Re: [netmod] for a future rfc6991bis

Robert Wilton <rwilton@cisco.com> Thu, 29 November 2018 16:43 UTC

Return-Path: <rwilton@cisco.com>
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 02D79130DCD for <netmod@ietfa.amsl.com>; Thu, 29 Nov 2018 08:43:07 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -15.961
X-Spam-Level:
X-Spam-Status: No, score=-15.961 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.46, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, USER_IN_DEF_DKIM_WL=-7.5] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=cisco.com
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7ePQEx_keoU5 for <netmod@ietfa.amsl.com>; Thu, 29 Nov 2018 08:43:04 -0800 (PST)
Received: from aer-iport-2.cisco.com (aer-iport-2.cisco.com [173.38.203.52]) (using TLSv1.2 with cipher DHE-RSA-SEED-SHA (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 689C3129385 for <netmod@ietf.org>; Thu, 29 Nov 2018 08:43:04 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=3890; q=dns/txt; s=iport; t=1543509784; x=1544719384; h=subject:to:references:from:message-id:date:mime-version: in-reply-to:content-transfer-encoding; bh=WOf679kdcSVJlX4HOlGOf0kSL4f+E443r5SFTmNhPw0=; b=cc2KGYOxtsZZ2aXbw9OaxYVAqyvhrpBRoDhM2TYE3IiME62E83m3Qyhu JCax6ejvYUZJCfl/UiKSlwCPoy+XBEEU3vv1JkS+3C9urWFfGIlE23DWh zFxqMn9if4HGaiOYw9nNx5x+Y5L69tJNA+v7IiBSAw7CFlKzsesrxPVEk 8=;
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: =?us-ascii?q?A0ADAADJFQBc/xbLJq1hAxkBAQEBAQE?= =?us-ascii?q?BAQEBAQEHAQEBAQEBgVEEAQEBAQELAYJpTzMng3mIGF+NCQgll0SBeg0YC4Q?= =?us-ascii?q?DRgKDVDQJDQEDAQECAQECbRwMhTwBAQEEAQEhDwEFNhkCCxABBAEBAQICJgI?= =?us-ascii?q?CGwwoCBMGAgEBF4MGAYIBD6Y8gS+FQIRmBQWBBosigUA/gREnDIJfgx4BAYI?= =?us-ascii?q?CJoI9glcCoCMJkSwGGIlohzSRaYZlgUY4gVUzGggbFTuCbIY7hGGFPz8DMI5?= =?us-ascii?q?BAQE?=
X-IronPort-AV: E=Sophos;i="5.56,295,1539648000"; d="scan'208";a="8471695"
Received: from aer-iport-nat.cisco.com (HELO aer-core-2.cisco.com) ([173.38.203.22]) by aer-iport-2.cisco.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 Nov 2018 16:43:02 +0000
Received: from [10.63.23.68] (dhcp-ensft1-uk-vla370-10-63-23-68.cisco.com [10.63.23.68]) by aer-core-2.cisco.com (8.15.2/8.15.2) with ESMTP id wATGh2TN002099 for <netmod@ietf.org>; Thu, 29 Nov 2018 16:43:02 GMT
To: netmod@ietf.org
References: <20181113140709.vwc4f3mqmmgjaluu@anna.jacobs.jacobs-university.de> <091DC7F4-0C17-4E64-85B8-8963EFBC208B@cisco.com> <1542152721437.91451@Aviatnet.com> <20181114.091024.1454093230497622054.mbj@tail-f.com> <dae0f227c663bdfa105e992c1ae088c22fa545bb.camel@nic.cz> <b45e6850-6943-073b-98a9-8aeab20b3d76@cisco.com> <20181129163457.unituasc6srf5ayi@anna.jacobs.jacobs-university.de>
From: Robert Wilton <rwilton@cisco.com>
Message-ID: <f27d7dd7-0512-29a0-3f08-68111c69141f@cisco.com>
Date: Thu, 29 Nov 2018 16:43:01 +0000
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1
MIME-Version: 1.0
In-Reply-To: <20181129163457.unituasc6srf5ayi@anna.jacobs.jacobs-university.de>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 8bit
Content-Language: en-US
X-Outbound-SMTP-Client: 10.63.23.68, dhcp-ensft1-uk-vla370-10-63-23-68.cisco.com
X-Outbound-Node: aer-core-2.cisco.com
Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/M9sRcp0b6LaS7PR6cXtNFUIgCSo>
Subject: Re: [netmod] for a future rfc6991bis
X-BeenThere: netmod@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: NETMOD WG list <netmod.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/netmod>, <mailto:netmod-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/netmod/>
List-Post: <mailto:netmod@ietf.org>
List-Help: <mailto:netmod-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/netmod>, <mailto:netmod-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 29 Nov 2018 16:43:07 -0000

On 29/11/2018 16:34, Juergen Schoenwaelder wrote:
> Rob,
>
> I have added this to my list of things to look at. Whether we do this
> or not may also depend on how the final date solution will look like
> and whether people feel it is worth to move this out of rfc6991bis,
> i.e., such a YANG revision-identifer is useful for modules that do
> not want to depend on rfc6991bis.

Thanks.  Sounds sensible to me.

Rob


>
> /js
>
> On Thu, Nov 29, 2018 at 11:03:45AM +0000, Robert Wilton wrote:
>> Hi Juergen,
>>
>> YANG library currently defines the type "revision-identifer".  Is this a
>> typedef that should logically migrate to rfc6991bis?
>>
>> Thanks,
>> Rob
>>
>> On 14/11/2018 08:16, Ladislav Lhotka wrote:
>>> On Wed, 2018-11-14 at 09:10 +0100, Martin Bjorklund wrote:
>>>> Hi,
>>>>
>>>> Alex Campbell <Alex.Campbell@Aviatnet.com> wrote:
>>>>> Does a percentage really need a single standard type in the first
>>>>> place? How about "units percent;"?
>>>> At this point, after hearing about how different modules have
>>>> differing requirement on this type, I tend to agree.
>>> +1
>>>
>>> Or even "units %;"
>>>
>>> Lada
>>>
>>>> /martin
>>>>
>>>>
>>>>> ________________________________________
>>>>> From: netmod <netmod-bounces@ietf.org> on behalf of Acee Lindem (acee)
>>>>> <acee@cisco.com>
>>>>> Sent: Wednesday, 14 November 2018 5:03 a.m.
>>>>> To: Juergen Schoenwaelder; Balázs Lengyel
>>>>> Cc: NETMOD WG
>>>>> Subject: Re: [netmod] for a future rfc6991bis
>>>>>
>>>>> On 11/13/18, 9:07 AM, "netmod on behalf of Juergen Schoenwaelder"
>>>>> <netmod-bounces@ietf.org on behalf of
>>>>> j.schoenwaelder@jacobs-university.de> wrote:
>>>>>
>>>>>       On Tue, Nov 13, 2018 at 01:33:01PM +0000, Balázs Lengyel wrote:
>>>>>       > Hello,
>>>>>       >
>>>>>       > In some cases I want a percentage without fractions. This could be
>>>>>       > defined
>>>>>       > using range, by specifying the numbers 0 | 1 | 2 ... 99 | 100 in the
>>>>>       > range's
>>>>>       > argument.
>>>>>       >
>>>>>       >     typedef percent-short {
>>>>>       >       type percent { range 0 | 1 | 2 ... 99 | 100; } // didn't type
>>>>> out
>>>>>       >       all the 101 integer values :-)
>>>>>       >     }
>>>>>       >
>>>>>
>>>>>       I guess we need to settle on a small number of percentage types that
>>>>>       people find useful and then module authors hopefully find what they
>>>>>       need. I am not sure that listing 101 numbers is a good pattern to use
>>>>>       (although it does achieve what you want). For percentages that have no
>>>>>       fraction, you likely want to derive from a base type that is efficient
>>>>>       to encode for binary encodings such as CBOR.
>>>>>
>>>>> Or simply define a type with a base type of unit8 type and a range of
>>>>> 0-100.
>>>>>
>>>>> Acee
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>       /js
>>>>>
>>>>>       --
>>>>>       Juergen Schoenwaelder           Jacobs University Bremen gGmbH
>>>>>       Phone: +49 421 200 3587         Campus Ring 1 | 28759 Bremen | Germany
>>>>>       Fax:   +49 421 200 3103         <https://www.jacobs-university.de/>
>>>>>
>>>>>       _______________________________________________
>>>>>       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
>>>>> _______________________________________________
>>>>> 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