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Re: [GROW] [Idr] RFC7854: EoR

Jeffrey Haas <jhaas@pfrc.org> Thu, 22 September 2022 18:00 UTC

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From: Jeffrey Haas <jhaas@pfrc.org>
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Date: Thu, 22 Sep 2022 14:00:49 -0400
Cc: Paolo Lucente <paolo@ntt.net>, "grow@ietf.org" <grow@ietf.org>, Maximilian Wilhelm <max@rfc2324.org>
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To: Robert Raszuk <robert@raszuk.net>
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Subject: Re: [GROW] [Idr] RFC7854: EoR
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> On Sep 21, 2022, at 1:52 AM, Robert Raszuk <robert@raszuk.net> wrote:
> 
> Hi Paolo,
>  
> A-la: there is multiple updates related to a certain NLRI by when a BMP 
> message is to be sent out, let's state-compress (ie. not send out) those 
> that were already obsoleted by a subsequent update.
> 
> But this will hide BGP churn for a given NET to be detectable by BMP receiver. Is this a good thing ? I am not sure. It is a loss of information to me. 

State compression for route-monitoring messages in BMP is common.

If you wanted perfect state, you would use route-mirroring mode, if the implementation supported it.

-- Jeff

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