Re: [netmod] Tree diagrams

Hi Rob, Tom, all, 

The trees are different because we are not importing the acl module, but are reusing "packet-fields" from RFC8519 to define the classification rules. 

Please note that trees in vpn-common are printed with "--tree-print-groupings". 

I suspected what happened for L3NM is that we touched manually the tree (this was there since -04) because sometimes we need so despite we are using "--tree-line-length 69".

We will make this change during AUTH48:

OLD: 
   |  |     |  |     +--:(destination-port-range-or-operator)

NEW:
   |  |     |  |     |        +--:(destination-port-range-or-operator)

Thank you, Tom. We always need fresh eyes. Much appreciated. 

Cheers,
Med

> -----Message d'origine-----
> De : Rob Wilton (rwilton) <rwilton@cisco.com>
> Envoyé : vendredi 15 octobre 2021 12:22
> À : tom petch <ietfc@btconnect.com>; BOUCADAIR Mohamed INNOV/NET
> <mohamed.boucadair@orange.com>; draft-ietf-opsawg-l3sm-l3nm@ietf.org;
> draft-ietf-opsawg-vpn-common@ietf.org
> Cc : netmod@ietf.org
> Objet : RE: Tree diagrams
> 
> Hi Tom, Med, Authors
> 
> Tom, thanks for flagging these.
> 
> Med, authors, please can you check if the tree diagrams in draft-ietf-
> opsawg-vpn-common-12 or draft-ietf-opsawg-l3sm-l3nm-18 need to be updated.
> If they do, then given that these documents are in the RFC editor queue
> then we will need to coordinate any corrections with the RFC editor.
> 
> Regards,
> Rob
> 
> 
> > -----Original Message-----
> > From: netmod <netmod-bounces@ietf.org> On Behalf Of tom petch
> > Sent: 15 October 2021 11:03
> > To: netmod@ietf.org
> > Subject: [netmod] Tree diagrams
> >
> > I do not understand tree diagrams.  My expectation is that the same
> > YANG should produce the same tree diagram but apparently not.  I look
> > at
> > RFC8519 and see
> >
> >         |        |  |  +--:(tcp)
> >         |        |  |  |  +--rw tcp {match-on-tcp}?
> > ............
> >         |  |  |     +--rw source-port
> >         |        |  |  |     |  +--rw (source-port)?
> >         |        |  |  |     |     +--:(range-or-operator)
> >         |        |  |  |     |        +--rw (port-range-or-operator)?
> >
> > but when imported into 'draft-ietf-opsawg-vpn-common-12' this becomes
> >           |  |     +--:(tcp)
> >           |  |     |  +-- tcp
> > ......
> >           |  |     |     +-- (source-port)?
> >           |  |     |     |  +--:(source-port-range-or-operator)
> >           |  |     |     |     +-- source-port-range-or-operator
> > ie the identifiers have gained a 'source'  (or 'destination').
> >
> > Also, the structure changes.  Moving on, vpn-common has
> >
> >           |  |     +--:(tcp)
> >           |  |     |  +-- tcp
> > .....
> >           |  |     |     +-- (source-port)?
> >           |  |     |     |  +--:(source-port-range-or-operator)
> >           |  |     |     |     +-- source-port-range-or-operator
> > .......
> >           |  |     |     +-- (destination-port)?
> >           |  |     |        +--:(destination-port-range-or-operator)
> >           |  |     |           +-- destination-port-range-or-operator
> > which looks fine until this is imported into
> > 'draft-ietf-opsawg-l3sm-l3nm-18' when it becomes
> >
> >    |  |     |  |     +--:(tcp)
> >    |  |     |  |     |  +--rw tcp
> > ...................
> >    |  |     |  |     |     +--rw (source-port)?
> >    |  |     |  |     |     |  +--:(source-port-range-or-operator)
> >    |  |     |  |     |     |     +--rw source-port-range-or-operator
> >    |  |     |  |     |     |                      inet:port-number
> >
> >    |  |     |  |     |     +--rw (destination-port)?
> >    |  |     |  |     +--:(destination-port-range-or-operator)
> >    |  |     |  |     |          +--rw destination-port-range-or-operator
> >    |  |     |  |     |             +--rw (port-range-or-operator)?
> >
> > 'destination-port-range-or-operator' has moved and we now have
> >    |  |     |  |     +--:(tcp)
> >    |  |     |  |     +--:(destination-port-range-or-operator)
> > which does not look fine to me; how can this be?
> >
> > Earlier drafts of l3nm did not have this feature.
> >
> > Tom Petch
> >
> > _______________________________________________
> > netmod mailing list
> > netmod@ietf.org
> > https://www.ietf.org/mailman/listinfo/netmod

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