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Re: [netmod] WG Last Call: draft-ietf-netmod-revised-datastores-04

Ladislav Lhotka <lhotka@nic.cz> Thu, 14 September 2017 16:15 UTC

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From: Ladislav Lhotka <lhotka@nic.cz>
To: Phil Shafer <phil@juniper.net>, Lou Berger <lberger@labn.net>
Cc: "netmod-chairs@ietf.org" <netmod-chairs@ietf.org>, draft-ietf-netmod-revised-datastores@ietf.org, netmod WG <netmod@ietf.org>
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Date: Thu, 14 Sep 2017 18:15:40 +0200
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Subject: Re: [netmod] WG Last Call: draft-ietf-netmod-revised-datastores-04
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Phil Shafer <phil@juniper.net> writes:

> +
> +The implication of the existence of templating mechanisms is that
> +<running> is now explicitly allowed to be invalid, since the
> +templating mechanism may be supplying additional data that satisfies
> +constraints that may be satisfied by <running> itself.
> +

Section 8.1 in RFC 7950 identifies some constraints that "are true in
all data trees". If they are violated in <running>, it means that the
content is not a data tree as defined by YANG.

The same section also says that <running> MUST always be valid. This is
probably intended to be removed, but constraints that are supposed to
hold in all data trees should IMO stay no matter what.

Lada

-- 
Ladislav Lhotka
Head, CZ.NIC Labs
PGP Key ID: 0xB8F92B08A9F76C67

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