailing list > > netmod@ietf.org > > https://www.ietf.org/mailman/listinfo/netmod > = > -- = > Ladislav Lhotka > Head, CZ.NIC Labs > PGP Key ID: 0xB8F92B08A9F76C67 From nobody Fri Jan 14 03:23:57 2022 Return-Path: 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 48E643A2233 for ; Fri, 14 Jan 2022 03:23:51 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: btconnect.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM7PR07MB6248.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 301395b2-04f1-4c39-f77c-08d9d7504994 X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Jan 2022 11:23:28.0397 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: cf8853ed-96e5-465b-9185-806bfe185e30 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: NNGt0OQ32Z71gjNDbBo4TNZtKx5CDhLTui7t6ziKP3SCFLKW2RS3kd9HIgRkt0BiNHNd8HtkcmGgqEEgL6Y7dw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR0701MB2424 Archived-At: Subject: Re: [netmod] XML and prefix X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Jan 2022 11:23:55 -0000 From: Martin Bj=F6rklund =0A= Sent: 14 January 2022 10:39=0A= To: tom petch=0A= Cc: netmod@ietf.org=0A= Subject: Re: [netmod] XML and prefix=0A= =0A= Hi,=0A= =0A= I don't understand the problem either. He writes:=0A= =0A= > Sorry, but this has the same problem in figure 11.1 that we've just been= =0A= > discussing with Ian.=0A= =0A= Can you send a pointer to that discussion? Perhaps there's more=0A= context there.=0A= =0A= =0A= =0A= Martin , Lada=0A= =0A= Thanks as ever for the quick reply.=0A= =0A= No I have no more context. The e-mail is from the I2NSF list =0A= https://mailarchive.ietf.org/arch/browse/i2nsf/=0A= and the latest post thereon as of now is from Tim Bray as a follow up to t= his. The thread starts 17dec2021 with a prompt from Amanda for a response = as a follow up to 30nov2021=0A= =0A= I assume that Ian is a fellow Register expert but could be IANA. I am on t= he I2NSF list and do not think that I have missed anything more helpful.=0A= =0A= Tom Petch=0A= =0A= /martin=0A= =0A= =0A= tom petch wrote:=0A= > I see that IANA have taken to asking XML Registry experts about the regi= stration of YANG namespaces at Last Call, or perhaps they have always done = this but have only recently put the e-mail on a public list. Anyhow, the e= xperts have taken it upon themselves to comment on the XML examples and I d= o not understand this comment. This comes from=0A= > [IANA #1217705] Expert Review for draft-ietf-i2nsf-nsf-monitoring-data-mo= del-12 (xml-registry)=0A= > by Tim Bray 17 dec 2021 03:03=0A= >=0A= > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=0A= > Sorry, but this has the same problem in figure 11.1 that we've just been= =0A= > discussing with Ian.=0A= >=0A= > For it to work, (a) the prefix in the alarm-category element MUST be the= =0A= > same as the namespace prefix for=0A= > urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf-monitoring, which means that X= ML=0A= > software MUST be chosen that makes the namespace prefix information=0A= > available. I don't think it's OK for the draft not to say those thigns.= =0A= >=0A= > xmlns:nsfmi=3D"urn:ietf:params:xml:ns:yang:\=0A= > ietf-i2nsf-nsf-monitoring">=0A= > nsfmi:memory-alarm=0A= > =0A= > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =0A= > a) I am unclear what the problem is - I thought that XML allowed great fr= eedom with prefix even if the IETF would rather not=0A= > b) this suggestion seems to be that all I-D with XML examples, which is p= retty much every I-D with a YANG module in it, needs to carry a warning ab= out what XML software to choose, which seems rather a burden. Thoughts?= =0A= >=0A= > Tom Petch=0A= >=0A= >=0A= >=0A= >=0A= > _______________________________________________=0A= > netmod mailing list=0A= > netmod@ietf.org=0A= > https://www.ietf.org/mailman/listinfo/netmod=0A= From nobody Fri Jan 14 03:32:33 2022 Return-Path: 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 84CBB3A2248 for ; Fri, 14 Jan 2022 03:32:32 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=btconnect.onmicrosoft.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 U8DONJXTYVag for ; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: btconnect.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM7PR07MB6248.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: efaaf2a9-6932-4b37-8437-08d9d75189a8 X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Jan 2022 11:32:25.0700 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: cf8853ed-96e5-465b-9185-806bfe185e30 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: TFGqJo3S8BxmAKQenNu+G4aQ5Zylps7ZfMx1uBeQFaKmC7g8+MLnVu74Yng9v1dWAxwFpQXjBv00Xzhgt53GWg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR07MB5160 Archived-At: Subject: Re: [netmod] XML and prefix X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Jan 2022 11:32:33 -0000 From: Martin Bj=F6rklund =0A= Sent: 14 January 2022 11:23=0A= =0A= Hi,=0A= =0A= Ok, I think I understand what he means. With this XML:=0A= =0A= =0A= nsfmi:memory-alarm=0A= =0A= =0A= the prefix "nsfmi" is present in the element data, which means that=0A= in order to implement this properly, the XML parser must pass the=0A= namespace mappings to the user code.=0A= =0A= So he proposes to add to the draft:=0A= (from https://mailarchive.ietf.org/arch/msg/i2nsf/06kJ7vS6X-0hUmGHrCWN-jVzU= 7M)=0A= =0A= 11. XML Examples for I2NSF NSF Monitoring=0A= =0A= This section shows the XML examples of I2NSF NSF Monitoring data=0A= delivered via Monitoring Interface from an NSF. In order for the XML=0A= to work, the prefix in the element that uses "identityref" type=0A= (e.g., /i2nsf-event/i2nsf-system-detection-alarm/alarm-category/) in=0A= the YANG module described in this document MUST be the same as the=0A= namespace prefix for urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf-=0A= monitoring. The XML software MUST be chosen that makes the namespace=0A= prefix information available.=0A= =0A= =0A= I think this is a bit odd. Who is supposed to act on the first MUST?=0A= This text is about an example, which is what it is, and it happens to=0A= be correct.=0A= =0A= Also, the text about XML software seems unnecessary to me. It follows=0A= from the definition of an identityref in RFC 7950 that the namespace=0A= mapping is needed to parse this correctly.=0A= =0A= =0A= =0A= Martin,=0A= =0A= Again, thank you. My initial take was that defining the prefix in alarm-ca= tegory makes that the default so that the prefix is not needed on 'memory-a= larm' but my XML is getting a bit rusty!=0A= =0A= Tom Petch=0A= /martin=0A= =0A= =0A= =0A= =0A= =0A= Ladislav Lhotka wrote:=0A= > On 14. 01. 22 11:39, Martin Bj=F6rklund wrote:=0A= > > Hi,=0A= > > I don't understand the problem either. He writes:=0A= > >=0A= > >> Sorry, but this has the same problem in figure 11.1 that we've just=0A= > >> been=0A= > >> discussing with Ian.=0A= > > Can you send a pointer to that discussion? Perhaps there's more=0A= > > context there.=0A= >=0A= > Right. I also suspect that the last sentence should have been=0A= >=0A= > "I don't think it's OK for the draft to say those things."=0A= >=0A= > Lada=0A= >=0A= > > /martin=0A= > > tom petch wrote:=0A= > >> I see that IANA have taken to asking XML Registry experts about the=0A= > >> registration of YANG namespaces at Last Call, or perhaps they have=0A= > >> always done this but have only recently put the e-mail on a public=0A= > >> list. Anyhow, the experts have taken it upon themselves to comment on= =0A= > >> the XML examples and I do not understand this comment. This comes=0A= > >> from=0A= > >> [IANA #1217705] Expert Review for=0A= > >> draft-ietf-i2nsf-nsf-monitoring-data-model-12 (xml-registry)=0A= > >> by Tim Bray 17 dec 2021 03:03=0A= > >>=0A= > >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=0A= > >> Sorry, but this has the same problem in figure 11.1 that we've just=0A= > >> been=0A= > >> discussing with Ian.=0A= > >>=0A= > >> For it to work, (a) the prefix in the alarm-category element MUST be= =0A= > >> the=0A= > >> same as the namespace prefix for=0A= > >> urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf-monitoring, which means=0A= > >> that XML=0A= > >> software MUST be chosen that makes the namespace prefix information=0A= > >> available. I don't think it's OK for the draft not to say those=0A= > >> thigns.=0A= > >>=0A= > >> >> xmlns:nsfmi=3D"urn:ietf:params:xml:ns:yang:\=0A= > >> ietf-i2nsf-nsf-monitoring">=0A= > >> nsfmi:memory-alarm=0A= > >> =0A= > >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=0A= > >> a) I am unclear what the problem is - I thought that XML allowed great= =0A= > >> freedom with prefix even if the IETF would rather not=0A= > >> b) this suggestion seems to be that all I-D with XML examples, which= =0A= > >> is pretty much every I-D with a YANG module in it, needs to carry a=0A= > >> warning about what XML software to choose, which seems rather a=0A= > >> burden. Thoughts?=0A= > >>=0A= > >> Tom Petch=0A= > >>=0A= > >>=0A= > >>=0A= > >>=0A= > >> _______________________________________________=0A= > >> netmod mailing list=0A= > >> netmod@ietf.org=0A= > >> https://www.ietf.org/mailman/listinfo/netmod=0A= > > _______________________________________________=0A= > > netmod mailing list=0A= > > netmod@ietf.org=0A= > > https://www.ietf.org/mailman/listinfo/netmod=0A= >=0A= > --=0A= > Ladislav Lhotka=0A= > Head, CZ.NIC Labs=0A= > PGP Key ID: 0xB8F92B08A9F76C67=0A= From nobody Fri Jan 14 03:41:24 2022 Return-Path: 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 C442E3A2274 for ; Fri, 14 Jan 2022 03:41:23 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.097 X-Spam-Level: X-Spam-Status: No, score=-2.097 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, PDS_NAKED_TO_NUMERO=0.001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=4668.se header.b=KNoVOUMp; dkim=pass (2048-bit key) header.d=messagingengine.com header.b=dwUddXEX 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 piUye1TbTiGc for ; Fri, 14 Jan 2022 03:41:17 -0800 (PST) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B75363A2275 for ; Fri, 14 Jan 2022 03:41:16 -0800 (PST) Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 81A685C005A; Fri, 14 Jan 2022 06:41:15 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute2.internal (MEProxy); Fri, 14 Jan 2022 06:41:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=4668.se; h=date :message-id:to:cc:subject:from:in-reply-to:references :mime-version:content-type:content-transfer-encoding; s=fm3; bh= z6uIcOVE0ZujOSqHZDx2T2s2PFyuHR/Dl8z7QcqWmP8=; b=KNoVOUMpOhKlawkR VZ5URtuUyTXBa7KVJmTr75Xj/xbjr8PwVBotAHeky6Ok7Q3DehYE9v/+GgV92QuG 5QErtUoDW1ys/jyxbMT1saflmVfItTgxUHIzEvgK6IJM4CAxb6i6WBoPbyxAY6iS NxZirvV7oauDSQJGd5FMNOwNXC41GesmWVcUzxrG3SENZoohrumAVM7+jaoiP+eS 8MBUbIcJPG8jvviFvNWS4HptOiH+WmAmBnrjdqvsKi26vJEaRgOyp+XqSntcYEyF TkvD1TinagXlKqLATlPyL5ZFUOu5lBuEGx7MBNNnaPNP+tLThtLrOtA30GyVGchr 7dMlJw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=z6uIcOVE0ZujOSqHZDx2T2s2PFyuHR/Dl8z7QcqWm P8=; b=dwUddXEXT6qQ0Z5C6HbLZKqeVj1Yh1D/kZMUIZRIINiEjewVSfkjd56p2 Ml/jYDElh695Ws+CqsT+oox2Bdr4UPnbNXLeJhfCdbhXyjB8agqvkWsMd58MLtLs 6ijCwAbokFvohikkrXfQ4it0/w/e1xkE40EA7UbTU3Wz9rP9PM/3X2B/dLZUeVqd rvCyiWs5die/2EMJJlza17WFUB+9dYAy0F9K7ku/LwsSsKg5cKaA/1+ag43bWLk+ TZgtyVJ89aBrJjZJPPmkkElxknBzwfPSRgcBa9Fo1oAiW+/TrsPX2H2WilemGfYB FZGMLGWSjPKJZOVXOWU1lqaMPgSEQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvvddrtdehgdefudcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhepfffkvffuhfgjfhfogggtgfesthhqre dtredtudenucfhrhhomhepofgrrhhtihhnuceujhpnrhhklhhunhguuceomhgsjhdoihgv thhfseegieeikedrshgvqeenucggtffrrghtthgvrhhnpeeikeehtdfhjeduveekgfdvke duudehvddvffevgffgtdevudeijefgtdevfeeludenucffohhmrghinhepihgvthhfrdho rhhgnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepmh gsjhdoihgvthhfseegieeikedrshgv X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 14 Jan 2022 06:41:14 -0500 (EST) Date: Fri, 14 Jan 2022 12:41:13 +0100 (CET) Message-Id: <20220114.124113.502085999357238799.id@4668.se> To: ietfc@btconnect.com Cc: ladislav.lhotka@nic.cz, netmod@ietf.org From: Martin =?iso-8859-1?Q?Bj=F6rklund?= In-Reply-To: References: <20220114.122336.1947215146722594461.id@4668.se> X-Mailer: Mew version 6.8 on Emacs 26.3 Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [netmod] XML and prefix X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Jan 2022 11:41:24 -0000 tom petch wrote: > From: Martin Bj=F6rklund > Sent: 14 January 2022 11:23 > = > Hi, > = > Ok, I think I understand what he means. With this XML: > = > :ietf-i2nsf-nsf-monitoring"> > nsfmi:memory-alarm > > = > the prefix "nsfmi" is present in the element data, which means that > in order to implement this properly, the XML parser must pass the > namespace mappings to the user code. > = > So he proposes to add to the draft: > (from https://mailarchive.ietf.org/arch/msg/i2nsf/06kJ7vS6X-0hUmGHrCW= N-jVzU7M) > = > 11. XML Examples for I2NSF NSF Monitoring > = > This section shows the XML examples of I2NSF NSF Monitoring data > delivered via Monitoring Interface from an NSF. In order for the = XML > to work, the prefix in the element that uses "identityref" type > (e.g., /i2nsf-event/i2nsf-system-detection-alarm/alarm-category/) = in > the YANG module described in this document MUST be the same as the= > namespace prefix for urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf- > monitoring. The XML software MUST be chosen that makes the namesp= ace > prefix information available. > = > = > I think this is a bit odd. Who is supposed to act on the first MUST?= > This text is about an example, which is what it is, and it happens to= > be correct. > = > Also, the text about XML software seems unnecessary to me. It follow= s > from the definition of an identityref in RFC 7950 that the namespace > mapping is needed to parse this correctly. > = > = > > Martin, > = > Again, thank you. My initial take was that defining the prefix in al= arm-category makes that the default so that the prefix is not needed on= 'memory-alarm' but my XML is getting a bit rusty! Almost ;-) RFC 7950 says: If the prefix is not present, the namespace of the identityref is the default namespace in effect on the element that contains the identityref value. So in this particular case, the example could instead be written as: memory-alarm b/c the default namespace in effect is urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf-monitoring /martin > = > Tom Petch > /martin > = > = > = > = > = > Ladislav Lhotka wrote: > > On 14. 01. 22 11:39, Martin Bj=F6rklund wrote: > > > Hi, > > > I don't understand the problem either. He writes: > > > > > >> Sorry, but this has the same problem in figure 11.1 that we've j= ust > > >> been > > >> discussing with Ian. > > > Can you send a pointer to that discussion? Perhaps there's more > > > context there. > > > > Right. I also suspect that the last sentence should have been > > > > "I don't think it's OK for the draft to say those things." > > > > Lada > > > > > /martin > > > tom petch wrote: > > >> I see that IANA have taken to asking XML Registry experts about = the > > >> registration of YANG namespaces at Last Call, or perhaps they ha= ve > > >> always done this but have only recently put the e-mail on a publ= ic > > >> list. Anyhow, the experts have taken it upon themselves to comm= ent on > > >> the XML examples and I do not understand this comment. This com= es > > >> from > > >> [IANA #1217705] Expert Review for > > >> draft-ietf-i2nsf-nsf-monitoring-data-model-12 (xml-registry) > > >> by Tim Bray 17 dec 2021 03:03 > > >> > > >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D > > >> Sorry, but this has the same problem in figure 11.1 that we've j= ust > > >> been > > >> discussing with Ian. > > >> > > >> For it to work, (a) the prefix in the alarm-category element MUS= T be > > >> the > > >> same as the namespace prefix for > > >> urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf-monitoring, which mea= ns > > >> that XML > > >> software MUST be chosen that makes the namespace prefix informat= ion > > >> available. I don't think it's OK for the draft not to say those= > > >> thigns. > > >> > > >> > >> xmlns:nsfmi=3D"urn:ietf:params:xml:ns:yang:\ > > >> ietf-i2nsf-nsf-monitoring"> > > >> nsfmi:memory-alarm > > >> > > >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D > > >> a) I am unclear what the problem is - I thought that XML allowed= great > > >> freedom with prefix even if the IETF would rather not > > >> b) this suggestion seems to be that all I-D with XML examples, w= hich > > >> is pretty much every I-D with a YANG module in it, needs to carr= y a > > >> warning about what XML software to choose, which seems rather a > > >> burden. Thoughts? > > >> > > >> Tom Petch > > >> > > >> > > >> > > >> > > >> _______________________________________________ > > >> netmod mailing list > > >> netmod@ietf.org > > >> https://www.ietf.org/mailman/listinfo/netmod > > > _______________________________________________ > > > netmod mailing list > > > netmod@ietf.org > > > https://www.ietf.org/mailman/listinfo/netmod > > > > -- > > Ladislav Lhotka > > Head, CZ.NIC Labs > > PGP Key ID: 0xB8F92B08A9F76C67 From nobody Fri Jan 14 03:59:18 2022 Return-Path: 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 D6BAE3A22CE for ; Fri, 14 Jan 2022 03:59:16 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.901 X-Spam-Level: X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: btconnect.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM7PR07MB6248.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: d7bb42dc-53ea-430a-fe1b-08d9d755445d X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Jan 2022 11:59:06.7744 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: cf8853ed-96e5-465b-9185-806bfe185e30 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: YPCMsxFkm/hW4InBRXpCKTVR3qg2sGrdp9CGMcU6ch1ptHr1iqyz49kU7Ye304fVjvdvjYEN3d9KetYSMV2rUg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR07MB5823 Archived-At: Subject: Re: [netmod] XML and prefix X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Jan 2022 11:59:17 -0000 From: Martin Bj=F6rklund =0A= Sent: 14 January 2022 11:41=0A= =0A= tom petch wrote:=0A= > From: Martin Bj=F6rklund =0A= > Sent: 14 January 2022 11:23=0A= >=0A= > Hi,=0A= >=0A= > Ok, I think I understand what he means. With this XML:=0A= >=0A= > :ietf-i2nsf-nsf-monitoring">=0A= > nsfmi:memory-alarm=0A= > =0A= >=0A= > the prefix "nsfmi" is present in the element data, which means that=0A= > in order to implement this properly, the XML parser must pass the=0A= > namespace mappings to the user code.=0A= >=0A= > So he proposes to add to the draft:=0A= > (from https://mailarchive.ietf.org/arch/msg/i2nsf/06kJ7vS6X-0hUmGHrCWN-jV= zU7M)=0A= >=0A= > 11. XML Examples for I2NSF NSF Monitoring=0A= >=0A= > This section shows the XML examples of I2NSF NSF Monitoring data=0A= > delivered via Monitoring Interface from an NSF. In order for the XML= =0A= > to work, the prefix in the element that uses "identityref" type=0A= > (e.g., /i2nsf-event/i2nsf-system-detection-alarm/alarm-category/) in= =0A= > the YANG module described in this document MUST be the same as the=0A= > namespace prefix for urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf-=0A= > monitoring. The XML software MUST be chosen that makes the namespace= =0A= > prefix information available.=0A= >=0A= > I think this is a bit odd. Who is supposed to act on the first MUST?=0A= > This text is about an example, which is what it is, and it happens to=0A= > be correct.=0A= >=0A= > Also, the text about XML software seems unnecessary to me. It follows=0A= > from the definition of an identityref in RFC 7950 that the namespace=0A= > mapping is needed to parse this correctly.=0A= >=0A= > =0A= > Martin,=0A= >=0A= > Again, thank you. My initial take was that defining the prefix in alarm-= category makes that the default so that the prefix is not needed on 'memory= -alarm' but my XML is getting a bit rusty!=0A= =0A= Almost ;-) RFC 7950 says:=0A= =0A= If the prefix is not=0A= present, the namespace of the identityref is the default namespace=0A= in effect on the element that contains the identityref value.=0A= =0A= So in this particular case, the example could instead be written as:=0A= =0A= memory-alarm=0A= =0A= b/c the default namespace in effect is=0A= =0A= urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf-monitoring=0A= =0A= =0A= =0A= Ah yes! I shall go back to getting ready for the (freezing) weekend:-)=0A= =0A= Tom Petch=0A= =0A= /martin=0A= =0A= =0A= =0A= >=0A= > Tom Petch=0A= > /martin=0A= >=0A= >=0A= >=0A= >=0A= >=0A= > Ladislav Lhotka wrote:=0A= > > On 14. 01. 22 11:39, Martin Bj=F6rklund wrote:=0A= > > > Hi,=0A= > > > I don't understand the problem either. He writes:=0A= > > >=0A= > > >> Sorry, but this has the same problem in figure 11.1 that we've just= =0A= > > >> been=0A= > > >> discussing with Ian.=0A= > > > Can you send a pointer to that discussion? Perhaps there's more=0A= > > > context there.=0A= > >=0A= > > Right. I also suspect that the last sentence should have been=0A= > >=0A= > > "I don't think it's OK for the draft to say those things."=0A= > >=0A= > > Lada=0A= > >=0A= > > > /martin=0A= > > > tom petch wrote:=0A= > > >> I see that IANA have taken to asking XML Registry experts about the= =0A= > > >> registration of YANG namespaces at Last Call, or perhaps they have= =0A= > > >> always done this but have only recently put the e-mail on a public= =0A= > > >> list. Anyhow, the experts have taken it upon themselves to comment = on=0A= > > >> the XML examples and I do not understand this comment. This comes= =0A= > > >> from=0A= > > >> [IANA #1217705] Expert Review for=0A= > > >> draft-ietf-i2nsf-nsf-monitoring-data-model-12 (xml-registry)=0A= > > >> by Tim Bray 17 dec 2021 03:03=0A= > > >>=0A= > > >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=0A= > > >> Sorry, but this has the same problem in figure 11.1 that we've just= =0A= > > >> been=0A= > > >> discussing with Ian.=0A= > > >>=0A= > > >> For it to work, (a) the prefix in the alarm-category element MUST be= =0A= > > >> the=0A= > > >> same as the namespace prefix for=0A= > > >> urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf-monitoring, which means= =0A= > > >> that XML=0A= > > >> software MUST be chosen that makes the namespace prefix information= =0A= > > >> available. I don't think it's OK for the draft not to say those=0A= > > >> thigns.=0A= > > >>=0A= > > >> > >> xmlns:nsfmi=3D"urn:ietf:params:xml:ns:yang:\=0A= > > >> ietf-i2nsf-nsf-monitoring">=0A= > > >> nsfmi:memory-alarm=0A= > > >> =0A= > > >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=0A= > > >> a) I am unclear what the problem is - I thought that XML allowed gre= at=0A= > > >> freedom with prefix even if the IETF would rather not=0A= > > >> b) this suggestion seems to be that all I-D with XML examples, which= =0A= > > >> is pretty much every I-D with a YANG module in it, needs to carry a= =0A= > > >> warning about what XML software to choose, which seems rather a=0A= > > >> burden. Thoughts?=0A= > > >>=0A= > > >> Tom Petch=0A= > > >>=0A= > > >>=0A= > > >>=0A= > > >>=0A= > > >> _______________________________________________=0A= > > >> netmod mailing list=0A= > > >> netmod@ietf.org=0A= > > >> https://www.ietf.org/mailman/listinfo/netmod=0A= > > > _______________________________________________=0A= > > > netmod mailing list=0A= > > > netmod@ietf.org=0A= > > > https://www.ietf.org/mailman/listinfo/netmod=0A= > >=0A= > > --=0A= > > Ladislav Lhotka=0A= > > Head, CZ.NIC Labs=0A= > > PGP Key ID: 0xB8F92B08A9F76C67=0A= From nobody Fri Jan 14 04:35:29 2022 Return-Path: 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 620883A2376 for ; Fri, 14 Jan 2022 04:35:28 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -7.813 X-Spam-Level: X-Spam-Status: No, score=-7.813 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.714, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=nic.cz 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 61Ezzw2uTlY4 for ; Fri, 14 Jan 2022 04:35:23 -0800 (PST) Received: from mail.nic.cz (mail.nic.cz [217.31.204.67]) (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 C57013A2373 for ; Fri, 14 Jan 2022 04:35:21 -0800 (PST) Received: from [IPV6:2001:1488:fffe:6:a88f:7eff:fed2:45f8] (unknown [IPv6:2001:1488:fffe:6:a88f:7eff:fed2:45f8]) by mail.nic.cz (Postfix) with ESMTPSA id 76B75140F81; Fri, 14 Jan 2022 13:35:19 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nic.cz; s=default; t=1642163719; bh=rmf6ubgjmbECbeXaBAS7oLuv1hlMTl64/jIQEai1O90=; h=Date:To:From; b=j50NrWojcF7IuLFHmk9rIOz6pCB7RckH362cG1IpsWw9xJaF6VTBugLROp6xw7pqq Y5G/yFkcC/QkDSNwDyD9PGip+0I152yRuc9t/pq6HFLZnDmmsXS3Db+n/NArK/nBPD Nu8YYoWwnhEJk/WbNVYm2o0kJL2ewsSHniH4UPHA= Message-ID: <85e8fb0c-1f6a-5840-4353-9dc23f6fbb52@nic.cz> Date: Fri, 14 Jan 2022 13:35:19 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Content-Language: en-US To: netmod References: <20220114.113919.91026402981468144.id@4668.se> <20220114.122336.1947215146722594461.id@4668.se> From: Ladislav Lhotka Organization: CZ.NIC In-Reply-To: <20220114.122336.1947215146722594461.id@4668.se> 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: Subject: Re: [netmod] XML and prefix X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Jan 2022 12:35:29 -0000 On 14. 01. 22 12:23, Martin Björklund wrote: > Hi, > > Ok, I think I understand what he means. With this XML: > > > nsfmi:memory-alarm > > > the prefix "nsfmi" is present in the element data, which means that > in order to implement this properly, the XML parser must pass the > namespace mappings to the user code. > > So he proposes to add to the draft: > (from https://mailarchive.ietf.org/arch/msg/i2nsf/06kJ7vS6X-0hUmGHrCWN-jVzU7M) > > 11. XML Examples for I2NSF NSF Monitoring > > This section shows the XML examples of I2NSF NSF Monitoring data > delivered via Monitoring Interface from an NSF. In order for the XML > to work, the prefix in the element that uses "identityref" type > (e.g., /i2nsf-event/i2nsf-system-detection-alarm/alarm-category/) in > the YANG module described in this document MUST be the same as the > namespace prefix for urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf- > monitoring. The XML software MUST be chosen that makes the namespace > prefix information available. > > > I think this is a bit odd. Who is supposed to act on the first MUST? > This text is about an example, which is what it is, and it happens to > be correct. > > Also, the text about XML software seems unnecessary to me. It follows > from the definition of an identityref in RFC 7950 that the namespace > mapping is needed to parse this correctly. > This is not unique to YANG. For example, XSLT and RELAX NG use XML prefixes in the values of XML attributes. Lada > > /martin > > > > > > Ladislav Lhotka wrote: >> On 14. 01. 22 11:39, Martin Björklund wrote: >>> Hi, >>> I don't understand the problem either. He writes: >>> >>>> Sorry, but this has the same problem in figure 11.1 that we've just >>>> been >>>> discussing with Ian. >>> Can you send a pointer to that discussion? Perhaps there's more >>> context there. >> >> Right. I also suspect that the last sentence should have been >> >> "I don't think it's OK for the draft to say those things." >> >> Lada >> >>> /martin >>> tom petch wrote: >>>> I see that IANA have taken to asking XML Registry experts about the >>>> registration of YANG namespaces at Last Call, or perhaps they have >>>> always done this but have only recently put the e-mail on a public >>>> list. Anyhow, the experts have taken it upon themselves to comment on >>>> the XML examples and I do not understand this comment. This comes >>>> from >>>> [IANA #1217705] Expert Review for >>>> draft-ietf-i2nsf-nsf-monitoring-data-model-12 (xml-registry) >>>> by Tim Bray 17 dec 2021 03:03 >>>> >>>> =============================== >>>> Sorry, but this has the same problem in figure 11.1 that we've just >>>> been >>>> discussing with Ian. >>>> >>>> For it to work, (a) the prefix in the alarm-category element MUST be >>>> the >>>> same as the namespace prefix for >>>> urn:ietf:params:xml:ns:yang:ietf-i2nsf-nsf-monitoring, which means >>>> that XML >>>> software MUST be chosen that makes the namespace prefix information >>>> available. I don't think it's OK for the draft not to say those >>>> thigns. >>>> >>>> >>> xmlns:nsfmi="urn:ietf:params:xml:ns:yang:\ >>>> ietf-i2nsf-nsf-monitoring"> >>>> nsfmi:memory-alarm >>>> >>>> ================================================= >>>> a) I am unclear what the problem is - I thought that XML allowed great >>>> freedom with prefix even if the IETF would rather not >>>> b) this suggestion seems to be that all I-D with XML examples, which >>>> is pretty much every I-D with a YANG module in it, needs to carry a >>>> warning about what XML software to choose, which seems rather a >>>> burden. Thoughts? >>>> >>>> Tom Petch >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> netmod mailing list >>>> netmod@ietf.org >>>> https://www.ietf.org/mailman/listinfo/netmod >>> _______________________________________________ >>> netmod mailing list >>> netmod@ietf.org >>> https://www.ietf.org/mailman/listinfo/netmod >> >> -- >> Ladislav Lhotka >> Head, CZ.NIC Labs >> PGP Key ID: 0xB8F92B08A9F76C67 -- Ladislav Lhotka Head, CZ.NIC Labs PGP Key ID: 0xB8F92B08A9F76C67 From nobody Fri Jan 14 15:53:35 2022 Return-Path: X-Original-To: netmod@ietf.org Delivered-To: netmod@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 2AA113A1716; Fri, 14 Jan 2022 15:53:29 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: internet-drafts@ietf.org To: Cc: netmod@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.42.0 Auto-Submitted: auto-generated Precedence: bulk Reply-To: netmod@ietf.org Message-ID: <164220440911.4800.520116994387455764@ietfa.amsl.com> Date: Fri, 14 Jan 2022 15:53:29 -0800 Archived-At: Subject: [netmod] I-D Action: draft-ietf-netmod-rfc6991-bis-10.txt X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Jan 2022 23:53:29 -0000 A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Network Modeling WG of the IETF. Title : Common YANG Data Types Author : Juergen Schoenwaelder Filename : draft-ietf-netmod-rfc6991-bis-10.txt Pages : 42 Date : 2022-01-14 Abstract: This document introduces a collection of common data types to be used with the YANG data modeling language. This document obsoletes RFC 6991. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-netmod-rfc6991-bis/ There is also an htmlized version available at: https://datatracker.ietf.org/doc/html/draft-ietf-netmod-rfc6991-bis-10 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-netmod-rfc6991-bis-10 Internet-Drafts are also available by rsync at rsync.ietf.org::internet-drafts From nobody Sun Jan 16 04:23:47 2022 Return-Path: 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 EFB243A168A; Sun, 16 Jan 2022 04:23:44 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=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 q67R-u2_mABi; Sun, 16 Jan 2022 04:23:40 -0800 (PST) Received: from mta5.iomartmail.com (mta5.iomartmail.com [62.128.193.155]) (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 DCB123A1685; Sun, 16 Jan 2022 04:23:34 -0800 (PST) Received: from vs3.iomartmail.com (vs3.iomartmail.com [10.12.10.124]) by mta5.iomartmail.com (8.14.4/8.14.4) with ESMTP id 20GCNVHf003544; Sun, 16 Jan 2022 12:23:31 GMT Received: from vs3.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 09E6D4604E; Sun, 16 Jan 2022 12:23:31 +0000 (GMT) Received: from vs3.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F1A794604B; Sun, 16 Jan 2022 12:23:30 +0000 (GMT) Received: from asmtp3.iomartmail.com (unknown [10.12.10.224]) by vs3.iomartmail.com (Postfix) with ESMTPS; Sun, 16 Jan 2022 12:23:30 +0000 (GMT) Received: from LAPTOPK7AS653V ([85.255.233.123]) (authenticated bits=0) by asmtp3.iomartmail.com (8.14.4/8.14.4) with ESMTP id 20GCNTdN021560 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sun, 16 Jan 2022 12:23:30 GMT Reply-To: From: "Adrian Farrel" To: Cc: Date: Sun, 16 Jan 2022 12:23:27 -0000 Organization: Old Dog Consulting Message-ID: <06b701d80ad3$de48a670$9ad9f350$@olddog.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AdgK03wiOu7Lq0y2RwCOlrG9fcJbQA== Content-Language: en-gb X-Originating-IP: 85.255.233.123 X-Thinkmail-Auth: adrian@olddog.co.uk X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.1.0.2090-8.6.0.1018-26656.007 X-TM-AS-Result: No--9.140-10.0-31-10 X-imss-scan-details: No--9.140-10.0-31-10 X-TMASE-Version: IMSVA-9.1.0.2090-8.6.1018-26656.007 X-TMASE-Result: 10--9.140100-10.000000 X-TMASE-MatchedRID: 7JAi/59+m5o/9d9Rtcc0QzjNGpWCIvfTkYC3rjkUXRJYbPLopoBzQklK bDVaPbo9OjLTSH5MW5lwao/OMxGnlvvPDLccHn7ic3NMj892q4ol1eMXkCsIVzLZyQk29Rf4qf0 Pe36xkGjIGqlIDWDSxoHmZ4qK9tR41+eFZnMe0WD0VCHd+VQiHttctKD34MoKjlXUAIjJm2crB8 HuFfzSsH9dKnCUTvc2adVpTxNj0NOndnNXXW0PErzgL/eLACDEAZNQS8fWdZ13lXqzlaOEK7wos MBsCF618jEFqdD+y4ky3I2pINX6HhLmJd2F/yFuHWRJEfGP5nkPIY8i9XFmcJ1qZlgC/lFwoK5B 6+qXU7BlOkIX9uFjoNCI+SHeKBbaSqSDOjH8JBraO/4pZ7P7dlYtjxBqErjwxuio8Dr7zyQWk1B Y+hKpTUEe/bRpAYoLBVERrJw/NWwWpk5Q27mTWA0QY5VnQyANpWOBfK9L1z8U1b5wboBPVIfMbB d3Qr2Rjv/k5PBww/GhcqXI228xhx73mRhARXgpWnQHHkRrIIVL9x4FCuBLUXNAt+hcPnO5Q9v7k qn17iJh7poVrgVUBI5Gyml5vOdNoPIBA56ttmPFW296Y1uTJwlxA/poDBQb3DXK5sP1JiowojGi /Ev7ld5UYPZKA/Ql/JJslcFsi15ESYM8q9cXfz0gkINwWqoVKPalXQl6QbczDOuw0CFZEnczZLc xWammerb3e1hTuhFAPDuKJyfrMfSgMZBWMCUcK9YJT6aoDBsCn5QffvZFlQdY+faaPuhEw4tagP XRRxzukDVME81D3TojkQQKtK9aIToEhetuNZ2eAiCmPx4NwLTrdaH1ZWqCii7lXaIcF/Ww7M6dy uYKg46HM5rqDwqt5z4iPKVzTaPzBhwrhOgDpJMAwuCJLw+NgepBLRfLfxIoILXxvBU8IA== X-TMASE-SNAP-Result: 1.821001.0001-0-1-22:0,33:0,34:0-0 Archived-At: Subject: [netmod] A review of draft-ietf-netmod-node-tags X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 16 Jan 2022 12:23:45 -0000 Hi, Thanks for this document which I found clear and easy to read. I think you have defined a small, but particularly valuable feature. I have a few comments and a large number of nits (sorry). Best, Adrian == Major == There is some contradiction between and within sections 4.3 and 4.4 1. If a user tag is defined as any tag that has the prefix "user:" how can you then day that users are not required to use the "user:" prefix? That would mean that a user tag is any tag that does or does not have the prefix "user:" 2. If any tag not starting with "ietf:", "vendor:", or "user:" is reserved, how can a user create a tag that doesn't start with "user:"? 3. Section 4.4 could usefully point at Section 9.1 and say that "further tags may be assigned by future specifications". --- Section 9.1 reasonably uses the "Specification Required" assignment policy. But, according to 8126, that policy requires the appointment of a designated expert. According to section 5.3 of 8126... When a designated expert is used, the documentation should give clear guidance to the designated expert, laying out criteria for performing an evaluation and reasons for rejecting a request. So you need to add a section to cover this. It can be simple if the rule is "read the specification, check it is permanent and readily available, and watch for inappropriate use of language." Or it might be more complex if you want the DE to check more stuff. == Minor == The Abstract need to explicitly call out "This document updates RFC 8407 by The Introduction should repeat that statement and add some detail. In fact we don't even find a mention of 8407 until Section 8, and even then there is no hint about what the "update" is. Although, in Section 1 you have Section 8 provides guidelines for authors of YANG data models. That would be the ideal place to describe the update. --- Figure 1 and its text are a little confusing. 1. It would help to lift the top Object Tag one line so there is a pipe ('|') to separate it from Data Object 1 2. The term "have" is not explained. Given the direction of the arrow, I think this means "is contained by". 3. The text says "In Figure 1, data objects can contain other data objects called subobjects." That's fine, but it would be easier to read the figure is data objects 2, 3, and 4 were marked as sub-objects. 4. The text has: A data object may contain one single object tag, or one single property tag, or one single metric tag. In many cases, a data object only contains one single metric tag. That's a bit odd. I mean, the first sentence says, "A, B, or C", and the second sentence says "In many cases C". How does the second sentence add anything? 5. The text has: the data object tagged with the metric tag also can have one or multiple MetricType tags and/or one single multi-source tag. These additional tags are not shown on the figure. --- Section 5 has As the main consumer of data object tags are users, users may also remove any tag from a live server, no matter how the tag became associated with a data object within a YANG module. Suppose there are two users accessing the same YANG data objects on a live server. This doesn't seem unreasonable in the case of different users or monitoring tools reading data about the network or devices. Doesn't this text lead to "warring tag removal" where one user adds a tag, and another user removes it? Maybe this is limited to user tags so that each user may have their own tags. But, in this case, it needs to be clearer what a user tag contains and how it is used. It would still be pretty annoying is Benoit added user:benoit to some data objects, and I went and removed them. (See also section 5.3) ...Reading the YANG module itself, I wonder whether "add" and "remove" are ambiguous. Sometimes you may mean adding or removing a tag to/from a data object. Sometimes you may mean adding or removing to/from a filter. --- 9.1 OLD Other standards organizations (SDOs) wishing to allocate their own set of tags should allocate a prefix from this registry. NEW Other standards organizations (SDOs) wishing to allocate their own set of tags should request the allocation of a prefix from this registry. END --- 9.2 Each YANG data object can have one 'opm' tag, zero or one metric-type tag, zero or one multi-source tag. Is this an instruction for IANA for the management of the registry? I don't think it is, and so it should be removed from this section. --- 9.3 and 9.4 These sections include the text "the following registration has been made:", but it hasn't been (yet). You just need to phrase this text as a request. --- Should section 10 talk about the risks associated with an attacker adding or removing tags so that a requester gets the wrong data? Should the section also talk about how the presence of tags may reveal information about the way in which data objects are used and so providing access to private information or revealing an attack vector? == Nits == Throughout You need to choose between "self describing" and "self-describing". The hyphenated version is probably correct. --- Abstract s/input, instruction, indication/input, instructions, indications/ s/selection filter/selection filters/ s/is very large/are very large/ --- 1. s/associated only with a module/associated with a module/ --- 1. At the time of writing this document (2020), there are many data models that have been specified or are being specified by various SDOs and the Open Source community. How about... Many data models have been specified by various SDOs and the Open Source community and it is likely that many more will be specified. --- 1. OLD management categories information at different locations in various different ways. NEW management information at different locations and categorised in various different ways. END OLD Let alone lack consistent classification criteria and representation for a specific service, feature, or data source. NEW Further, there is no consistent classification criteria or representation for a specific service, feature, or data source. END --- 1. s/Indicate relationship/Indicate a relationship/ s/identify characteristics data/identify characteristic data/ s/In addition, it can provide/In addition, they can provide/ s/input, instruction, indication/input, instructions, indications/ s/selection filter/selection filters/ --- 1. e.g., return specific object type of operational state related to system-management. I think this may be meant to say e.g., return specific objects containing operational state related to system-management. --- 1. s/of /of the / --- 1. or some place where offline document are kept I don't think a "place" advertises. Maybe "an application or server where offline documents are kept" --- 1. This document defines a YANG module [RFC7950] which augments the module tag model Would another reference to 8819 be appropriate? --- 2.2 OPM Object Property Metric Should that be OPM Object, Property, Metric --- 3. OLD Among data object tags, the 'opm' (object, property, metric) tags can be used to tackle massive data objects collection, indicate relationship between data objects and only capture YANG data objects associated with performance metrics data modelled with YANG (Figure 1). NEW Among data object tags, the 'opm' (object, property, metric) tags can be used to tackle massive data object collections, indicate relationships between data objects, and capture YANG data objects associated with performance metrics data modelled with YANG (as shown in Figure 1). END OLD Figure 1: The Relation between Object, Property and Metric NEW Figure 1: The Relation between Object, Property, and Metric END --- 3. s/In Figure 2, 'tunnel-/In Figure 2, the 'tunnel-/ --- 3. OLD Consider 'tunnel-svc' data object and tunnel-svc/name data object as an example, 'tunnel-svc' data object has one single object tag (i.e., 'ietf:object') while tunnel-svc/name data object has one single property subobject tag (i.e., 'ietf:property'). NEW Consider the 'tunnel-svc' data object and the tunnel-svc/name data object as an example: the 'tunnel-svc' data object has one single object tag (i.e., 'ietf:object') while the tunnel-svc/name data object has one single property subobject tag (i.e., 'ietf:property'). END OLD e.g., only specific category such as loss-related metric subobjects need to be tagged with metric- type tag which can further reduce amount data to be fetched. NEW e.g., specific categories, such as loss-related metric subobjects, need to be tagged with a metric-type tag which can further reduce amount data to be fetched. END --- 5. s/the need of live server/the need of a live server/ s/main consumer of/main consumers of/ --- 3. has "MetricType tags" 5.1 has "Metric type tag" 9.2 has "IETF Metric Type Tags" --- 5.1 s/data objects classification/data object classifications/ s/related to metric subobject/related to a metric subobject/ s/. 'aggregated' multi-source/. The 'aggregated' multi-source/ s/being combined/to be combined/ s/. 'non-aggregated'/. The 'non-aggregated'/ s/interface) be/interface) to be/ s/correlate data object/correlate data objects/ s/defined in Section 9/defined in Section 9.2/ --- 5.2 s/or vendor specific tags/or vendor tags/ --- 7. Given that the YANG module is extractable and standalone, you should probably expand "opm" somewhere near the top. --- 7. opm-tag OLD Opm Tag is used to classify operation and management data object into object, property, and metric three categories. NEW 'opm-tag' is used to classify operation and management data objects into the three categories, object, property, and metric. END s/list. Data Object/list. The Data Object/ s/node. Data Object/node. The Data Object/ s/belonging to specific/belonging to a specific/ s/contain One single object tag or/contain one single object tag, or/ s/tag (These/tag (these/ s/As such the/As such, the/ --- 7. multi-source-tag s/identify multi-source/identify a multi-source/ s/'aggregated' multi-source/The 'aggregated' multi-source/ s/being combined/to be combined/ s/and report as/and reported as/ s/'non-aggregated' multi-source/The 'non-aggregated' multi-source/ s/interface) be/interface) to be/ --- 8.1 There needs to be a mention of Figure 3 in the text. s/defined below, see Section Section 9.2/defined in Section 9.2/ --- Appendix C The figure should have a figure number and caption, and should be referred to by the figure number from the text. --- Appendix D I think you want to include a note to the RFC Editor to remove this appendix before publication. 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X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Jan 2022 15:08:14 -0000 Hi, We need some advice on whether the following can be considered as=20 valid YANG syntax and whether the behavior is that which we expect. We have a use case (simplified in the example below) where a client is required to define a certain concrete integer value for a server to=20 use for some purpose, which is represented by the leaf 'foo' in the=20 example below.=20 On some servers we want to offer an additional option of an automatic=20 assignment of this value by the server. To this end, we defined a=20 union of an integer type and an enumeration with one enum=20 'auto-select', as shown below. Since the support of 'auto-select' is=20 optional, it is tagged with an if-feature statement. Note that there=20 will also be additional data nodes in the schema tree that are=20 associated with this configuration and will also be dependent on this=20 feature. =20 leaf foo { type union { type uint8; type enumeration { enum auto-select { if-feature "auto-select-foo"; description "The server automatically selects a value for foo."; } } } mandatory true; description "The value of foo."; } =20 According to RFC 7950 section 9.6.4, an enum statement must be=20 present within an enumeration definition. If the feature 'auto-select- foo' is not supported by a server, does the enumeration still comply=20 with this requirement given that there is an enum statement present?=20 According to yanger it does not. Is yanger wrong?=20 If the YANG is compiled without the feature, yanger currently reports=20 the following error: "error: a type enumeration must have at least one enum statement". The requirement that an enumeration must have at least one enum would make sense, if the type for a leaf was just an enumeration,=20 because otherwise a client would not be able to configure a valid=20 value.=20 However, it could be argued that in the case of the union, there would be no issue with the enumeration being an empty set as the client=20 would nevertheless be able to define a valid value and fulfill the=20 'mandatory' requirement as a result of the other types in the union,=20 in the example above the uint8. What is NETMOD's opinion on this? Could the above example be seen as=20 valid YANG syntax? If this is not the case, then we have an issue as we would have to=20 remove the if-feature statement from the enum. Having done this, a=20 client would then be able to configure the value 'auto-select' on=20 servers that do not support the feature, which is of course is undesirable. Assuming that the use of an empty enumeration is valid, if the feature 'auto-select-foo' is not supported, is it true that only an integer of type unit8 would then be allowed? Regards Nick From nobody Mon Jan 17 08:00:06 2022 Return-Path: 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 E4C053A11F4 for ; Mon, 17 Jan 2022 08:00:04 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.896 X-Spam-Level: X-Spam-Status: No, score=-1.896 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HTML_MESSAGE=0.001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-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 tzeoa3W8NXFS for ; Mon, 17 Jan 2022 08:00:00 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com 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d=cesnet.cz; s=kalendar; t=1642489641; bh=MYJbgmH2sawWQi3PnC0/dTVhYGL5gAMg4UQOP4sVn/c=; h=From:In-Reply-To:Date:Cc:To:Subject; b=UTPb5e94tN2F3OUmDL7w/lgyH04ucuSWkyB0Zt34RUzO5CPhWhxhY41h+Ugy/CRW0 NqpvPAdMvYoTnXMzm58IWpT1QF3c3KPaxMSOgYPJENtvxRG5ozNAQ2grCVh9s6W039 TYkQGu59l/zrUNc94XqKTaaTb6636ByPfLUPVltI= From: =?utf-8?q?Michal_Va=C5=A1ko?= In-Reply-To: <010ba32d4f934498be4a032b864a65bc@huawei.com> Content-Type: text/plain; charset="utf-8" X-Forward: 2001:67c:1220:80c:b5:55d3:81d5:8636 Date: Tue, 18 Jan 2022 08:07:21 +0100 Cc: "Ladislav Lhotka" , =?utf-8?q?Martin_Bj=C3=B6rklund?= , =?utf-8?q?netmod=40ietf.org?= To: "Italo Busi" MIME-Version: 1.0 Message-ID: <49b-61e66700-61-555dec00@38936218> User-Agent: SOGoMail 5.4.0 Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [netmod] =?utf-8?q?YANG_=27when=27_with_absolute_path?= X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Jan 2022 07:07:33 -0000 Hi, yanglint uses its own XPath implementation, which unfortunately does no= t support axes, hence the error. Regards, Michal On Monday, January 17, 2022 16:59 CET, Italo Busi wrote: > Lada, Martin, > > Thanks for your suggestion and thanks Tom for having raised this issu= e to Netmod WG > > We have tried to follow your suggestion and replaced the relative pat= hs with: > when "ancestor::nw:network/nw:network-types/tet:te-topology" > > You can find the updated YANG module on github: > > https://github.com/ietf-ccamp-wg/draft-ietf-ccamp-flexigrid-yang/tree= /wg-lc-resolution > > However, we have found some issues when compiling the new code with y= anglint. This is the error that we have got from the on-line YANG valid= ator: > > libyang err : Invalid character 'a'[1] of expression 'ancestor:= :nw:network/nw:network-types/tet:te-topology/flexgt:flexi-grid-topology= '. (/ietf-flexi-grid-topology:{augment=3D'/nw:networks/nw:network/nt:li= nk/tet:te/tet:te-link-attributes/tet:underlay/tet:primary-path/tet:path= -element/tet:type/tet:label/tet:label-hop/tet:te-label/tet:technology'}= ) > YANGLINT[E]: Processing schema module from /var/yang/tmp/yangva= lidator/yangvalidator-v2-workdir-tNQJZOjI/ietf-flexi-grid-topology.yang= failed. > > Is this an issue with yanglint or with the updated code? > > Pyang compilation does not return any error/warning > > Thanks in advance > > Aihua, Sergio and Italo > > > -----Original Message----- > > From: Ladislav Lhotka [mailto:ladislav.lhotka@nic.cz] > > Sent: domenica 2 gennaio 2022 10:58 > > To: Martin Bj=C3=B6rklund > > Cc: cabo@tzi.org; netmod@ietf.org > > Subject: Re: [netmod] YANG 'when' with absolute path > > > > > > > > On 02. 01. 22 10:43, Martin Bj=C3=B6rklund wrote: > > > Hi, > > > > > > Ladislav Lhotka > wrote: > > >> Carsten Bormann > writes: > > >> > > >>> On 2021-12-30, at 13:29, tom petch > wrote: > > >>>> > > >>>> when "../../../../../../nw:network-types/tet:te-topolog= y/=E2=80=9C > > >>> > > >>> I=E2=80=99m probably showing my ignorance about YANG again, but= what is the > > >>> reason this is not phrased as > > >>> > > >>> when "./ancestor::nw:network-types/tet:te-topology/=E2=80= =9C > > >> > > >> Yes, this would work, with a minor correction: > > >> > > >> when "./ancestor::node()/nw:network-types/tet:te-topology" > > >> > > >> because 'nw:network-types' isn't an ancestor of the context node= . > > >> Also, the initial './' isn't actually needed, hence > > >> > > >> when "ancestor::node()/nw:network-types/tet:te-topology" > > > > > > Or the more direct: > > > > > > when "ancestor::nw:network/nw:network-types/tet:te-topology"= > > > > Right, this is the best option. > > > > > > > > This style works if we can guarantee that there will be exactly o= ne > > > node "nw:network" among our ancestors. > > > > > > It is perhaps easier to get this style right w/o a YANG compiler > > > (which would detect if the number of ".." in the relative path is= > > > wrong), but the relative path might be easier to understand for a= > > > casual reader. > > > > +1 > > > > Lada > > > > > > > > > > > > > > /martin > > > > > > > > > > > >> > > >> Lada > > >> > > >>> > > >>> ? > > >>> > > >>> Gr=C3=BC=C3=9Fe, Carsten > > >>> > > >>> =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F > > >>> netmod mailing list > > >>> netmod@ietf.org > > >>> https://www.ietf.org/mailman/listinfo/netmod > > >> > > >> -- > > >> Ladislav Lhotka > > >> Head, CZ.NIC Labs > > >> PGP Key ID: 0xB8F92B08A9F76C67 > > >> > > >> =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F > > >> netmod mailing list > > >> netmod@ietf.org > > >> https://www.ietf.org/mailman/listinfo/netmod > > > > -- > > Ladislav Lhotka > > Head, CZ.NIC Labs > > PGP Key ID: 0xB8F92B08A9F76C67 > > > > From nobody Mon Jan 17 23:58:50 2022 Return-Path: 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 B88A83A1046 for ; Mon, 17 Jan 2022 23:58:48 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.097 X-Spam-Level: X-Spam-Status: No, score=-2.097 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, PDS_NAKED_TO_NUMERO=0.001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=4668.se header.b=AnPGT1Df; dkim=pass (2048-bit key) header.d=messagingengine.com header.b=BUP3MG+4 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 bphT7F31Gemj for ; Mon, 17 Jan 2022 23:58:42 -0800 (PST) Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A1D013A1047 for ; Mon, 17 Jan 2022 23:58:40 -0800 (PST) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id DD2745C00D8; Tue, 18 Jan 2022 02:58:36 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Tue, 18 Jan 2022 02:58:36 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=4668.se; h=date :message-id:to:cc:subject:from:in-reply-to:references :mime-version:content-type:content-transfer-encoding; s=fm3; bh= GtydWAm8DFoB6ohYIzk19MEn8bYlx+yl/zC7KAsJQ48=; b=AnPGT1DfnIFr4vA4 ToYRGb6nnWQtMQAUFxk6po6dDColYTtc2aJPuoki6MRKe2v4uzLgVjrWsyb2Hh05 72JBioxtlQQvxESzMcoaRUe1amrthlDlz7BFhUGpl4JXIgurZ72tT3uXqfuKVQol 90oNgOuiVNYL1XXLd/GZ81TrCs01D4vbYzClJ9mgKEIYl2yDz0cnobFBZTzGpCF9 YgQkn1FmvG2vB3y0RY0Qhy+UkFr/S3JSvZP2spEA5U8Cw7yIboAjsyle0PR+bgBZ bDfMxy3q9aqxUtyLLr/XYhVggWbuUIrtRqAhBTy7SrmO+o7vZUWubtMHuIWd5sW1 oBqvyw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; bh=GtydWAm8DFoB6ohYIzk19MEn8bYlx+yl/zC7KAsJQ 48=; b=BUP3MG+4P4XL1Lbs9LgkSh1rqr7ZWK729fV31Tgz+hs9gImy4gOO3Yn+K HXVklpoGYpfhWotXI+fUooybP/J8IivCGlufwtjBzTqLSvNnOzVuNYx+7ceyQmcr JtDCJYBYtY9amqa2qBfp1fG7owYKMlisB0Wvm0wSe0V0lVoyBVmJqlmtvec/7+nn AlE1rlJha13y1c8wdL6+OS1luql0YNAFAPXpiq37iJiyWrUpPl2Bl1u8EiZTYewo wdC43wn44y2PmTRz861UJhsj3vrfDhkqpq+k/RSVgwf0gpim+0ar+nx6ppBe9vjg Vu5gV6kYHEru5pY2LaNZJ+bGz0mrQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvvddruddvgdduudefucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpeffkffvuffhjghfofggtgfgsehtje ertdertddvnecuhfhrohhmpeforghrthhinhcuuehjnphrkhhluhhnugcuoehmsghjodhi vghtfhesgeeiieekrdhsvgeqnecuggftrfgrthhtvghrnheptdeggfdtuddujeekleevvd eivdevheeigeeffeetfefgfeefkeehffdvfeevfffgnecuvehluhhsthgvrhfuihiivgep tdenucfrrghrrghmpehmrghilhhfrhhomhepmhgsjhdoihgvthhfseegieeikedrshgv X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 18 Jan 2022 02:58:36 -0500 (EST) Date: Tue, 18 Jan 2022 08:58:34 +0100 (CET) Message-Id: <20220118.085834.1487639633467012786.id@4668.se> To: nick.hancock@adtran.com Cc: netmod@ietf.org From: Martin =?iso-8859-1?Q?Bj=F6rklund?= In-Reply-To: References: X-Mailer: Mew version 6.8 on Emacs 26.3 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Archived-At: Subject: Re: [netmod] Should an empty enumeration be allowed within a union? X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Jan 2022 07:58:49 -0000 Hi, Nick Hancock wrote: > Hi, > > We need some advice on whether the following can be considered as > valid YANG syntax and whether the behavior is that which we expect. > > We have a use case (simplified in the example below) where a client is > required to define a certain concrete integer value for a server to > use for some purpose, which is represented by the leaf 'foo' in the > example below. > > On some servers we want to offer an additional option of an automatic > assignment of this value by the server. To this end, we defined a > union of an integer type and an enumeration with one enum > 'auto-select', as shown below. Since the support of 'auto-select' is > optional, it is tagged with an if-feature statement. Note that there > will also be additional data nodes in the schema tree that are > associated with this configuration and will also be dependent on this > feature. > > leaf foo { > type union { > type uint8; > type enumeration { > enum auto-select { > if-feature "auto-select-foo"; > description > "The server automatically selects a value for foo."; > } > } > } > mandatory true; > description > "The value of foo."; > } > > According to RFC 7950 section 9.6.4, an enum statement must be > present within an enumeration definition. If the feature 'auto-select- > foo' is not supported by a server, does the enumeration still comply > with this requirement given that there is an enum statement present? > > According to yanger it does not. Is yanger wrong? > > If the YANG is compiled without the feature, yanger currently reports > the following error: > "error: a type enumeration must have at least one enum statement". > > The requirement that an enumeration must have at least one enum > would make sense, if the type for a leaf was just an enumeration, > because otherwise a client would not be able to configure a valid > value. > > However, it could be argued that in the case of the union, there would > be no issue with the enumeration being an empty set as the client > would nevertheless be able to define a valid value and fulfill the > 'mandatory' requirement as a result of the other types in the union, > in the example above the uint8. I agree. > What is NETMOD's opinion on this? Could the above example be seen as > valid YANG syntax? I think so. I think yanger is wrong in this case. Perhaps it would be possible to come up with some clever little rules in the spec that make this case legal, but make the same enumeration w/o the union illegal. But I don't think it would be worth it; with the expressiveness of YANG it is possible to create models that don't make any sense, e.g., type string { pattern "x"; pattern "x" { modifier invert-match; } } or leaf foo { type int32; mandatory true; } leaf bar { mandatory true; type int32; must "../foo = 'hello'"; } etc. So I think that even this nonsensical example is "legal": leaf foo { type enumeration { enum x { if-feature bar; } } } > If this is not the case, then we have an issue as we would have to > remove the if-feature statement from the enum. Having done this, a > client would then be able to configure the value 'auto-select' on > servers that do not support the feature, which is of course is > undesirable. > > Assuming that the use of an empty enumeration is valid, if the feature > 'auto-select-foo' is not supported, is it true that only an integer of > type unit8 would then be allowed? Yes, that's the only reasonable interpretation. /martin From nobody Tue Jan 18 01:38:20 2022 Return-Path: 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 91EC33A142B; Tue, 18 Jan 2022 01:38:17 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-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 De_y_G38Ew9M; Tue, 18 Jan 2022 01:38:13 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by 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"draft-ietf-netmod-node-tags@ietf.org" CC: "netmod@ietf.org" Thread-Topic: A review of draft-ietf-netmod-node-tags Thread-Index: AdgMQrI5zb//OQiqSa6PFee3n0EBlw== Date: Tue, 18 Jan 2022 09:38:07 +0000 Message-ID: <264b58a0a6b44a538efa719ae3733e0a@huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.136.100.16] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [netmod] A review of draft-ietf-netmod-node-tags X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 18 Jan 2022 09:38:18 -0000 VGhhbmtzIEFkcmlhbiBmb3IgdmFsdWFibGUgcmV2aWV3LCBwbGVhc2Ugc2VlIHJlbHkgaW5saW5l IGJlbG93Lg0KDQotUWluDQotLS0tLdPKvP7Urbz+LS0tLS0NCreivP7IyzogQWRyaWFuIEZhcnJl 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Date: Tue, 18 Jan 2022 17:12:38 -0000 Organization: Old Dog Consulting Message-ID: <08ff01d80c8e$996d5c00$cc481400$@olddog.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQFIzLyTSdNsJyj+h9oPw3UjX2SpU62Hex8Q Content-Language: en-gb X-Originating-IP: 185.69.145.142 X-Thinkmail-Auth: adrian@olddog.co.uk X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.1.0.2090-8.6.0.1018-26662.001 X-TM-AS-Result: No--8.307-10.0-31-10 X-imss-scan-details: No--8.307-10.0-31-10 X-TMASE-Version: IMSVA-9.1.0.2090-8.6.1018-26662.001 X-TMASE-Result: 10--8.306800-10.000000 X-TMASE-MatchedRID: IeZYkn8zfFqWfDtBOz4q23FPUrVDm6jtkYC3rjkUXRLJZ+JM5CpHLwj8 UxwkHuUprdokn0WqAQduAjj4f+4n7Z9vFrcDXJOncTwOmq5GKdCOQOsE4nDCdNctGlxeXl/oKwf B7hX80rB/XSpwlE73NmnVaU8TY9DTp3ZzV11tDxJFM72aEhcbjfNkoMDX+kiusR73pvMuk6/NyK ie5lK2W6u7wh9A0CZnJu6v9wN0Cth8pgecdPLWZeGECTbIgjb5vMRNh9hLjFnjMdiTHFh6iLWOD 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X-List-Received-Date: Tue, 18 Jan 2022 17:12:54 -0000 Thanks Qin, Good convergence. Edited down to just the remaining points. Best, Adrian >There is some contradiction between and within sections 4.3 and 4.4 > >1. If a user tag is defined as any tag that has the prefix "user:" > how can you then say that users are not required to use the "user:" > prefix? That would mean that a user tag is any tag that does or > does not have the prefix "user:" [Qin Wu] Correct. >2. If any tag not starting with "ietf:", "vendor:", or "user:" is > reserved, how can a user create a tag that doesn't start with > "user:"? [Qin Wu] :I understand your concern, but my understanding on reserved tag, upon such reserved tag is allocated, it should start with "xxx:", Therefore such reserved tag can not be seen as user tag. It seems unlikely there is contraction if my understanding is correct. Correct me if I am wrong. [AF] Ah, I missed the point! A user tag is: - any tag with the prefix "user" or - any tag that has no prefix at all Thus, and for the avoidance of confusion, the colon (":") when it appears for the first time, is always assumed to be the separator between a prefix and the rest of the tag. And so, when a user tag does not have a prefix, it MUST NOT contain a colon. --- >Section 9.1 reasonably uses the "Specification Required" assignment policy. But, according to 8126, that policy requires the appointment of a designated expert. According to section 5.3 of 8126... > When a designated expert is used, the documentation should give clear > guidance to the designated expert, laying out criteria for performing > an evaluation and reasons for rejecting a request. >So you need to add a section to cover this. It can be simple if the rule is "read the specification, check it is permanent and readily available, and watch for inappropriate use of language." Or it might be more complex if you want the DE to check more stuff. [Qin Wu] Thanks for the reference, I re-read section 5.3 of RFC8126, it also said: " In the case where there are no specific documented criteria, the presumption should be that a code point should be granted unless there is a compelling reason to the contrary (and see also Section 5.4). " My understanding is documented criteria is not mandatory, if you have code point value (i.e., prefix value in section 9.1)that needs to be allocated based on IANA request. I think section 9.1 may fall into this case. [AF] I agree with your reading of 8126, but also that it is hard for someone in 5 years' time to know whether you left out guidance for the DE by mistake or intended that this "no specific criteria" clause should apply. [AF] Therefore, if you have no specific criteria, I think it is good to say so as... There is no specific guidance for the Designated Expert and there is a presumption that a code point should be granted unless there is a compelling reason to the contrary. [Qin] For section 9.2, I agree to add one rule, i.e., "IANA assigned tags must conform to Net-Unicode as defined in [RFC5198], and they shall not need normalization". I believe this is the guidance given to the designated expert. [AF] That's great. Can you make that... "The Designated Expert is expected to verify that IANA assigned tags conform to ...." Hope this address your comment. >Section 5 has > As the main consumer of > data object tags are users, users may also remove any tag from a live > server, no matter how the tag became associated with a data object > within a YANG module. > >Suppose there are two users accessing the same YANG data objects on a live server. This doesn't seem unreasonable in the case of different users or monitoring tools reading data about the network or devices. > >Doesn't this text lead to "warring tag removal" where one user adds a tag, and another user removes it? > >Maybe this is limited to user tags so that each user may have their own tags. But, in this case, it needs to be clearer what a user tag contains and how it is used. > >It would still be pretty annoying is Benoit added user:benoit to some data objects, and I went and removed them. [Qin Wu] Yes, I believe it is limited to user tags, since IETF tags are design time tags, so does implementation tags. It is unlikely to face the situation "warring tag removal". But for user tag, your are right, user has its own tags and each user may have different privilege therefore. User with low privilege can not remove the tag owned by high privilege user. But I am not sure this is the scope of this document, It seems to me implementation specific and should not in the scope of this document, agree? (See also section 5.3) [AF] Agree about implementation. But maybe, "An implementation MAY include mechanisms to stop users' removing each other's tags or to apply privilege levels to different users." >Should section 10 talk about the risks associated with an attacker adding or removing tags so that a requester gets the wrong data? [Qin Wu] User tag is not registered, how user tag is defined and removed is not scope of this document, in my opinion. Take a look at RFC8819, RFC8819 also doesn't flag this as a issue, do you think we should do this? [AF] Hmmm. Maybe 8819 missed this? I agree this refers to the previous point. Actually: 1. Just go back and check that it is clear that only user tags can be added/removed dynamically 2. Add a note to section 10 to say "Note that appropriate privilege and security levels need to be applied to the addition and removal of user tags to ensure that a user receives the correct data." >1. > > or some place where offline document are kept > >I don't think a "place" advertises. Maybe "an application or server where offline documents are kept" [Qin Wu]:I think somewhere can be a website, Maybe or websites where offline documents are kept, make sense? [AF] Yes From nobody Tue Jan 18 19:41:48 2022 Return-Path: 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 8D6243A1BED; Tue, 18 Jan 2022 19:41:46 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.897 X-Spam-Level: X-Spam-Status: No, score=-1.897 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-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 vKhWrX0jJwsb; Tue, 18 Jan 2022 19:41:42 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E347C3A1BEC; 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Thread-Topic: A review of draft-ietf-netmod-node-tags Thread-Index: AdgM39GXe0CTHnA6Q46lvYK40nArXA== Date: Wed, 19 Jan 2022 03:41:36 +0000 Message-ID: <358a3b6a55b94d399ec6bd5c976baf53@huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.136.100.16] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [netmod] A review of draft-ietf-netmod-node-tags X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Jan 2022 03:41:47 -0000 SGksIEFkcmlhbjoNClBsZWFzZSBzZWUgZm9sbG93IHVwIHJlcGx5IGJlbG93Lg0KDQo+LS0tLS3T yrz+1K28/i0tLS0tDQo+t6K8/sjLOiBBZHJpYW4gRmFycmVsIFttYWlsdG86YWRyaWFuQG9sZGRv Zy5jby51a10gDQo+t6LLzcqxvOQ6IDIwMjLE6jHUwjE5yNUgMToxMw0KPsrVvP7IyzogUWluIFd1 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b2ZmbGluZSBkb2N1bWVudHMgYXJlIGtlcHQsIG1ha2Ugc2Vuc2U/DQoNCj4gW0FGXSBZZXMNCltR aW4gV3VdIFRoYW5rcy4NCg0K From nobody Tue Jan 18 19:47:41 2022 Return-Path: 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 94F223A1BEE; Tue, 18 Jan 2022 19:47:39 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.898 X-Spam-Level: X-Spam-Status: No, score=-1.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, 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 IFk10AScyIC7; Tue, 18 Jan 2022 19:47:35 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 9E65F3A13E1; Tue, 18 Jan 2022 19:47:35 -0800 (PST) Received: from fraeml740-chm.china.huawei.com (unknown [172.18.147.201]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Jds5z6FWyz67mgD; Wed, 19 Jan 2022 11:47:19 +0800 (CST) Received: from canpemm500007.china.huawei.com (7.192.104.62) by fraeml740-chm.china.huawei.com (10.206.15.221) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Wed, 19 Jan 2022 04:47:32 +0100 Received: from canpemm500005.china.huawei.com (7.192.104.229) by canpemm500007.china.huawei.com (7.192.104.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Wed, 19 Jan 2022 11:47:30 +0800 Received: from canpemm500005.china.huawei.com ([7.192.104.229]) by canpemm500005.china.huawei.com ([7.192.104.229]) with mapi id 15.01.2308.021; Wed, 19 Jan 2022 11:47:30 +0800 From: Qin Wu To: "chopps@chopps.org" , "netmod@ietf.org" CC: "adrian@olddog.co.uk" , "draft-ietf-netmod-node-tags@ietf.org" Thread-Topic: A review of draft-ietf-netmod-node-tags Thread-Index: AdgM5ujKzwj0r7wITwmsigswevEflg== Date: Wed, 19 Jan 2022 03:47:30 +0000 Message-ID: <34b9e3703dbe401caa783f21ef3c3b06@huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.136.100.16] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected Archived-At: Subject: Re: [netmod] A review of draft-ietf-netmod-node-tags X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Jan 2022 03:47:40 -0000 Hi, Chris: Adrian and I talk about user tag management during his review of draft-ietf= -netmod-node-tags. One issue raised by Adrian is about whether we will face= a situation where one user want to add a user tag while the other user int= ends to remove such tag. So the question related to RFC8819 is: Has RFC8819 missed to talk about the risks associated with an attacker addi= ng or removing tags so that a requester gets the wrong data? See more details below. -Qin >>Section 5 has >> As the main consumer of >> data object tags are users, users may also remove any tag from a live >> server, no matter how the tag became associated with a data object >> within a YANG module. >> >>Suppose there are two users accessing the same YANG data objects on a=20 >>live >server. This doesn't seem unreasonable in the case of different users or m= onitoring tools reading data about the network or devices. >> >>Doesn't this text lead to "warring tag removal" where one user adds a=20 >>tag, >and another user removes it? >> >>Maybe this is limited to user tags so that each user may have their own >tags. But, in this case, it needs to be clearer what a user tag contains a= nd how it is used.=20 >> >>It would still be pretty annoying is Benoit added user:benoit to some=20 >>data >objects, and I went and removed them. > [Qin Wu] Yes, I believe it is limited to user tags, since IETF tags are d= esign time tags, so does implementation tags. It is unlikely to face the si= tuation "warring tag removal". >But for user tag, your are right, user has its own tags and each user may = have different privilege therefore. User with low privilege can not remove = the tag owned by high privilege user. >But I am not sure this is the scope of this document, It seems to me imple= mentation specific and should not in the scope of this document, agree? > (See also section 5.3) [AF] Agree about implementation. But maybe, "An implementation MAY include = mechanisms to stop users' removing each other's tags or to apply privilege = levels to different users." >>Should section 10 talk about the risks associated with an attacker=20 >>adding >or removing tags so that a requester gets the wrong data? > [Qin Wu] User tag is not registered, how user tag is defined and removed = is not scope of this document, in my opinion. Take a look at RFC8819, RFC88= 19 also doesn't flag this as a issue, do you think we should do this? [AF] Hmmm. Maybe 8819 missed this? I agree this refers to the previous point. Actually:=20 1. Just go back and check that it is clear that only user tags can be added= /removed dynamically 2. Add a note to section 10 to say "Note that appropriate privilege and security levels need to be applied = to the addition and removal of user tags to ensure that a user receives the= correct data." From nobody Wed Jan 19 06:29:26 2022 Return-Path: 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 724FC3A0953; Wed, 19 Jan 2022 06:29:24 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.895 X-Spam-Level: X-Spam-Status: No, score=-1.895 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_BLOCKED=0.001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=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 1dOKS3Ogo6dA; Wed, 19 Jan 2022 06:29:22 -0800 (PST) Received: from mta8.iomartmail.com (mta8.iomartmail.com [62.128.193.158]) (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 58CDF3A094B; Wed, 19 Jan 2022 06:29:21 -0800 (PST) Received: from vs4.iomartmail.com (vs4.iomartmail.com [10.12.10.122]) by mta8.iomartmail.com (8.14.4/8.14.4) with ESMTP id 20JETCnI031219; Wed, 19 Jan 2022 14:29:12 GMT Received: from vs4.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 81AF44604C; Wed, 19 Jan 2022 14:29:12 +0000 (GMT) Received: from vs4.iomartmail.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 74EFA4604B; Wed, 19 Jan 2022 14:29:12 +0000 (GMT) Received: from asmtp3.iomartmail.com (unknown [10.12.10.224]) by vs4.iomartmail.com (Postfix) with ESMTPS; Wed, 19 Jan 2022 14:29:12 +0000 (GMT) Received: from LAPTOPK7AS653V ([148.252.128.165]) (authenticated bits=0) by asmtp3.iomartmail.com (8.14.4/8.14.4) with ESMTP id 20JETAfE021135 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 19 Jan 2022 14:29:11 GMT Reply-To: From: "Adrian Farrel" To: "'Qin Wu'" , Cc: References: <358a3b6a55b94d399ec6bd5c976baf53@huawei.com> In-Reply-To: <358a3b6a55b94d399ec6bd5c976baf53@huawei.com> Date: Wed, 19 Jan 2022 14:29:11 -0000 Organization: Old Dog Consulting Message-ID: <0a6101d80d40$edae22b0$c90a6810$@olddog.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQImFc/zFhZOx8AE5yFVuniA0wZlqKvOVWJA Content-Language: en-gb X-Originating-IP: 148.252.128.165 X-Thinkmail-Auth: adrian@olddog.co.uk X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSVA-9.1.0.2090-8.6.0.1018-26662.007 X-TM-AS-Result: No--3.752-10.0-31-10 X-imss-scan-details: No--3.752-10.0-31-10 X-TMASE-Version: IMSVA-9.1.0.2090-8.6.1018-26662.007 X-TMASE-Result: 10--3.751800-10.000000 X-TMASE-MatchedRID: +f/wAVSGjuiWfDtBOz4q23FPUrVDm6jtlHLUcNM85drBAUFww6W8AErr xvu4O01ZBNyCmIook0dPqB3pOTBUj4hJHXP9PE07KiJEqUFWRgj17lqbebntfT5quBdu4J+HnzG rpysaH8AE3IKYiiiTR36UepJW/JGAwl/Y7CtAgSSIf3m0sUfx56UYIgxuvuD+uehCVz3jQkMUiH fUmS+uloTxV9vxmYUj74/KaCgYy0FRtn6dbFTixEjBb8q+S/OC2FA7wK9mP9eZfDRE1uqSgjxjZ ct4QfWdzQtULyYOiWouc83UUEx/pZnw8YdKUHGNZ9lV63zwekJ9LQinZ4QefL6qvLNjDYTwzhtq OA7SSC8O59y7BdAIlwtuKBGekqUpI/NGWt0UYPBZ/11XSd8GnbV5MYsE6nyB+dBpfbhFH9RLQ5L noMtC0hpeoCcJ3+rq X-TMASE-SNAP-Result: 1.821001.0001-0-1-22:0,33:0,34:0-0 Archived-At: Subject: Re: [netmod] A review of draft-ietf-netmod-node-tags X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Jan 2022 14:29:25 -0000 Hi again, Qin. Just closing on the one remaining point. Adrian >>There is some contradiction between and within sections 4.3 and 4.4 >> >>1. If a user tag is defined as any tag that has the prefix "user:" >> how can you then say that users are not required to use the "user:" >> prefix? That would mean that a user tag is any tag that does or >> does not have the prefix "user:" > [Qin Wu] Correct. >>2. If any tag not starting with "ietf:", "vendor:", or "user:" is >> reserved, how can a user create a tag that doesn't start with >> "user:"? > [Qin Wu] :I understand your concern, but my understanding on reserved tag, upon such reserved tag is allocated, it should start with "xxx:", > Therefore such reserved tag can not be seen as user tag. It seems unlikely there is contraction if my understanding is correct. > Correct me if I am wrong. > > [AF] Ah, I missed the point! >A user tag is: >- any tag with the prefix "user" >or >- any tag that has no prefix at all >Thus, and for the avoidance of confusion, the colon (":") when it appears for the first time, is always assumed to be the separator between a prefix and the rest of the tag. And so, when a user tag does not have a prefix, it MUST NOT contain a colon. [Qin Wu] Your understanding is correct, if you think I should add some text to make this more clear, I am happy to do so. Maybe just a sentence. I know that my confusion is not indicative of the state of the average reader, but maybe there are others who would be just as confused. 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Thu, 20 Jan 2022 20:01:32 +0800 (CST) Received: from canpemm100008.china.huawei.com (7.192.104.152) by fraeml737-chm.china.huawei.com (10.206.15.218) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Thu, 20 Jan 2022 13:01:46 +0100 Received: from canpemm500005.china.huawei.com (7.192.104.229) by canpemm100008.china.huawei.com (7.192.104.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Thu, 20 Jan 2022 20:01:44 +0800 Received: from canpemm500005.china.huawei.com ([7.192.104.229]) by canpemm500005.china.huawei.com ([7.192.104.229]) with mapi id 15.01.2308.021; Thu, 20 Jan 2022 20:01:44 +0800 From: Qin Wu To: "adrian@olddog.co.uk" , "draft-ietf-netmod-node-tags@ietf.org" CC: "netmod@ietf.org" Thread-Topic: A review of draft-ietf-netmod-node-tags Thread-Index: AdgN9X0oe0CTHnA6Q46lvYK40nArXA== Date: Thu, 20 Jan 2022 12:01:44 +0000 Message-ID: <130e9f5191454d538fdcae6cba9cdaae@huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.136.100.16] Content-Type: text/plain; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable YANG Versioning Weekly Call Minutes - 2022-01-18 We discussed the following two open issues: Jason: #74 items (a) and (c) and #38 (schema terminology) Rob: #57 (mount points in packages) For #74 we're done reviewing. Jason to update, issue PR, and pull changes i= nto the latest draft. For #57: - further clarification needed around what the list of mount points means i= n a package Next open issues to progress: Balazs: #65: (revision label scheme for Packages) Reshad: #63: (Precedence of packages in Package definition) Bo: #105 and #125 Jan: #70 (and close off #67/#69 in GitHub) #29: (package deviation example) - looking for someone to own this one (pro= pose text) #32: (what does metadata mean) - looking for someone to own this one (propo= se text) Jason ---------------------------------------------- Versioning work on Github: https://github.com/netmod-wg/yang-ver-dt ---------------------------------------------- Weekly webex call details: Meeting number (access code): 161 096 5630 Meeting password: semver? Occurs every Tuesday effective Tuesday, November 16, 2021 from 9:00 AM to 1= 0:00 AM, (UTC-05:00) Eastern Time (US & Canada) 9:00 AM | (UTC-05:00) Eastern Time (US & Canada) | 1 hr https://ietf.webex.com/ietf/j.php?MTID=3Dme2c6491ebcc37b8127c1244d244d2754 Tap to join from a mobile device (attendees only) +1-650-479-3208,,1610965630## Call-in toll number (US/Canada) --_000_DM6PR08MB508448646B85003D26C9FA7D9B5A9DM6PR08MB5084namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

YANG Versioning Weekly Call Minutes - 2022-01-18

 

We discussed the following two open issues:

Jason: #74 items (a) and (c) and #38  (schema t= erminology)

Rob: #57 (mount points in packages)

 

For #74 we're done reviewing. Jason to update, issue= PR, and pull changes into the latest draft.

 

For #57:

- further clarification needed around what the list = of mount points means in a package

 

Next open issues to progress:

 

Balazs: #65: (revision label scheme for Packages)

Reshad: #63: (Precedence of packages in Package defi= nition)

Bo: #105 and #125

Jan: #70  (and close off #67/#69 in GitHub)

 

#29: (package deviation example) - looking for someo= ne to own this one (propose text)

#32: (what does metadata mean) - looking for someone= to own this one (propose text)

 

Jason

 

----------------------------------------------<= /o:p>

Versioning work on Github:

https://github.com/netmod-wg/yang-ver-dt

 

----------------------------------------------<= /o:p>

Weekly webex call details:

 

Meeting number (access code): 161 096 5630

Meeting password: semver?

 

Occurs every Tuesday effective Tuesday, November 16,= 2021 from 9:00 AM to 10:00 AM, (UTC-05:00) Eastern Time (US & Canada)

9:00 AM  |  (UTC-05:00) Eastern Time (US &= amp; Canada)  |  1 hr

 

https://ietf.webex.com/ietf/j.php?MTID= =3Dme2c6491ebcc37b8127c1244d244d2754

Tap to join from a mobile device (attendees only)

+1-650-479-3208,,1610965630## Call-in toll number (U= S/Canada)

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X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO2PR0801MB2150 Archived-At: Subject: Re: [netmod] Definitions of YANG schema and Packages (in packages draft) - Issue #74 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 Jan 2022 00:45:49 -0000 --_000_DM6PR08MB5084258D6265B85C305DFA749B5B9DM6PR08MB5084namp_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 QWZ0ZXIgc29tZSBkaXNjdXNzaW9ucyBvbiB0aGUgd2Vla2x5IGNhbGxzLCB3ZSBhcmUgZ29pbmcg dG8gYXZvaWQgZGVmaW5pbmcgIllBTkcgc2NoZW1hIi4gIFdlJ2xsIHJvbGwgdGhlIGZvbGxvd2lu ZyB0ZXJtcyBpbnRvIHRoZSBuZXh0IHZlcnNpb24gb2YgdGhlIGRyYWZ0Og0KDQpBYnN0cmFjdDoN Cg0KICAgVGhpcyBkb2N1bWVudCBkZWZpbmVzIFlBTkcgcGFja2FnZXM7IGEgdmVyc2lvbmVkIG9y Z2FuaXphdGlvbmFsDQogICBzdHJ1Y3R1cmUgdXNlZCB0byBtYW5hZ2Ugc2NoZW1hIGFuZCBjb25m b3JtYW5jZSBvZiBZQU5HIG1vZHVsZXMgYXMgYQ0KICAgY29oZXNpdmUgc2V0IGluc3RlYWQgb2Yg 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Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cesnet.cz 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 IuKUhItzRBER for ; Mon, 24 Jan 2022 05:12:14 -0800 (PST) Received: from kalendar.cesnet.cz (kalendar.cesnet.cz [78.128.211.34]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id DA14D3A13F7 for ; Mon, 24 Jan 2022 05:12:13 -0800 (PST) Received: by kalendar.cesnet.cz (Postfix, from userid 110) id 56F4760068; Mon, 24 Jan 2022 14:12:09 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cesnet.cz; s=kalendar; t=1643029929; bh=KZR6y0g5ruqPbykYg2m+HQcf9BsSBdduEh4PocLMTmw=; h=From:To:Date:Subject; b=Qu/AYtfXeTwDlAPxYKAp+4XFFf75EMq7E4mlwM+l8zs+f31Rdb7sJs7JGwJIXSzSX Pxm3ckCJETXO2s5fAuCVLjgkzwqjN5fybPcY65pRezme7c8wyP72qorh1w1Ti7bSw8 nUfmjEf4SefgHOhD2afMHGWjxw8eLenF+OngKhMk= From: =?utf-8?q?Michal_Va=C5=A1ko?= To: "netmod" User-Agent: SOGoMail 5.5.0 MIME-Version: 1.0 Date: Mon, 24 Jan 2022 14:12:09 +0100 Message-ID: <19e7-61eea580-31-3a495240@76250820> X-Forward: 84.42.188.124 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Archived-At: Subject: [netmod] Schema Mount X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Jan 2022 13:12:19 -0000 Hello, I wanted to implement this RFC [1] but I have great difficulty understa= nding how exactly it should work so I would like to ask for some clarif= ication. As for the ietf-yang-library data, they are mentioned several times but= I could find no details as to how exactly they should look like. There= is an example [2], which has only 'ietf-yang-library:modules-state' da= ta tree that is deprecated. Am I to understand that is what is expected= ? Another thing, there are 3 ways mentioned [3] as to when to specify the= schema (YANG modules) for the mounted data and that only 2nd and 3rd a= re covered in the RFC. However, I was not able to find anything more ab= out the 2nd option (implementation-time) and think that everything conc= erns only the 3rd option (run-time). Lastly, I was also looking at another RFC [4] and its examples. There I= could see 'ietf-yang-library:yang-library' data tree instead meaning e= very 'module-set' and corresponding 'schema' need to be referenced by s= ome 'datastore'. The consequence would be that one must know the datast= ore of the data before they can be parsed, is that right? Moreover, for= parsing one would also need the 'ietf-yang-schema-mount:schema-mounts'= data (which are found in the operation data in the example) but where = should the NETCONF/RESTCONF server (for instance) get them? Thanks for any clarification. Regards, Michal From nobody Mon Jan 24 05:49:20 2022 Return-Path: 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 1C31A3A07A7 for ; Mon, 24 Jan 2022 05:49:19 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -7.099 X-Spam-Level: X-Spam-Status: No, score=-7.099 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cesnet.cz 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 3OzlHSdvdo1w for ; Mon, 24 Jan 2022 05:49:15 -0800 (PST) Received: from kalendar.cesnet.cz (kalendar.cesnet.cz [78.128.211.34]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D2BCD3A07A5 for ; Mon, 24 Jan 2022 05:49:14 -0800 (PST) Received: by kalendar.cesnet.cz (Postfix, from userid 110) id 1931660068; Mon, 24 Jan 2022 14:49:10 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cesnet.cz; s=kalendar; t=1643032150; bh=y/97Qbpk4Qp6XkR/WgIan6ioHOYITNuoFp8euR9x0NI=; h=From:In-Reply-To:Date:To:Subject; b=kPmBKpVwYu89DrMhd5v2f2qLUBdeyEUngfR3Ovt05PFGECKez4ITKjtyN282Lk9FA HK+CIwaQMkCsXfbgRTAtc4gtgwNjHhFiTelONoV9Jj4yqSSXen4V1fXLWYeML0cQf2 ymlSHZI214QVVGFHQ+ifP58ngFOAXjAfwyJxp17k= From: =?utf-8?q?Michal_Va=C5=A1ko?= In-Reply-To: <19e7-61eea580-31-3a495240@76250820> Content-Type: text/plain; charset="utf-8" X-Forward: 84.42.188.124 Date: Mon, 24 Jan 2022 14:49:10 +0100 To: "netmod" MIME-Version: 1.0 Message-ID: <19e5-61eeae80-23-1f5ff2c0@262915203> User-Agent: SOGoMail 5.5.0 Content-Transfer-Encoding: quoted-printable Archived-At: Subject: Re: [netmod] =?utf-8?q?Schema_Mount?= X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Jan 2022 13:49:19 -0000 Sorry, adding links. > Hello, > I wanted to implement this RFC [1] but I have great difficulty unders= tanding how exactly it should work so I would like to ask for some clar= ification. > > As for the ietf-yang-library data, they are mentioned several times b= ut I could find no details as to how exactly they should look like. The= re is an example [2], which has only 'ietf-yang-library:modules-state' = data tree that is deprecated. Am I to understand that is what is expect= ed? > > Another thing, there are 3 ways mentioned [3] as to when to specify t= he schema (YANG modules) for the mounted data and that only 2nd and 3rd= are covered in the RFC. However, I was not able to find anything more = about the 2nd option (implementation-time) and think that everything co= ncerns only the 3rd option (run-time). > > Lastly, I was also looking at another RFC [4] and its examples. There= I could see 'ietf-yang-library:yang-library' data tree instead meaning= every 'module-set' and corresponding 'schema' need to be referenced by= some 'datastore'. The consequence would be that one must know the data= store of the data before they can be parsed, is that right? Moreover, f= or parsing one would also need the 'ietf-yang-schema-mount:schema-mount= s' data (which are found in the operation data in the example) but wher= e should the NETCONF/RESTCONF server (for instance) get them? > > Thanks for any clarification. > > Regards, > Michal [1] https://datatracker.ietf.org/doc/html/rfc8528 [2] https://datatracker.ietf.org/doc/html/rfc8528#appendix-A.2 [3] https://datatracker.ietf.org/doc/html/rfc8528#page-5 [4] https://datatracker.ietf.org/doc/html/rfc8529#appendix-A.3 > =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= > netmod mailing list > netmod@ietf.org > https://www.ietf.org/mailman/listinfo/netmod From nobody Tue Jan 25 05:33:42 2022 Return-Path: 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 297E33A119F for ; Tue, 25 Jan 2022 05:33:39 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -9.597 X-Spam-Level: X-Spam-Status: No, score=-9.597 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_BLOCKED=0.001, SPF_NONE=0.001, URIBL_BLOCKED=0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no Authentication-Results: ietfa.amsl.com (amavisd-new); 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charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BY5PR11MB4196.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3d45b1e7-fed8-42f7-da0e-08d9e0074624 X-MS-Exchange-CrossTenant-originalarrivaltime: 25 Jan 2022 13:33:29.4755 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: ULzxvrSQek1FzWQDrr5DKLVkM+R2tOfFb7X09MndQLPQJxhLfpBTAiD6joD+3fJUVHZHoVvrcsXDGDJLXd3Iaw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR11MB0043 X-OriginatorOrg: cisco.com X-Outbound-SMTP-Client: 173.37.102.21, xbe-rcd-006.cisco.com X-Outbound-Node: alln-core-12.cisco.com Archived-At: Subject: Re: [netmod] Schema Mount X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Jan 2022 13:33:39 -0000 Hi Michal, This isn't directly answering your questions, but I wanted to point out tha= t YANG versioning work is currently discussing YANG packages, and how they = work with Schema mount. There are weekly calls (which starts in just under= half an hour), that are open to all: https://ietf.webex.com/ietf/j.php?MTID=3Dme2c6491ebcc37b8127c1244d244d2754 Regards, Rob -----Original Message----- From: netmod On Behalf Of Michal Va=B9ko Sent: 24 January 2022 13:12 To: netmod Subject: [netmod] Schema Mount Hello, I wanted to implement this RFC [1] but I have great difficulty understandin= g how exactly it should work so I would like to ask for some clarification. As for the ietf-yang-library data, they are mentioned several times but I c= ould find no details as to how exactly they should look like. There is an e= xample [2], which has only 'ietf-yang-library:modules-state' data tree that= is deprecated. Am I to understand that is what is expected? Another thing, there are 3 ways mentioned [3] as to when to specify the sch= ema (YANG modules) for the mounted data and that only 2nd and 3rd are cover= ed in the RFC. However, I was not able to find anything more about the 2nd = option (implementation-time) and think that everything concerns only the 3r= d option (run-time). Lastly, I was also looking at another RFC [4] and its examples. There I cou= ld see 'ietf-yang-library:yang-library' data tree instead meaning every 'mo= dule-set' and corresponding 'schema' need to be referenced by some 'datasto= re'. The consequence would be that one must know the datastore of the data = before they can be parsed, is that right? Moreover, for parsing one would a= lso need the 'ietf-yang-schema-mount:schema-mounts' data (which are found i= n the operation data in the example) but where should the NETCONF/RESTCONF = server (for instance) get them? Thanks for any clarification. 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable YANG Versioning Weekly Call Minutes - 2022-01-25 WG LC next steps for 1st two drafts: - Jason to discuss plan with NETMOD chairs. Jason: #74 items (a) and (c) and #38: - if one person can review PR#127 for basic sanity, Jason will pull into la= test draft on github. Schema terminology by jsterne * Pull Request #127 * netmod-wg/yang-ver-dt (= github.com) Rob: #57 (mount points in packages): - needs further discussion and refinement Open Actions: ------------------ Balazs: #65: (revision label scheme for Packages) Reshad: #63: (Precedence of packages in Package definition) Bo: #105 and #125 (remove some things, update some terms) Jan: #70 (and close off #67/#69 in GitHub) #74: Jason #30: Jason #29: (package deviation example) - looking for someone to own this one (pro= pose text) #32: (what does metadata mean) - looking for someone to own this one (propo= se text) #64: Jason #66: Jason #76: Reshad to refresh on this and we'll discuss in future meetings #97: (submodules) Jason Jason ---------------------------------------------- Versioning work on Github: https://github.com/netmod-wg/yang-ver-dt ---------------------------------------------- Weekly webex call details: Meeting number (access code): 161 096 5630 Meeting password: semver? Occurs every Tuesday effective Tuesday, November 16, 2021 from 9:00 AM to 1= 0:00 AM, (UTC-05:00) Eastern Time (US & Canada) 9:00 AM | (UTC-05:00) Eastern Time (US & Canada) | 1 hr https://ietf.webex.com/ietf/j.php?MTID=3Dme2c6491ebcc37b8127c1244d244d2754 Tap to join from a mobile device (attendees only) +1-650-479-3208,,1610965630## Call-in toll number (US/Canada) --_000_DM6PR08MB50842B19F140BA93097CEDD69B219DM6PR08MB5084namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

YANG Versioning Weekly Call Minutes - 2022-01-25

 

WG LC next steps for 1st two drafts:

- Jason to discuss plan with NETMOD chairs.

 

Jason: #74 items (a) and (c) and #38:

- if one person can review PR#127 for basic sanity, = Jason will pull into latest draft on github.

Schema terminology by jsterne · Pull Request #127 ·= netmod-wg/yang-ver-dt (github.com)

 

Rob: #57 (mount points in packages):

- needs further discussion and refinement=

 

Open Actions:

------------------

Balazs: #65: (revision label scheme for Packages)

Reshad: #63: (Precedence of packages in Package defi= nition)

Bo: #105 and #125 (remove some things, update some t= erms)

Jan: #70  (and close off #67/#69 in GitHub)

#74: Jason

#30: Jason

#29: (package deviation example) - looking for someo= ne to own this one (propose text)

#32: (what does metadata mean) - looking for someone= to own this one (propose text)

#64: Jason

#66: Jason

#76: Reshad to refresh on this and we'll discuss in = future meetings

#97: (submodules) Jason

 

Jason

 

----------------------------------------------<= /o:p>

Versioning work on Github:

https://github.com/netmod-wg/yang-ver-dt

 

----------------------------------------------<= /o:p>

Weekly webex call details:

 

Meeting number (access code): 161 096 5630

Meeting password: semver?

 

Occurs every Tuesday effective Tuesday, November 16,= 2021 from 9:00 AM to 10:00 AM, (UTC-05:00) Eastern Time (US & Canada)

9:00 AM  |  (UTC-05:00) Eastern Time (US &= amp; Canada)  |  1 hr

 

https://ietf.webex.com/ietf/j.php?MTID= =3Dme2c6491ebcc37b8127c1244d244d2754

Tap to join from a mobile device (attendees only)

+1-650-479-3208,,1610965630## Call-in toll number (U= S/Canada)

 

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BY5PR14MB3272 Archived-At: Subject: [netmod] Regarding IPR on draft-ietf-netmod-yang-module-versioning-05 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 31 Jan 2022 21:54:19 -0000 Authors, Contributors, WG, As part of WG Last Call: Are you aware of any IPR that applies to drafts identified above? Please state either: "No, I'm not aware of any IPR that applies to this draft" or "Yes, I'm aware of IPR that applies to this draft" If so, has this IPR been disclosed in compliance with IETF IPR rules (see RFCs 3669, 5378 and 8179 for more details)? If yes to the above, please state either: "Yes, the IPR has been disclosed in compliance with IETF IPR rules" or "No, the IPR has not been disclosed" If you answer no, please provide any additional details you think appropriate. If you are listed as a document author or contributor please answer the above by responding to this email regardless of whether or not you are aware of any relevant IPR. This document will not advance to the next stage until a response has been received from each author. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S TO LINES. If you are on the WG email list or attend WG meetings but are not listed as an author or contributor, we remind you of your obligations under the IETF IPR rules which encourages you to notify the IETF if you are aware of IPR of others on an IETF contribution, or to refrain from participating in any contribution or discussion related to your undisclosed IPR. For more information, please see the RFCs listed above and http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty. Thank you, Lou (Co-Chair) PS Please include all listed in the headers of this message in your response. 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Mon, 31 Jan 2022 21:57:22 +0000 Message-ID: <595e0866-12c0-b48f-630e-36f8c358222c@labn.net> Date: Mon, 31 Jan 2022 16:57:19 -0500 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Content-Language: en-US From: Lou Berger To: jclarke@cisco.com, rwilton@cisco.com, reshad@yahoo.com, balazs.lengyel@ericsson.com, jason.sterne@nokia.com, benoit.claise@huawei.com Cc: NetMod WG , NetMod WG Chairs Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: BYAPR02CA0045.namprd02.prod.outlook.com (2603:10b6:a03:54::22) To SJ0PR14MB4792.namprd14.prod.outlook.com (2603:10b6:a03:379::24) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 4ce3a265-c776-47b8-2b8a-08d9e504a8c2 X-MS-TrafficTypeDiagnostic: MN2PR14MB4159:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5236; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Please state either: "No, I'm not aware of any IPR that applies to this draft" or "Yes, I'm aware of IPR that applies to this draft" If so, has this IPR been disclosed in compliance with IETF IPR rules (see RFCs 3669, 5378 and 8179 for more details)? If yes to the above, please state either: "Yes, the IPR has been disclosed in compliance with IETF IPR rules" or "No, the IPR has not been disclosed" If you answer no, please provide any additional details you think appropriate. If you are listed as a document author or contributor please answer the above by responding to this email regardless of whether or not you are aware of any relevant IPR. This document will not advance to the next stage until a response has been received from each author. NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S TO LINES. If you are on the WG email list or attend WG meetings but are not listed as an author or contributor, we remind you of your obligations under the IETF IPR rules which encourages you to notify the IETF if you are aware of IPR of others on an IETF contribution, or to refrain from participating in any contribution or discussion related to your undisclosed IPR. For more information, please see the RFCs listed above and http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty. Thank you, Lou (Co-Chair) PS Please include all listed in the headers of this message in your response. From nobody Mon Jan 31 21:24:53 2022 Return-Path: X-Original-To: netmod@ietf.org Delivered-To: netmod@ietfa.amsl.com Received: from ietfa.amsl.com (localhost [IPv6:::1]) by ietfa.amsl.com (Postfix) with ESMTP id 734E03A1462; Mon, 31 Jan 2022 21:24:35 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit From: Mahesh Jethanandani via Datatracker To: Cc: draft-ietf-netmod-node-tags.all@ietf.org, last-call@ietf.org, netmod@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 7.44.0 Auto-Submitted: auto-generated Precedence: bulk Message-ID: <164369307541.25061.16067998788319986829@ietfa.amsl.com> Reply-To: Mahesh Jethanandani Date: Mon, 31 Jan 2022 21:24:35 -0800 Archived-At: Subject: [netmod] Yangdoctors last call review of draft-ietf-netmod-node-tags-04 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Feb 2022 05:24:36 -0000 Reviewer: Mahesh Jethanandani Review result: On the Right Track Summary: This document defines a method to tag data objects associated with operation and management data in YANG Modules. This YANG data object tagging method can be used to classify data objects from different YANG modules and identify characteristics data. Nits /subobjects/sub-objects/g Comments: If the document updates RFC 8407, it needs to mention that in the Abstract. Also the abstract can be shortened to what the document defines, and move everything else into the introduction. The document says "This document defines an extension statement ...". Is only extension statement defined? Text like "data object tags may be registered as well as assigned during module definition" follow the pattern of RFC 8819 and should be referred to rather than duplicated. If assigned during implementation, is there a possibility that the same tag is assigned by two different implementations? What is the scope of a given data object tag? Similarly, the draft says "objects can be one of container, leaf-list and list". Did you mean to say "objects can be one of type container, leaf-list and list"? The example in Figure 2 can be improved. For example, if all the data objects are for the module name "tunnel-pm", do you need the last column. More importantly, it is not clear why tunnel-src/max-latency (why a gap between / and max-latency), is not an object tag? Can a sub-object tag exist if the node is not an object tag? In Section 4, Data Object Tag Values, it says tags can be any value except carriage-returns, newlines and tabs. Does it mean spaces are allowed? Can a data object have multiple tags? What does it mean "No further structure is imposed ..."? Section 4.2 introduces the concept of vendor prefix for tags. It says vendors include extra identification in the tag to avoid collision. But what is to say that two organizations may not use the same identification? And is this identifier part of the tag or is separated from the tag with a :. Similarly, it says that user prefix is RECOMMENDED. If not using it can cause collision, why is use prefix RECOMMENDED and not a MUST? The draft has just one example. And it shows mostly ietf prefixed tags. More examples showing use of different types of tags are needed. It would be helpful to know how tags can be removed. Section 5 - YANG Module. The section does not reference the RFCs that it imports modules from, e.g. ietf-netcom-acm. Inside the YANG model, import statements need to carry reference statement. The WG link needs to refer to datatracker.ietf.org and not tools.ietf.org The Copyright statement has 2021 as the year. Line length should be limited to 72 columns. No need to repeat parent name in child node, e.g. object-name -> name. Indentation is off in places, specially in the example. A pyang compilation of the model with —ietf and —lint option was clean. A idnits run of the draft reveals a few issues. Please address them. draft-ietf-netmod-node-tags-04.txt: Checking boilerplate required by RFC 5378 and the IETF Trust (see https://trustee.ietf.org/license-info): ------------------------------------------------------------------- No issues found here. Checking nits according to https://www.ietf.org/id-info/1id-guidelines.txt: ------------------------------------------------------------------- No issues found here. Checking nits according to https://www.ietf.org/id-info/checklist : ------------------------------------------------------------------- ** There are 70 instances of too long lines in the document, the longest one being 15 characters in excess of 72. -- The draft header indicates that this document updates RFC8407, but the abstract doesn't seem to mention this, which it should. Miscellaneous warnings: ------------------------------------------------------------------- == The copyright year in the IETF Trust and authors Copyright Line does not match the current year == Line 404 has weird spacing: '...ct-name nac...' == Line 493 has weird spacing: '...dentify multi...' == Line 656 has weird spacing: '...resents a pro...' == Line 999 has weird spacing: '...dentify multi...' -- The document date (November 2021) is 77 days in the past. Is this intentional? Checking references for intended status: Proposed Standard ------------------------------------------------------------------- (See RFCs 3967 and 4897 for information about using normative references to lower-maturity documents in RFCs) == Missing Reference: 'I-D.netconf-notification-capabilities' is mentioned on line 139, but not defined == Missing Reference: 'I-D.ietf-netmod-yang-instance-file-format' is mentioned on line 1106, but not defined Summary: 1 error (**), 0 flaws (~~), 7 warnings (==), 2 comments (--). Run idnits with the --verbose option for more detailed information about the items above. From nobody Mon Jan 31 23:16:16 2022 Return-Path: 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 15CB13A1854; Mon, 31 Jan 2022 23:16:08 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.611 X-Spam-Level: X-Spam-Status: No, score=-2.611 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.714, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-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 r1gOmpNkXH0S; Mon, 31 Jan 2022 23:16:01 -0800 (PST) Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 00D093A1852; Mon, 31 Jan 2022 23:16:01 -0800 (PST) Received: from fraeml736-chm.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Jnx662FvTz67PFb; Tue, 1 Feb 2022 15:15:26 +0800 (CST) Received: from [10.126.171.149] (10.126.171.149) by fraeml736-chm.china.huawei.com (10.206.15.217) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Tue, 1 Feb 2022 08:15:53 +0100 Message-ID: Date: Tue, 1 Feb 2022 08:15:49 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Content-Language: en-GB To: Lou Berger , , , , , CC: NetMod WG , NetMod WG Chairs References: <595e0866-12c0-b48f-630e-36f8c358222c@labn.net> From: Benoit Claise In-Reply-To: <595e0866-12c0-b48f-630e-36f8c358222c@labn.net> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.126.171.149] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To fraeml736-chm.china.huawei.com (10.206.15.217) X-CFilter-Loop: Reflected Archived-At: Subject: Re: [netmod] Regarding IPR on Regarding IPR on draft-ietf-netmod-yang-semver-06 X-BeenThere: netmod@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: NETMOD WG list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Feb 2022 07:16:11 -0000 "No, I'm not aware of any IPR that applies to this draft" Regards, Benoit On 1/31/2022 10:57 PM, Lou Berger wrote: > > > Authors, Contributors, WG, > > As part of WG Last Call: > > Are you aware of any IPR that applies to drafts identified above? > > Please state either: > > "No, I'm not aware of any IPR that applies to this draft" > or > "Yes, I'm aware of IPR that applies to this draft" > > If so, has this IPR been disclosed in compliance with IETF IPR rules > (see RFCs 3669, 5378 and 8179 for more details)? > > If yes to the above, please state either: > > "Yes, the IPR has been disclosed in compliance with IETF IPR rules" > or > "No, the IPR has not been disclosed" > > If you answer no, please provide any additional details you think > appropriate. If you are listed as a document author or contributor > please answer the > above by responding to this email regardless of whether or not you are > aware of any relevant IPR. This document will not advance to the next > stage until a response has been received from each author. > > NOTE: THIS APPLIES TO ALL OF YOU LISTED IN THIS MESSAGE'S TO LINES. > > If you are on the WG email list or attend WG meetings but are not listed > as an author or contributor, we remind you of your obligations under > the IETF IPR rules which encourages you to notify the IETF if you are > aware of IPR of others on an IETF contribution, or to refrain from > participating in any contribution or discussion related to your > undisclosed IPR. For more information, please see the RFCs listed above > and > http://trac.tools.ietf.org/group/iesg/trac/wiki/IntellectualProperty. > > Thank you, > Lou (Co-Chair) > > PS Please include all listed in the headers of this message in your > response. > > > .