Re: [netmod] draft-ietf-netmod-rfc6991-bis: Comment on node-instance-identifier
Schönwälder, Jürgen <J.Schoenwaelder@jacobs-university.de> Mon, 04 November 2019 13:46 UTC
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From: "Schönwälder, Jürgen" <J.Schoenwaelder@jacobs-university.de>
To: Per Hedeland <per@hedeland.org>
CC: Robert Wilton <rwilton@cisco.com>, "netmod@ietf.org" <netmod@ietf.org>, "draft-ietf-netmod-rfc6991-bis@ietf.org" <draft-ietf-netmod-rfc6991-bis@ietf.org>
Thread-Topic: [netmod] draft-ietf-netmod-rfc6991-bis: Comment on node-instance-identifier
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Date: Mon, 04 Nov 2019 13:46:45 +0000
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References: <9878ec54-4b3b-e83c-a60c-973478de11f4@cisco.com> <20191104103242.prnszis5olcfzcyl@anna.jacobs.jacobs-university.de> <14e342e5-cd63-898b-4b77-0537b4d3c3b4@hedeland.org>
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Subject: Re: [netmod] draft-ietf-netmod-rfc6991-bis: Comment on node-instance-identifier
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Hi, what about this wording : [...] A node-instance-identifier value is an unrestricted YANG instance-identifier expression or the special value '/', which refers to the entire accessible tree. [...] /js On Mon, Nov 04, 2019 at 01:19:47PM +0100, Per Hedeland wrote: > On 2019-11-04 11:32, Schönwälder, Jürgen wrote: > > Hi, > > > > this may be resolved by adding > > > > The special value '/' refers to the entire accessible tree. > > > > to the description statement. Does this work for you? > > Hm, it seems to me that this would conflict with this part of the > description: > > A node-instance-identifier value is an > unrestricted YANG instance-identifier expression. > > All the same rules as an instance-identifier apply, > except that predicates for keys are optional. If a key > predicate is missing, then the node-instance-identifier > represents all possible server instances for that key. > > - since '/' is not a valid value for a YANG instance-identifier. > I.e. if '/' should be included in the typedef (seems reasonable to > me), the text for it probably needs to be "incorporated" in the text > above. > > --Per > > > /js > > > > On Mon, Sep 30, 2019 at 03:17:25PM +0100, Robert Wilton wrote: > > > Hi Juergen, > > > > > > Should the "node-instance-identify" type specify how the path "/" is > > > treated? > > > > > > I noted that in rfc8341, the behavior for "/" is described in the leaf > > > "path" description rather than in the type definition, but I was thinking > > > that it might be better if this behaviour was specified as part of the > > > typedef. > > > > > > Snippet from RFC8341: > > > > > > case data-node { > > > leaf path { > > > type node-instance-identifier; > > > mandatory true; > > > description > > > "Data node instance-identifier associated with the > > > data node, action, or notification controlled by > > > this rule. > > > > > > Configuration data or state data > > > instance-identifiers start with a top-level > > > data node. A complete instance-identifier is > > > required for this type of path value. > > > > > > The special value '/' refers to all possible > > > datastore contents."; > > > } > > > } > > > > > > Thanks, > > > Rob > > > > > > -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://www.jacobs-university.de/>
- [netmod] draft-ietf-netmod-rfc6991-bis: Comment o… Robert Wilton
- Re: [netmod] draft-ietf-netmod-rfc6991-bis: Comme… Schönwälder
- Re: [netmod] draft-ietf-netmod-rfc6991-bis: Comme… Rob Wilton (rwilton)
- Re: [netmod] draft-ietf-netmod-rfc6991-bis: Comme… Per Hedeland
- Re: [netmod] draft-ietf-netmod-rfc6991-bis: Comme… Schönwälder
- Re: [netmod] draft-ietf-netmod-rfc6991-bis: Comme… Per Hedeland