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Re: [CCAMP] New draft: YANG model for finite state machine, recovery use case

nicola sambo <nicosambo@gmail.com> Tue, 04 July 2017 10:52 UTC

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From: nicola sambo <nicosambo@gmail.com>
Date: Tue, 04 Jul 2017 12:52:44 +0200
Message-ID: <CADqwGbf4pYPFY7DySUHkkyb+9aJ6b-3J7dtUTABSprcecae0qg@mail.gmail.com>
To: Robert Wilton <rwilton@cisco.com>
Cc: ccamp@ietf.org, n.sambo@sssup.it
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Subject: Re: [CCAMP] New draft: YANG model for finite state machine, recovery use case
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Hi Robert,

thanks for your reply and feedback. The draft actually defines what you
stated, event and FSM by augmenting events. So, the word "Extending" in the
document can be misleading in this sense. We will address that.

Thanks. Best,
Nicola



2017-07-03 21:30 GMT+02:00 Robert Wilton <rwilton@cisco.com>:

> Hi Nicola,
>
> I've only given your draft a quick scan, but I think that some of your
> terminology appears to be slightly confusing to those familiar with YANG.
>
> The draft states that it is 'extending YANG' but I don't think that it is.
>
> YANG itself is just a data modelling language.  The YANG language is
> extensible by using the "extension" keyword, but from a quick look through
> your draft I don't think that you are making use of that.
>
> Instead, and I apologise if I am misrepresenting your work, I think that
> the draft defines two YANG data models:
>
> (1) the first YANG data model describes a fairly generic event mechanism.
> (2) the second YANG data model, augmenting the first, describes fairly
> generic FSMs.
>
> I'm not sure I can really judge whether these are good things to model in
> YANG, but if this work does progress, or if you present it at Prague, then
> you may want to consider tweaking the description and terminology a bit.
>
> Hopefully the feedback is of use.
>
> Kind regards,
> Rob
>
> On 03/07/2017 14:29, nicola sambo wrote:
>
> Dear all,
>
> we submitted a draft which extends YANG to model events (e.g., physical
> layer degradations), actions (e.g., FEC adaptation), and finite state
> machine. The models and a use case are described.
>
> Please, kindly provide any comments and suggestions to help us improving
> the work.
>
> Here the link: https://datatracker.ietf.org/doc/draft-sambo-opsawg-ccamp-
> supa-ext-yang-fsm/
>
> Please also find few slides enclosed.
>
> Many thanks,
> Nicola
>
>
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