Re: [Idr] Routing Directorate Review for draft-ietf-idr-wide-bgp-communities-07 - BGP Community Container

Robert Raszuk <robert@raszuk.net> Mon, 11 July 2022 23:03 UTC

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From: Robert Raszuk <robert@raszuk.net>
Date: Tue, 12 Jul 2022 01:02:51 +0200
Message-ID: <CAOj+MMGqK_udrtC4+Gk0c2mjG43RDJwCv6P=bJy1chxG78WLPQ@mail.gmail.com>
To: "Acee Lindem (acee)" <acee@cisco.com>
Cc: Jeffrey Haas <jhaas@pfrc.org>, "draft-ietf-idr-wide-bgp-communities@ietf.org" <draft-ietf-idr-wide-bgp-communities@ietf.org>, IDR List <idr@ietf.org>, Routing Directorate <rtg-dir@ietf.org>
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Subject: Re: [Idr] Routing Directorate Review for draft-ietf-idr-wide-bgp-communities-07 - BGP Community Container
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Hi Acee,


> Yes – so a wide community known by the receiving speaker with an
> unknown/undefined atom for that community will be treated the same as an
> unknown wide community. Is that right?
>

In the context of 4.4.2 yes. For 4.4.1 as we discussed no. So yes or no
depending on the sub-type.

   The U-bit indicates how the LSA should be handled by a router that
>
>    does not recognize the LSA's function code.  Its values are:
>

But isn't this directly comparable to the notion of transitiveness of
attributes in BGP ?

Many thx,
R.