Re: [Netmod-ver-dt] Balazs semver slides

Joe Clarke <jclarke@cisco.com> Sun, 24 March 2019 08:44 UTC

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To: wangzitao <wangzitao@huawei.com>, "Rob Wilton (rwilton)" <rwilton@cisco.com>, Balázs Lengyel <balazs.lengyel@ericsson.com>, Qin Wu <bill.wu@huawei.com>, "netmod-ver-dt@ietf.org" <netmod-ver-dt@ietf.org>
References: <E6BC9BBCBCACC246846FC685F9FF41EA2D978012@DGGEMM527-MBX.china.huawei.com>
From: Joe Clarke <jclarke@cisco.com>
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Date: Sun, 24 Mar 2019 04:44:17 -0400
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Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod-ver-dt/_noIqAr_ycyYMlwwYcjZeYZZm3o>
Subject: Re: [Netmod-ver-dt] Balazs semver slides
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On 3/24/19 04:42, wangzitao wrote:
> Hi Rob,
> 
> Can we allow to import two non-backward compatible models at the same time?
> 
> For the slides' example:
> Available versions: 
> 0.1.0, 1.0.0, 1.1.0, 1.1.1m, 1.1.2M, 1.2.0, 1.2.1M, 1.3.0, 1.3.1, 2.0.0, 2.1.0
> 
> import example-module {     
>      semver:version 1.1.0-1.1.1;
>      semver:version 1.2.0;
>      semver:version 1.3.0+;
>    }
> 
> If the statement "semver:version 1.3.0+" means allow all versions after 1.3.0. it may cause some uncontrollable errors. For example, there is a new version 3.0.0 that delete a list which be augmented by example-module. This will cause obvious error. How to avoid it?

This is a risk the current module author takes.  If they feel the
imported module might change, then they would bound the upper import
with 1.3.0-1.MAX.MAX.

Joe

> 
> Best Regards!
> -Michael
> 
> 
> 	
> -----邮件原件-----
> 发件人: Netmod-ver-dt [mailto:netmod-ver-dt-bounces@ietf.org] 代表 Rob Wilton (rwilton)
> 发送时间: 2019年3月23日 23:11
> 收件人: wangzitao <wangzitao@huawei.com>; Balázs Lengyel <balazs.lengyel@ericsson.com>; Qin Wu <bill.wu@huawei.com>; Joe Clarke (jclarke) <jclarke@cisco.com>; netmod-ver-dt@ietf.org
> 主题: Re: [Netmod-ver-dt] Balazs semver slides
> 
> Hi Michael,
> 
> Because of the '+' in semver:version 1.3.0+;
> 
> Thanks,
> Rob
> 
> 
>> -----Original Message-----
>> From: wangzitao <wangzitao@huawei.com>
>> Sent: 23 March 2019 10:40
>> To: Rob Wilton (rwilton) <rwilton@cisco.com>; Balázs Lengyel 
>> <balazs.lengyel@ericsson.com>; Qin Wu <bill.wu@huawei.com>; Joe Clarke
>> (jclarke) <jclarke@cisco.com>; netmod-ver-dt@ietf.org
>> Subject: RE: [Netmod-ver-dt] Balazs semver slides
>>
>> Hi Rob, Balazs,
>>
>> One comment, Page-18 Import by version, you import versions with a 
>> major version number of 1. Why it allow version '2.0.0' and '2.1.0'?
>>
>> Best Regards!
>> -Michael
>>
>> -----邮件原件-----
>> 发件人: Netmod-ver-dt [mailto:netmod-ver-dt-bounces@ietf.org] 代表 Rob 
>> Wilton (rwilton)
>> 发送时间: 2019年3月22日 20:06
>> 收件人: Balázs Lengyel <balazs.lengyel@ericsson.com>; Qin Wu 
>> <bill.wu@huawei.com>; Joe Clarke (jclarke) <jclarke@cisco.com>; 
>> netmod-ver- dt@ietf.org
>> 主题: Re: [Netmod-ver-dt] Balazs semver slides
>>
>> Thanks.
>>
>> So, I think that the combined set of slides is attached.  Joe, Balazs, 
>> can you please check that I have incorporated your slides OK.
>>
>> Thanks,
>> Rob
>>
>>
>>> -----Original Message-----
>>> From: Netmod-ver-dt <netmod-ver-dt-bounces@ietf.org> On Behalf Of 
>>> Balázs Lengyel
>>> Sent: 22 March 2019 11:27
>>> To: Qin Wu <bill.wu@huawei.com>; Joe Clarke (jclarke) 
>>> <jclarke@cisco.com>; Rob Wilton (rwilton) <rwilton@cisco.com>; 
>>> netmod-ver-dt@ietf.org
>>> Subject: [Netmod-ver-dt] Balazs semver slides
>>>
>>> Hello,
>>>
>>> Here is an updated version of my slides about the module semver.
>>> Please include them.
>>>
>>> regards Balazs
>>>
>>> --
>>> Balazs Lengyel                       Ericsson Hungary Ltd.
>>> Senior Specialist
>>> Mobile: +36-70-330-7909              email: Balazs.Lengyel@ericsson.com
> 
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