Re: [Netmod-ver-dt] [netmod] NETMOD 106 Schedule and Call for Presentations

[Lou Berger <[e-mail]>]

Thanks Rob, updated agenda will be posted shortly

On 11/16/2019 4:19 AM, Rob Wilton (rwilton) wrote:
> Hi Lou,
>
> I will post a draft on YANG schema comparison this evening/tomorrow morning.
>
> If time is available, please may I adjust our agenda to:
>
> DT Update overview & status update – Rob Wilton (10 mins)
> draft-ietf-netmod-yang-versioning-reqs-01
> draft-verdt-netmod-yang-solutions-02
>
> Updated YANG Module Revision Handling –Bo Wu (10 mins)
> draft-verdt-netmod-yang-module-versioning-01
>
> YANG Semantic Versioning – Joe Clarke (10 mins)
> draft-verdt-netmod-yang-semver-01
>
> YANG Packages – Rob Wilton (25 mins)
> draft-rwilton-netmod-yang-packages-02
>
> YANG Schema Version Selection – Joe Clarke (Reshad Rahman) (25 mins)
> draft-wilton-netmod-yang-ver-selection-01
>
> YANG Schema Comparison – Rob Wilton (15 mins)
> draft-verdt-netmod-yang-schema-comparison-00
>
> Next steps? – Rob Wilton
>
> Thanks,
> Rob
>
>
> -----Original Message-----
> From: Netmod-ver-dt <[e-mail]> On Behalf Of Lou Berger
> Sent: 12 November 2019 02:33
> To: Rob Wilton (rwilton) <[e-mail]>; NetMod WG Chairs <[e-mail]>
> Cc: [e-mail]
> Subject: Re: [Netmod-ver-dt] [netmod] NETMOD 106 Schedule and Call for Presentations
>
> we have plenty of time, so this won't be a problem!
>
> On 11/11/2019 1:16 PM, Rob Wilton (rwilton) wrote:
>> Okay ... I'll see if I can put together a rough draft before next week.  If I manage to do this, then I might request a last minute schedule change to add 15 mins to verbally outline the solution.
>>
>> Thanks,
>> Rob
>>
>>
>>> -----Original Message-----
>>> From: Netmod-ver-dt <[e-mail]> On Behalf Of Lou
>>> Berger
>>> Sent: 11 November 2019 16:33
>>> To: Rob Wilton (rwilton) <[e-mail]>; NetMod WG Chairs
>>> <netmod- [e-mail]>
>>> Cc: [e-mail]
>>> Subject: Re: [Netmod-ver-dt] [netmod] NETMOD 106 Schedule and Call
>>> for Presentations
>>>
>>> Hi,
>>>
>>> We discussed this today.  Our preference would be for a thin/minimal
>>> draft covering the tooling and the output showing the intended
>>> direction for the work and for this to be included in the set
>>> adoption call.  It really doesn't have to be complete /much -- just
>>> enough to show intended direction.  Hopefully this is minimal enough
>>> effort for it to be submitted quite rapidly.
>>>
>>> Does that work for you?
>>>
>>> Thanks,
>>>
>>> Lou (Joel and Kent)
>>>
>>> On 11/5/2019 11:43 AM, Rob Wilton (rwilton) wrote:
>>>> Ack.  Thanks.
>>>>
>>>>
>>>>
>>>>> -----Original Message-----
>>>>> From: Lou Berger <[e-mail]>
>>>>> Sent: 05 November 2019 16:35
>>>>> To: Rob Wilton (rwilton) <[e-mail]>; NetMod WG Chairs
>>>>> <netmod- [e-mail]>
>>>>> Cc: [e-mail]
>>>>> Subject: Re: [netmod] NETMOD 106 Schedule and Call for
>>>>> Presentations
>>>>>
>>>>> I'll discuss with my co-chairs. I think this is also fair to raise
>>>>> at the meeting...
>>>>>
>>>>> On 11/5/2019 10:49 AM, Rob Wilton (rwilton) wrote:
>>>>>> We might like to ask you (the chairs) to reconsider the discussion
>>>>>> as to
>>>>> whether we can do a call for adoption on some of these drafts?
>>>>>> I know that the chairs have previously wanted to adopt the drafts
>>>>>> as an
>>>>> entire set to cover the whole solution.  And we are obviously still
>>>>> missing the draft of schema comparison tooling.  Arguably this
>>>>> draft isn't required for the solution, only strongly desirable to
>>>>> have because it is only intending to address requirement 2.2 (which
>>>>> has always been a SHOULD rather than a MUST):
>>>>>>            2.2  A mechanism SHOULD be defined to determine whether data
>>>>>>                 nodes between two arbitrary YANG module revisions
>>>>>> have
>>> (i)
>>>>>>                 not changed, (ii) changed in a backwards-compatible way,
>>>>>>                 (iii) changed in a non-backwards-compatible way.
>>>>>>
>>>>>> Note, there is no intention of dropping this last draft, and we
>>>>>> already
>>>>> have some pyang tooling/scripts that perform this task, but I think
>>>>> that it could also realistically follow on a bit after the other
>>> drafts.
>>>>>> All the "MUST" requirements are intended to be addressed by the
>>>>>> set of
>>>>> drafts below.
>>>>>> Personally, I think that these 4 drafts are all in good enough
>>>>>> shape
>>>>> that they could be considered for an WG adoption call:
>>>>>>       draft-verdt-netmod-yang-solutions-02
>>>>>>       draft-verdt-netmod-yang-module-versioning-01
>>>>>>       draft-verdt-netmod-yang-semver-01
>>>>>>       draft-rwilton-netmod-yang-packages-02
>>>>>>
>>>>>> I think that this draft is also well on its way to be ready for WG
>>>>> adoption:
>>>>>>       draft-wilton-netmod-yang-ver-selection-01
>>>>>>
>>>>>>       - IMO, the key bit that we still need to figure out for this
>>>>>> draft is
>>>>> exactly how packages are sensibly put together (e.g. for optional
>>>>> feature sets and bugfixes) in a way that doesn't defeat one of the
>>>>> main benefits of packages for clients (i.e. being able to know the
>>>>> exact device schema offline without having to download/check the
>>>>> entirely of YANG library on connection).  But equally I see no
>>>>> reason why that couldn't be figured out after the document as been
>>>>> adopted as
>>> a WG item.
>>>>>> Finally, doing an adoption call on these drafts may act as a
>>>>>> forcing
>>>>> function to get the WG to discuss/agree whether this solution is on
>>>>> the right path.
>>>>>> Of course, it is your decision.
>>>>>>
>>>>>> Thanks,
>>>>>> Rob
>>>>>>
>>>>>>
>>>>>>
>>>>>>> -----Original Message-----
>>>>>>> From: Lou Berger <[e-mail]>
>>>>>>> Sent: 05 November 2019 15:11
>>>>>>> To: Rob Wilton (rwilton) <[e-mail]>; NetMod WG Chairs
>>>>>>> <netmod- [e-mail]>
>>>>>>> Cc: [e-mail]
>>>>>>> Subject: Re: [netmod] NETMOD 106 Schedule and Call for
>>>>>>> Presentations
>>>>>>>
>>>>>>> You're the headliner -- so should have the time ;-)
>>>>>>>
>>>>>>> On 11/4/2019 4:49 AM, Rob Wilton (rwilton) wrote:
>>>>>>>> 1) DT Update overview & status update (10 mins, Rob?):
>>>>>>>> YANG Module Versioning Requirements
>>>>>>>> draft-ietf-netmod-yang-versioning-reqs-01
>>>>>>>>
>>>>>>>> YANG Versioning Solution Overview
>>>>>>>> draft-verdt-netmod-yang-solutions-02
>>>>>>>>
>>>>>>>> 2) Updated YANG Module Revision Handling (10 mins, tbd?):
>>>>>>>> draft-verdt-netmod-yang-module-versioning-01
>>>>>>>>
>>>>>>>> 3) YANG Semantic Versioning (10 mins, Joe?)
>>>>>>>> draft-verdt-netmod-yang-semver-01
>>>>>>>>
>>>>>>>> 4) YANG Packages (25 mins, Rob)
>>>>>>>> draft-rwilton-netmod-yang-packages-02
>>>>>>>>
>>>>>>>> 5) YANG Schema Version Selection (25 mins, tbd?)
>>>>>>>> draft-wilton-netmod-yang-ver-selection-01
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