Re: [Teas] question on the topology filter draft

Loa, Hi!

Point taken. The next revision should provide a better narrative.

Regards,
-Pavan (on behalf of the authors)

On Wed, Nov 10, 2021 at 8:28 AM Loa Andersson <loa@pi.nu> wrote:

> Pavan,
>
> This mail gives me more (and useful) inforamtion than the draft did,
> e.g. that topology filters are a new concept. And where to find related
> info, would you consider adding it in some for to the draft.
>
> /Loa
>
> On 10/11/2021 13:23, Vishnu Pavan Beeram wrote:
> > Loa,
> >
> > Please see inline (prefixed VPB)
> >
> > Regards,
> > -Pavan
> >
> >
> > On Tue, Nov 9, 2021 at 11:57 AM Loa Andersson <loa@pi.nu
> > <mailto:loa@pi.nu>> wrote:
> >
> >     WG, Pavan, authors,
> >
> >     I was cut off at the end of the queue in the wg discussion. I had a
> >     fairly simple question,
> >
> >     Where the topology filter(s) defined
> >
> > [VPB] The term “topology filter” is being introduced in
> > draft-bestbar-teas-yang-topology-filter (not aware of any other document
> > where it is defined). As per this data model draft, a “topology filter”
> > is a data construct that can be applied on either a native topology or a
> > customized topology to produce a filtered set of topological
> > elements. The native or customized topology referred to here is a TE
> > aware topology [RFC8795].
> >
> >     and what benefits do we get from
> >     using them?
> >
> > [VPB] There are a couple of use-cases that are being targeted with this
> > construct.
> >
> > (a) Specification of topology related constraints for TE path
> > computation (any setup type):
> > A few examples:
> > - Compute a path within a specific topology
> > - Compute a path within the topology associated with a specific IGP
> domain
> > - Compute a path within the topology learnt from a specific TE
> > Information Source
> > - Compute a path within the topology defined by the application of one
> > or more topology-filters
> > ** Say, a topology with elements that are learnt via ISIS Level-2 and
> > include resource-affinity red
> > ** Or, a topology with elements associated with ISIS Flex-Algo 128 and
> > do not include resource-affinity blue
> >
> > (b) Specification of filter-topology associated with a Network Resource
> > Partition
> >
> >
> >     /Loa
> >     --
> >
> >     Loa Andersson                        email: loa@pi.nu <mailto:
> loa@pi.nu>
> >     Senior MPLS Expert loa.pi.nu@gmail.com <mailto:loa.pi.nu@gmail.com>
> >     Bronze Dragon Consulting             phone: +46 739 81 21 64
> >
> >     _______________________________________________
> >     Teas mailing list
> >     Teas@ietf.org <mailto:Teas@ietf.org>
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> >
>
> --
>
> Loa Andersson                        email: loa@pi.nu
> Senior MPLS Expert                          loa.pi.nu@gmail.com
> Bronze Dragon Consulting             phone: +46 739 81 21 64
>