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Re: [netmod] Comments on NMDA-04

Robert Wilton <rwilton@cisco.com> Wed, 20 September 2017 15:57 UTC

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To: Balazs Lengyel <balazs.lengyel@ericsson.com>, netmod@ietf.org
References: <9ec6b2e4-36a7-87e6-59fa-828855235835@ericsson.com> <20170914.163239.143365521945928900.mbj@tail-f.com> <0605fab0-f879-e02d-4858-52a247571cb8@ericsson.com>
From: Robert Wilton <rwilton@cisco.com>
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Date: Wed, 20 Sep 2017 16:57:54 +0100
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Archived-At: <https://mailarchive.ietf.org/arch/msg/netmod/LSEkdXbL_8s5N_VuTzCDHcdRpUU>
Subject: Re: [netmod] Comments on NMDA-04
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Hi Balazs,


On 14/09/2017 16:44, Balazs Lengyel wrote:
> See below !
>
>
> On 2017-09-14 16:32, Martin Bjorklund wrote:
>
>>> CH 4.4.)  "Validation is performed on the contents of <intended>."
>>> This to me means that default data is not considered at validation
>> Note that RFC 7950, section 6.4.1, says:
>>
>>     In the accessible tree, all leafs and leaf-lists with default values
>>     in use exist (see Sections 7.6.1 and 7.7.2).
>>
>> So defaults are taken into account when intended is validated.
> BALAZS: Yes the two seem to contradict each other. This can be 
> understood in your way, however the current text is not clear enough. 
> I would add:
> Validation is performed on the contents of <intended> (EXTENDED WITH 
> DEFAULT CONFIGURATION).

I've slightly reworked the text on intended.  It was sent to the alias 
yesterday on the thread <running> vs <intended>. The new text on 
intended states "<intended> must always be a 'valid configuration data 
tree' as defined in Section 8.1 of [RFC7950]. "

This implicitly means that it must consider default values, just like 
validation in any other configuration datastore is required to do.

Please can you check the proposed text on intended to see if it 
sufficient to resolve this issue. 
https://github.com/netmod-wg/datastore-dt/issues/9

Thanks,
Rob

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