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

Hi Robert,

Yes, initially 'best external' addressed eBGP, but later it was generalized for RR clusters as well.

BR
Alexander Okonnikov

> 5 марта 2024 г., в 12:53, Robert Raszuk <robert@raszuk.net> написал(а):
> 
> 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 <mailto: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 <mailto: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
>>> 
>>> 
>>> _______________________________________________
>>> Idr mailing list
>>> Idr@ietf.org <mailto:Idr@ietf.org>
>>> https://www.ietf.org/mailman/listinfo/idr
>> 
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