Re: [netmod] I-D Action: draft-ietf-netmod-schema-mount-03.txt

On 11/1/16, 7:38 AM, "Ladislav Lhotka" <lhotka@nic.cz> wrote:

>
>> On 1 Nov 2016, at 12:21, Acee Lindem (acee) <acee@cisco.com> wrote:
>> 
>> 
>> 
>> On 11/1/16, 3:51 AM, "Martin Bjorklund" <mbj@tail-f.com> wrote:
>> 
>>> Hi,
>>> 
>>> "Acee Lindem (acee)" <acee@cisco.com> wrote:
>>>> Hi Lada, Martin,
>>>> 
>>>> With respect to the restriction in section 3.1, I think it would be
>>>> better
>>>> to support paths that relative either to the mount point or to the
>>>> absolute device root If not, how will we support device list interface
>>>> references? 
>>> 
>>> Can you elaborate on the use case a bit?
>> 
>> Let’s say you want to schema mount a model, e.g., ietf-routing, and it
>>has
>> references to interfaces using the interface-ref from ietf-interfaces
>>(RFC
>> 7223). Is this possible?
>
>It is possible if ietf-interface and ietf-routing are part of the same
>(mounted) schema. If you want to have, e.g., a global list of interfaces
>and refer to it from a mounted schema (routing instance), then it is not
>supported by schema mount - and it could hardly be because modules such
>as ietf-routing do not have the information where they can possibly be
>mounted.
>
>It is probably necessary, as in the logical-devices example, to include
>ietf-interfaces in the mounted schema, and handle the relationship
>between the global and mounted interface list outside the data model.
>
>Ideas how to handle this formally would certainly be appreciated.

I think we need to be able to handle either an absolute path or one
relative to the mount point. I can see how this is going to be difficult
since the models don’t support this today.

Thanks,
Acee 

>
>Lada 
>
>> 
>> Thanks,
>> Acee 
>> 
>> 
>> 
>> 
>>> 
>>> 
>>> /martin
>>> 
>>> 
>>> 
>>>> 
>>>> Thanks,
>>>> Acee 
>>>> 
>>>> On 10/31/16, 10:13 AM, "netmod on behalf of internet-drafts@ietf.org"
>>>> <netmod-bounces@ietf.org on behalf of internet-drafts@ietf.org> wrote:
>>>> 
>>>>> 
>>>>> A New Internet-Draft is available from the on-line Internet-Drafts
>>>>> directories.
>>>>> This draft is a work item of the NETCONF Data Modeling Language of
>>>>>the
>>>>> IETF.
>>>>> 
>>>>>       Title           : YANG Schema Mount
>>>>>       Authors         : Martin Bjorklund
>>>>>                         Ladislav Lhotka
>>>>> 	Filename        : draft-ietf-netmod-schema-mount-03.txt
>>>>> 	Pages           : 24
>>>>> 	Date            : 2016-10-31
>>>>> 
>>>>> Abstract:
>>>>>  This document defines a mechanism to combine YANG modules into the
>>>>>  schema defined in other YANG modules.
>>>>> 
>>>>> 
>>>>> The IETF datatracker status page for this draft is:
>>>>> https://datatracker.ietf.org/doc/draft-ietf-netmod-schema-mount/
>>>>> 
>>>>> There's also a htmlized version available at:
>>>>> https://tools.ietf.org/html/draft-ietf-netmod-schema-mount-03
>>>>> 
>>>>> A diff from the previous version is available at:
>>>>> https://www.ietf.org/rfcdiff?url2=draft-ietf-netmod-schema-mount-03
>>>>> 
>>>>> 
>>>>> Please note that it may take a couple of minutes from the time of
>>>>> submission
>>>>> until the htmlized version and diff are available at tools.ietf.org.
>>>>> 
>>>>> Internet-Drafts are also available by anonymous FTP at:
>>>>> ftp://ftp.ietf.org/internet-drafts/
>>>>> 
>>>>> _______________________________________________
>>>>> netmod mailing list
>>>>> netmod@ietf.org
>>>>> https://www.ietf.org/mailman/listinfo/netmod
>>>> 
>>>> _______________________________________________
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>>>> 
>> 
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>
>--
>Ladislav Lhotka, CZ.NIC Labs
>PGP Key ID: E74E8C0C
>
>
>
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