Re: [Netconf] Editorial change-2 for draft-ietf-netconf-nmda-netconf
Rohit R Ranade <rohitrranade@huawei.com> Tue, 19 June 2018 05:25 UTC
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From: Rohit R Ranade <rohitrranade@huawei.com>
To: Kent Watsen <kwatsen@juniper.net>, Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>
CC: Mahesh Jethanandani <mjethanandani@gmail.com>, Netconf <netconf@ietf.org>, "draft-ietf-netconf-nmda-netconf@ietf.org" <draft-ietf-netconf-nmda-netconf@ietf.org>
Thread-Topic: [Netconf] Editorial change-2 for draft-ietf-netconf-nmda-netconf
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Date: Tue, 19 Jun 2018 05:25:37 +0000
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Subject: Re: [Netconf] Editorial change-2 for draft-ietf-netconf-nmda-netconf
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I agree with Juergen's comments. Only exception is that "intended" for " negated-origin-filter" will be qualified by the ietf-origin namespace. Please find the updated example. <rpc message-id="101" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0"> <get-data xmlns="urn:ietf:params:xml:ns:yang:ietf-netconf-nmda" xmlns:ds="urn:ietf:params:xml:ns:yang:ietf-datastores" xmlns:or="urn:ietf:params:xml:ns:yang:ietf-origin"> <datastore>ds:running</datastore> <subtree-filter> <bgp xmlns="http://example.com/ns/example"/> </subtree-filter> <negated-origin-filter>or:intended</negated-origin-filter> <with-origin/> </get-data> </rpc> <rpc-reply message-id="101" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0"> <data xmlns="urn:ietf:params:xml:ns:yang:ietf-netconf-nmda"> <bgp xmlns="http://example.com/ns/example" xmlns:or="urn:ietf:params:xml:ns:yang:ietf-origin" or:origin="or:intended"> <peer> <name>2001:db8::2:3</name> <local-as or:origin="or:default">64501</local-as> <peer-as or:origin="or:default">64502</peer-as> <local-port or:origin="or:system">60794</local-port> <remote-port or:origin="or:default">179</remote-port> <state>established</state> </peer> </bgp> </data> </rpc-reply> With Regards, Rohit R Ranade -----Original Message----- From: Kent Watsen [mailto:kwatsen@juniper.net] Sent: 19 June 2018 03:43 To: Juergen Schoenwaelder <j.schoenwaelder@jacobs-university.de>; Rohit R Ranade <rohitrranade@huawei.com> Cc: Mahesh Jethanandani <mjethanandani@gmail.com>; Netconf <netconf@ietf.org>; draft-ietf-netconf-nmda-netconf@ietf.org Subject: Re: [Netconf] Editorial change-2 for draft-ietf-netconf-nmda-netconf Let's conclude this thread and push an update (or updatres) to GitHub, so the update doesn't get lost as we head into the IESG LC. Two items: - "origin-filter" parameter - <get-data> usage example Kent and Mahesh ===== original message ===== Yes, for bgp there is no namespace defined in the example in RFC 8342. Using ietf-netconf-nmda clearly is misleading, a fictional example namespace will be better. I think the lexical representation of the value 'intended' requires to be namespace qualified, i.e. 'ds:intended'. The with-origin is defined to be of type empty - there is no 'true' value or something like that, its just <with-origin/>. /js On Wed, Jun 13, 2018 at 11:20:21AM +0000, Rohit R Ranade wrote: > Hi Juergen, > > Can you please identify the namespaces which are not OK so that we can fix them. > For want of a namespace for "bgp", I re-used the ietf-netconf-nmda namespace as it is just an example. We can use the "https://urldefense.proofpoint.com/v2/url?u=http-3A__example.com_ns_example&d=DwIDaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=9zkP0xnJUvZGJ9EPoOH7Yhqn2gsBYaGTvjISlaJdcZo&m=EhfhSrolqk6RiObTfkH3FMcR_uv8jGD-SWToO3mqxo8&s=tm-DrFSVrRkMzAH-DiWECrNBbWhSmbKnBauKdzx3J-k&e=" namespace instead. > > With Regards, > Rohit R Ranade > > -----Original Message----- > From: Netconf [mailto:netconf-bounces@ietf.org] On Behalf Of Juergen > Schoenwaelder > Sent: 13 June 2018 15:57 > To: Mahesh Jethanandani <mjethanandani@gmail.com> > Cc: Netconf <netconf@ietf.org>; > draft-ietf-netconf-nmda-netconf@ietf.org > Subject: Re: [Netconf] Editorial change-2 for > draft-ietf-netconf-nmda-netconf > > I am not sure an example is needed but if we include one, we need one which is correct. I think the namespaces are a bit messed up in Rohit's example. > > /js > > On Tue, Jun 12, 2018 at 08:36:47AM -0400, Mahesh Jethanandani wrote: > > Have the authors agreed on the final set of edits for this document? How about the example that Rohit mentioned in the original e-mail? > > > > > On Jun 4, 2018, at 7:01 AM, Robert Wilton <rwilton@cisco.com> wrote: > > > > > > > > > > > > On 04/06/2018 11:17, Martin Bjorklund wrote: > > >> Hi > > >> > > >> Two comments inline. > > >> > > >> Robert Wilton <rwilton@cisco.com> wrote: > > >>> Hi Rohit, authors, > > >>> > > >>> I think that these are valid clarifications. I've reworded them > > >>> slightly, and moved the ancestor node text to the YANG module > > >>> instead. I also think that the ancestor node text generically > > >>> covers the config filter clarification that you raised previously. > > >>> > > >>> Hence, I propose the following diff to the NETCONF NMDA draft: > > >>> > > >>> rwilton@rwilton-lnx:~/netconf-wg/netconf-nmda$ git diff --staged > > >>> diff --git a/ietf-netconf-nmda.yang b/ietf-netconf-nmda.yang > > >>> index f2929b9..72a674a 100644 > > >>> --- a/ietf-netconf-nmda.yang > > >>> +++ b/ietf-netconf-nmda.yang > > >>> @@ -105,6 +105,9 @@ module ietf-netconf-nmda { > > >>> by get-data must satisfy all filters, i.e., the filter > > >>> criteria are logically ANDed. > > >>> > > >>> + Any ancestor nodes (including list keys) of nodes matched by > > >>> + the filter are included in the response. > > >>> + > > >>> The 'with-origin' parameter is only valid for an operational > > >>> datastore. If 'with-origin' is used with an invalid datastore, > > >>> then the server MUST return an <rpc-error> element with > > >>> an @@ -193,7 +196,7 @@ module ietf-netconf-nmda { > > >>> description > > >>> "Filter based on the 'origin' annotation. A node matches > > >>> the filter if its 'origin' annotation is not derived > > >>> - from and not equal to all of the given filter values."; > > >>> + from and not equal to any of the given filter > > >>> + values."; > > >>> } > > >>> } > > >>> > > >>> diff --git a/nmda-netconf.org b/nmda-netconf.org index > > >>> e44e2c7..100e173 100644 > > >>> --- a/nmda-netconf.org > > >>> +++ b/nmda-netconf.org > > >>> @@ -129,14 +129,17 @@ The "config-filter" parameter can be used > > >>> to retrieve only "config true" or "config false" nodes. > > >>> > > >>> The "origin-filter" parameter, which can be present multiple > > >>> times, -selects nodes matching any of the given values. The > > >>> -"negated-origin-filter", which can be present multiple times, > > >>> selects -nodes that do not match all given values. The "origin-filter" > > >>> -and "negated-origin-filter" parameters cannot be used together. > > >>> +selects nodes with origins matching, or derived from, any of > > >>> +the > > >>> given > > >> I would prefer: > > >> > > >> selects nodes with origins equal to, or derived from, any of the > > >> given > > >> > > >> > > >> IMO, the term "match" in the original text means "equal to or > > >> derived-from", as explained in the data model. > > >> > > >> The term "match" is problematic unless it is explained, b/c some > > >> people will think it means "equal to". (Noone will think that > > >> "matches the regular expression" means "equal to the regular > > >> expression" though...) > > >> > > >> Conclusion: always avoid the term "match". > > > OK. > > > > > >> > > >>> +values. The "negated-origin-filter", which can be present > > >>> +multiple times, selects nodes with origins that do not match, > > >>> +and are not derived from, any of the given values. The > > >>> +"origin-filter" and "negated-origin-filter" parameters cannot be used together. > > >>> > > >>> The "max-depth" parameter can be used by the client to limit > > >>> the number of sub-tree levels that are returned in the reply. > > >>> > > >>> Note to the authors, for the negative-origin-filter, I've also > > >>> changed "all" to "any" (which changes the semantics, but I think > > >>> it was wrong before). > > >> Agree that "any" is correct. > > >> > > >> But does it really change the semantics? "all" sounds quite odd, > > >> but isn't the end result the same? > > > I think that it is confusing, and probably depends on how you read it. > > > > > > But, if you are OK with "any" then I think that reads better and is more intuitive. > > > > > > Thanks, > > > Rob > > > > > > > > > > > >> > > >> > > >> /martin > > >> > > >> > > >>> Similar updates will need to also be done to RESTCONF, but let's > > >>> agree the NETCONF text first. > > >>> > > >>> Thanks, > > >>> Rob > > >>> > > >>> > > >>> On 01/06/2018 10:10, Rohit R Ranade wrote: > > >>>> Hi All, > > >>>> > > >>>> Section 3.1.1 > > >>>> > > >>>> OLD: > > >>>> > > >>>> The "origin-filter" parameter, which can be present multiple > > >>>> times, > > >>>> > > >>>> selects nodes matching any of the given values. The > > >>>> > > >>>> "negated-origin-filter", which can be present multiple times, > > >>>> selects > > >>>> > > >>>> nodes that do not match all given values. > > >>>> > > >>>> NEW: > > >>>> > > >>>> The "origin-filter" parameter, which can be present multiple > > >>>> times, > > >>>> > > >>>> selects nodes which are derived from or matching any of the > > >>>> given values. The > > >>>> > > >>>> "negated-origin-filter", which can be present multiple times, > > >>>> selects > > >>>> > > >>>> nodes which are not derived from and do not match all given values. > > >>>> > > >>>> When a data-node matching the filter is selected, the > > >>>> configuration ancestors > > >>>> > > >>>> (if any) and list key leafs (if any), even if they do not match > > >>>> the filter, are also returned. > > >>>> > > >>>> Consider two origins such as “learned” and “derived-from-learned”. > > >>>> > > >>>> “derived-from-learned” is derived from learned origin. > > >>>> > > >>>> Using the origin filters it is not possible to get nodes > > >>>> belonging to “learned” > > >>>> > > >>>> only as the nodes of derived origin are automatically selected. > > >>>> > > >>>> Notes: > > >>>> > > >>>> The text in 3.1.1 did not include the “derived-from” logic for > > >>>> selection , while in the data-model definition it was present. > > >>>> > > >>>> We can also add clarification about the ancestor and key being > > >>>> output, even if though they do match the filter, since the leaf > > >>>> > > >>>> matches the filter. > > >>>> > > >>>> Example : We can use the RFC 8342 Appendix C.2 BGP Example > > >>>> > > >>>> <rpc message-id="101" > > >>>> > > >>>> xmlns="urn:ietf:params:xml:ns:netconf:base:1.0"> > > >>>> > > >>>> <get-data xmlns="urn:ietf:params:xml:ns:yang:ietf-netconf-nmda" > > >>>> > > >>>> xmlns:ds="urn:ietf:params:xml:ns:yang:ietf-datastores"> > > >>>> > > >>>> <datastore>ds:running</datastore> > > >>>> > > >>>> <subtree-filter> > > >>>> > > >>>> <bgp > > >>>> xmlns="urn:ietf:params:xml:ns:yang:ietf-netconf-nmda"/> > > >>>> > > >>>> </subtree-filter> > > >>>> > > >>>> <negated-origin-filter>intended</negated-origin-filter> > > >>>> > > >>>> <with-origin>true</with-origin> > > >>>> > > >>>> </get-data> > > >>>> > > >>>> </rpc> > > >>>> > > >>>> <rpc-reply message-id="101" > > >>>> > > >>>> xmlns="urn:ietf:params:xml:ns:netconf:base:1.0"> > > >>>> > > >>>> <data > > >>>> xmlns="urn:ietf:params:xml:ns:yang:ietf-netconf-nmda"> > > >>>> > > >>>> <bgp xmlns:or="urn:ietf:params:xml:ns:yang:ietf-origin" > > >>>> > > >>>> or:origin="or:intended"> > > >>>> > > >>>> <peer> > > >>>> > > >>>> <name>2001:db8::2:3</name> > > >>>> > > >>>> <local-as or:origin="or:default">64501</local-as> > > >>>> > > >>>> <peer-as or:origin="or:default">64502</peer-as> > > >>>> > > >>>> <local-port or:origin="or:system">60794</local-port> > > >>>> > > >>>> <remote-port or:origin="or:default">179</remote-port> > > >>>> > > >>>> <state>established</state> > > >>>> > > >>>> </peer> > > >>>> > > >>>> </bgp> > > >>>> > > >>>> </data> > > >>>> > > >>>> </rpc-reply> > > >>>> > > >>>> With Regards, > > >>>> > > >>>> Rohit R Ranade > > >>>> > > >>>> > > >>>> > > >>>> _______________________________________________ > > >>>> Netconf mailing list > > >>>> Netconf@ietf.org > > >>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.o > > >>>> rg_mailman_listinfo_netconf&d=DwIDaQ&c=HAkYuh63rsuhr6Scbfh0UjBX > > >>>> eMK-ndb3voDTXcWzoCI&r=9zkP0xnJUvZGJ9EPoOH7Yhqn2gsBYaGTvjISlaJdc > > >>>> Zo&m=EhfhSrolqk6RiObTfkH3FMcR_uv8jGD-SWToO3mqxo8&s=PFBleMrQyBW_ > > >>>> -8ddOVCtKfjteIxUz56Qf08hiQBzQ3I&e= > > > > > > _______________________________________________ > > > Netconf mailing list > > > Netconf@ietf.org > > > https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_ > > > mailman_listinfo_netconf&d=DwIDaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-nd > > > b3voDTXcWzoCI&r=9zkP0xnJUvZGJ9EPoOH7Yhqn2gsBYaGTvjISlaJdcZo&m=Ehfh > > > Srolqk6RiObTfkH3FMcR_uv8jGD-SWToO3mqxo8&s=PFBleMrQyBW_-8ddOVCtKfjt > > > eIxUz56Qf08hiQBzQ3I&e= > > > > Mahesh Jethanandani > > mjethanandani@gmail.com > > > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.jacobs-2Duniversity.de_&d=DwIDaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=9zkP0xnJUvZGJ9EPoOH7Yhqn2gsBYaGTvjISlaJdcZo&m=EhfhSrolqk6RiObTfkH3FMcR_uv8jGD-SWToO3mqxo8&s=VZh0-GgZ6GpKnZhdi09mezzyPA62WEHUd5wPYbUVCI4&e=> > > _______________________________________________ > Netconf mailing list > Netconf@ietf.org > https://urldefense.proofpoint.com/v2/url?u=https-3A__www.ietf.org_mail > man_listinfo_netconf&d=DwIDaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXc > WzoCI&r=9zkP0xnJUvZGJ9EPoOH7Yhqn2gsBYaGTvjISlaJdcZo&m=EhfhSrolqk6RiObT > fkH3FMcR_uv8jGD-SWToO3mqxo8&s=PFBleMrQyBW_-8ddOVCtKfjteIxUz56Qf08hiQBz > Q3I&e= -- Juergen Schoenwaelder Jacobs University Bremen gGmbH Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany Fax: +49 421 200 3103 <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.jacobs-2Duniversity.de_&d=DwIDaQ&c=HAkYuh63rsuhr6Scbfh0UjBXeMK-ndb3voDTXcWzoCI&r=9zkP0xnJUvZGJ9EPoOH7Yhqn2gsBYaGTvjISlaJdcZo&m=EhfhSrolqk6RiObTfkH3FMcR_uv8jGD-SWToO3mqxo8&s=VZh0-GgZ6GpKnZhdi09mezzyPA62WEHUd5wPYbUVCI4&e=>
- Re: [Netconf] Editorial change-2 for draft-ietf-n… Mahesh Jethanandani
- Re: [Netconf] Editorial change-2 for draft-ietf-n… Juergen Schoenwaelder
- Re: [Netconf] Editorial change-2 for draft-ietf-n… Rohit R Ranade
- Re: [Netconf] Editorial change-2 for draft-ietf-n… Rohit R Ranade
- Re: [Netconf] Editorial change-2 for draft-ietf-n… Juergen Schoenwaelder
- Re: [Netconf] Editorial change-2 for draft-ietf-n… Kent Watsen
- Re: [Netconf] Editorial change-2 for draft-ietf-n… Mahesh Jethanandani
- Re: [Netconf] Editorial change-2 for draft-ietf-n… Juergen Schoenwaelder
- [Netconf] Editorial change-2 for draft-ietf-netco… Rohit R Ranade
- Re: [Netconf] Editorial change-2 for draft-ietf-n… Robert Wilton
- Re: [Netconf] Editorial change-2 for draft-ietf-n… Rohit R Ranade
- Re: [Netconf] Editorial change-2 for draft-ietf-n… Martin Bjorklund
- Re: [Netconf] Editorial change-2 for draft-ietf-n… Robert Wilton
- Re: [Netconf] Editorial change-2 for draft-ietf-n… Rohit R Ranade
- Re: [Netconf] Editorial change-2 for draft-ietf-n… Mahesh Jethanandani
- Re: [Netconf] Editorial change-2 for draft-ietf-n… Martin Bjorklund