Re: [I2nsf] [Last-Call] Yangdoctors last call review of draft-ietf-i2nsf-nsf-monitoring-data-model-06

"Mr. Jaehoon Paul Jeong" <jaehoon.paul@gmail.com> Wed, 15 September 2021 16:44 UTC

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From: "Mr. Jaehoon Paul Jeong" <jaehoon.paul@gmail.com>
Date: Thu, 16 Sep 2021 01:43:20 +0900
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To: t petch <ietfa@btconnect.com>
Cc: "i2nsf@ietf.org" <i2nsf@ietf.org>, Patrick Lingga <patricklink888@gmail.com>, "Mr. Jaehoon Paul Jeong" <jaehoon.paul@gmail.com>
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Subject: Re: [I2nsf] [Last-Call] Yangdoctors last call review of draft-ietf-i2nsf-nsf-monitoring-data-model-06
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Hi Tom,
Here is the revision to reflect your comments on the I2NSF Monitoring
Interface Data Model:
https://datatracker.ietf.org/doc/html/draft-ietf-i2nsf-nsf-monitoring-data-model-10

I attach the revision letter.

Thanks.

Best Regards,
Paul and Patrick

On Thu, Sep 2, 2021 at 8:41 PM t petch <ietfa@btconnect.com> wrote:

> ----- Original Message -----
> From: "Mr. Jaehoon Paul Jeong" <jaehoon.paul@gmail.com>
> Sent: Tuesday, August 24, 2021 3:27 PM
>
> > Hi Tom,
> > Patrick and I have addressed your comments below with -09 version:
> >
> > I attach the revision letter to explain how to address them.
> >
> > Please let us know where this revision satisfies you or not.
>
> Paul
>
> Getting there.
>
> You have added some references to the YANG module - good - but you must
> also add them to the I-D References
>
> I see
> RFC854, RFC913, RFC1081, RFC4340, RFC4960, RFC5321, RFC7230, RFC7231.
> RFC1081 is obsoleted by RFC1225 so that would likely be a better
> reference.  In other I-D you have cited RFC793bis - I do not know if
> that is appropriate here.
>
> You import
>   ietf-i2nsf-policy-rule-for-nsf {
> with   prefix nsfi but in nsf-facing the prefix is nsfintf
> Needs to be consistent
>
> In identity, derived from application-protocol (a base which I like), I
> note that 'imap' is present elsewhere but not here.  I do not know if
> that is relevant to this module or not.
>
> In the data module:
>
> /http:/https:/
>
>         leaf src-zone {
> I was thrown by this thinking of IPv6 address zones but the description
> makes in clear that this is nothing of the sort.  Probably not worth
> changing but if you do I would suggest src-location as is used in the
> description clause.
>
>               leaf-list user-agent {
> I think that the description violates (!) the limit on line length for
> an RFC
>
>       container i2nsf-counters {
>        description
>           "This is probably better covered by an import as this
> This seems unfinished
>
>             leaf alarm-type {
> elsewhere you have switched to lower case (which I think right) but this
> needs bringing in line (I do like consistency).
>
> 10.  I2NSF Event Stream
> you are using the NETMOD convention for line breaks; would benefit from
> a reference
> "line breaks as per [RFC8792]
>
> The I-D is big and I hope to find time this month to go through it again
> in more detail.  Meanwhile, on to capability.
>
> In passing, I get a bounce for skku-iotlab-members every time.
>
> Tom Petch
>
>
>
>
>
>
>
> >
> > Thanks.
> >
> > Best Regards,
> > Paul
> >
> > On Wed, May 5, 2021 at 7:44 PM t petch
> <ietfa@btconnect.com<mailto:ietfa@btconnect.com>> wrote:
> > Paul
> >
> > Top posting since this is a more general response (and leaving in YANG
> > doctors since I note that five different YANG doctors reviewed the
> five
> > I-D and so might not see the issue that concerns me).
> >
> > As you have probably realised, I have now looked at the five YANG I-D
> of
> > I2NSF and am concerned at the disparate approaches to the same topics
> > that I think will confuse a user and, likely, induce mistakes.  I
> > provided some detailed comments  in response to WG LC on
> > capability-data-model but really it cuts across all five.  It may be
> > that the inconsistenicies that I see can be justified but if so, then
> I
> > think that the I-D may need some text to say so, to relate one I-D to
> > another.
> >
> > The treatment of YANG identity for ICMP is to me a clear example.  I
> > think that nsf-monitoring is good here, deriving icmpv4 and icmpv6
> from
> > icmp (and ipv4 and ipv6)
> > while capability is not good having icmp (sic) and icmpv6 as two
> > unrelated identity, no common base.
> >
> > But at a higher level it may be that capability has a better treatment
> > where it has
> >    base event; [from which is derived]
> >      identity system-event-capability {
> >      identity system-alarm-capability {
> >
> >    base system-event-capability;
> >      identity access-violation {
> >      identity configuration-change {
> >
> >    base system-alarm-capability;
> >      identity memory-alarm {
> >      identity cpu-alarm {
> >      identity disk-alarm {
> >      identity hardware-alarm {
> >      identity interface-alarm {
> >
> > while nsf-monitoring has
> >
> >    base alarm-type;
> >      identity mem-usage-alarm {
> >      identity cpu-usage-alarm {
> >      identity disk-usage-alarm {
> >      identity hw-failure-alarm {
> >      identity ifnet-state-alarm {
> >
> >    base event-type;
> >      identity access-denied {
> >      identity config-change {
> >
> > Different structure, different terminology, and these examples are
> quite
> > close compared to some others.  I would expect at least the root of
> the
> > identifier to be the same if not the whole identifier.
> >
> > What is missing, for me, is an underlying, high-level, information
> model
> > to provide a consistent structure and a consistent terminology for the
> > I2NSF YANG I-D.
> >
> > Tom Petch
> >
> >
> > ----- Original Message -----
> > From: "Mr. Jaehoon Paul Jeong"
> <jaehoon.paul@gmail.com<mailto:jaehoon.paul@gmail.com>>
> > To: <tom petch>
> > Cc: <Last Call>; <i2nsf@ietf.org<mailto:i2nsf@ietf.org>>; <Andy
> Bierman>; <Yoav Nir>;
> >
> <draft-ietf-i2nsf-nsf-monitoring-data-model.all@ietf.org<mailto:draft-ie
> tf-i2nsf-nsf-monitoring-data-model.all@ietf.org>>; <Linda
> > Dunbar>; <Patrick Lingga>; <YANG Doctors>; <skku-iotlab-members>; <Mr.
> > Jaehoon Paul Jeong>
> > Sent: Thursday, April 29, 2021 3:49 PM
> > Subject: Re: [I2nsf] [Last-Call] Yangdoctors last call review of
> > draft-ietf-i2nsf-nsf-monitoring-data-model-06
> >
> >
> > > > Hi Tom,
> > > > Patrick and I have addressed all your comments below with the
> > following revision.
> > > >
> >
> https://datatracker.ietf.org/doc/html/draft-ietf-i2nsf-nsf-monitoring-da
> >
> ta-model-08<https://datatracker.ietf.org/doc/html/draft-ietf-i2nsf-nsf-m
> onitoring-data-model-08
> <https://datatracker.ietf.org/doc/html/draft-ietf-i2nsf-nsf-monitoring-data-model-08>
> >
> > > >
> > > > I attach our revision letter.
> > > >
> > > > Thanks.
> > > >
> > > > Best Regards,
> > > > Paul
> > > >
> > > > On Mon, Apr 12, 2021 at 6:59 PM tom petch
> >
> <daedulus@btconnect.com<mailto:daedulus@btconnect.com><mailto:daedulus@b
> tconnect.com<mailto:daedulus@btconnect.com>>> wrote:
> > > > Paul
> > > >
> > > > Some admin comments on -07; I think that you need to:
> > > >
> > > > - change the title in YANG revision reference
> > > >
> > > > - add to the I-D references
> > > > RFC959
> > > > RFC8632
> > > >
> > > > - shorten lines. There is a limit to line length in RFC as per the
> > Style
> > > > Guide.  This is exceeded in the YANG where some of the path
> statements
> > > > take it over 80 while some of the examples are over 100.
> > > >
> > > > - add a reference for the import of
> > > > ietf-i2nsf-policy-rule-for-nsf
> > > >
> > > > HTH
> > > >
> > > > Tom Petcb
> > > >
> > > > On 01/04/2021 03:09, Mr. Jaehoon Paul Jeong wrote:
> > >>> > > > Hi Andy, Linda, and Yoav,
> > >>> > > > Patrick and I have addressed all the comments from Andy.
> > >>> > > > Here is the revised draft -07:
> > > > ATT00001.txt 130 bytes
> >
> > Attachments:
> >
> Revision-Letter-for-NSF-Monitoring-YANG-Data-Model-version-09-20210824.d
> ocx 103 kB
> >
> Revision-Letter-for-NSF-Monitoring-YANG-Data-Model-version-09-20210824.p
> df 420 kB
>