[Idr] Fixed sized communities (was Re: Questions on your presentations ...)

Jeffrey Haas <jhaas@pfrc.org> Thu, 19 July 2018 23:11 UTC

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Date: Thu, 19 Jul 2018 19:11:19 -0400
From: Jeffrey Haas <jhaas@pfrc.org>
To: Robert Raszuk <robert@raszuk.net>
Cc: "Jakob Heitz (jheitz)" <jheitz@cisco.com>, idr wg <idr@ietf.org>
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Subject: [Idr] Fixed sized communities (was Re: Questions on your presentations ...)
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On Fri, Jul 20, 2018 at 12:52:44AM +0200, Robert Raszuk wrote:
> 4. New additional RTC SAFI for 30 octets XXXL ext communities is ... insane
> - not only obvious but then you would need to get complex dealing with
> different/opposite filtering results from different RTCs SAFIs.

I would like to offer a very specific reductio ad absurdum:
I propose that the next version of communities we do, if they must be fixed
length, must be 253 octets of value and 255 bytes of total size.

If we must do fixed, do it and be done for a long while.

-- Jeff