Re: [Idr] I-D Action: draft-ietf-idr-rtc-hierarchical-rr-04.txt

Alex,

The draft applies to reflected IBGP routes.

Best external draft you are quoting - which is extremely useful and
deployed proposal - is applicable to ASBRs/PEs learning BGP routes over
EBGP.

Thx,
R.

On Tue, Mar 5, 2024 at 10:45 AM Alexander Okonnikov <
alexander.okonnikov@gmail.com> wrote:

> Hi authors,
>
> We have already more generic alternative for the second solution - 'Best
> external route' described in
> https://datatracker.ietf.org/doc/html/draft-ietf-idr-best-external-05.
> What about choosing one of two solutions - I lean towards 'best external'
> based solution. It seems lightweight and doesn't require Add-paths support.
>
> Thanks.
>
> BR
> Alexander Okonnikov
>
> 4 марта 2024 г., в 13:27, internet-drafts@ietf.org написал(а):
>
> Internet-Draft draft-ietf-idr-rtc-hierarchical-rr-04.txt is now available.
> It
> is a work item of the Inter-Domain Routing (IDR) WG of the IETF.
>
>   Title:   Extensions to RT-Constrain in Hierarchical Route Reflection
> Scenarios
>   Authors: Jie Dong
>            Mach(Guoyi) Chen
>            Robert Raszuk
>   Name:    draft-ietf-idr-rtc-hierarchical-rr-04.txt
>   Pages:   6
>   Dates:   2024-03-04
>
> Abstract:
>
>   The Route Target (RT) Constrain mechanism specified in RFC 4684 is
>   used to build a route distribution graph in order to restrict the
>   propagation of Virtual Private Network (VPN) routes.  In network
>   scenarios where hierarchical route reflection (RR) is used, the
>   existing RT-Constrain mechanism cannot guarantee a correct route
>   distribution graph.  This document describes the problem scenario and
>   proposes a solution to address the RT-Constrain issue in hierarchical
>   RR scenarios.
>
> The IETF datatracker status page for this Internet-Draft is:
> https://datatracker.ietf.org/doc/draft-ietf-idr-rtc-hierarchical-rr/
>
> There is also an HTMLized version available at:
> https://datatracker.ietf.org/doc/html/draft-ietf-idr-rtc-hierarchical-rr-04
>
> A diff from the previous version is available at:
>
> https://author-tools.ietf.org/iddiff?url2=draft-ietf-idr-rtc-hierarchical-rr-04
>
> Internet-Drafts are also available by rsync at:
> rsync.ietf.org::internet-drafts
>
>
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