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Re: Yang update from IESG ?

Michael Richardson <mcr+ietf@sandelman.ca> Tue, 19 November 2019 08:50 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Ladislav Lhotka <lhotka@nic.cz>
cc: "iesg@ietf.org" <iesg@ietf.org>, IETF Rinse Repeat <ietf@ietf.org>
Subject: Re: Yang update from IESG ?
In-reply-to: <3da578887bfd0db091afc71fbe75c7abc66f157f.camel@nic.cz>
References: <alpine.LRH.2.21.1911131435240.22669@bofh.nohats.ca> <359EC4B99E040048A7131E0F4E113AFC01E70B0061@marchand> <alpine.LRH.2.21.1911180102380.9256@bofh.nohats.ca> <10541.1574083581@dooku.sandelman.ca> <e745d480c113b09eb4f6761cf48ef1e997fc3e6c.camel@nic.cz> <CADyWQ+Eh3ULpfRp-Bg6R9V6veWS3d0Ry_zEgP7FuL2L6djhDjA@mail.gmail.com> <7631.1574141192@dooku.sandelman.ca> <3da578887bfd0db091afc71fbe75c7abc66f157f.camel@nic.cz>
Comments: In-reply-to Ladislav Lhotka <lhotka@nic.cz> message dated "Tue, 19 Nov 2019 15:31:39 +0800."
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Date: Tue, 19 Nov 2019 16:50:35 +0800
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Ladislav Lhotka <lhotka@nic.cz> wrote:
    > On Tue, 2019-11-19 at 13:26 +0800, Michael Richardson wrote:
    >> Tim Wicinski <tjw.ietf@gmail.com> wrote: >> IANA has been doing it for
    >> more than five years for a couple of YANG >> modules (six by now), and
    >> I am not aware of any troubles so far.
    >> 
    >> > But that's work put onto the IANA pile, and some I* organization may
    >> > want to understand the commitment.
    >> 
    >> And, I don't understand how the products get updated.  Are they going
    >> to pull YANG modules from IANA?  How often: hourly? daily?  yearly?

    > Products get updated ad hoc, as soon as their implementors feel the
    > need. This usually has to be accompanied with changes in the underlying
    > system - actually implementing support for new registry entries etc.

So if software (including management software) needs explicit support for new
IANA entries (in for instance, lists of ciphers), then why is it better for
the (human) programmer to download a new YANG module than to just read the IANA web
pages (or .XML equivalent)?

(It's not like the YANG description will have executable code for SHA4 or something)

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