Re: [Idr] I-D Action: draft-ietf-idr-deprecate-as-set-confed-set-01.txt

john heasley <heas@shrubbery.net> Tue, 05 November 2019 21:03 UTC

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Date: Tue, 05 Nov 2019 21:03:40 +0000
From: john heasley <heas@shrubbery.net>
To: Jeffrey Haas <jhaas@pfrc.org>
Cc: john heasley <heas@shrubbery.net>, "Sriram, Kotikalapudi (Fed)" <kotikalapudi.sriram@nist.gov>, IDR <idr@ietf.org>, "draft-ietf-idr-deprecate-as-set-confed-set@ietf.org" <draft-ietf-idr-deprecate-as-set-confed-set@ietf.org>
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Subject: Re: [Idr] I-D Action: draft-ietf-idr-deprecate-as-set-confed-set-01.txt
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Tue, Nov 05, 2019 at 02:49:17PM -0500, Jeffrey Haas:
> My meaning was that it's a best common practice in the operational sense,
> not that someone wrote and RFC that has received that capital letter
> blessing.

IETF BCP or otherwise :)

> If you network is a more specific in that aggregate, what policy construct
> are you using to detect that your prefix is being covered in a less specific?

All one can reasonably do is verify the origin of the shorter aggregate in
the DMZ or, preferrably, origin validation.  Am I missing something?