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Re: [sidr] Confederations and Private ASNs (WAS: AD Review of draft-ietf-sidr-bgpsec-protocol-18)

Randy Bush <randy@psg.com> Thu, 22 December 2016 00:53 UTC

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Date: Thu, 22 Dec 2016 09:52:58 +0900
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From: Randy Bush <randy@psg.com>
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Cc: Kotikalapudi Sriram <kotikalapudi.sriram@nist.gov>, sidr wg list <sidr@ietf.org>
Subject: Re: [sidr] Confederations and Private ASNs (WAS: AD Review of draft-ietf-sidr-bgpsec-protocol-18)
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> IOW, AS65003 doesn’t necessarily always know that AS65001 is also AS2.
> It may not know the confederation ID at all, or it may even think that
> AS65001 is also some other AS.

and this is within spec.  we have no measure of how common this is, and
it would be hard to measure due to the problem of vantage points.  such
is life with bgp.

randy

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