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Re: [Sidrops] [Last-Call] Genart last call review of draft-ietf-sidrops-ov-egress-01

Job Snijders <job@ntt.net> Fri, 20 March 2020 18:48 UTC

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Date: Fri, 20 Mar 2020 18:48:51 +0000
From: Job Snijders <job@ntt.net>
To: Randy Bush <randy@psg.com>
Cc: Ben Maddison <benm@workonline.africa>, "keyur@arrcus.com" <keyur@arrcus.com>, "sidrops@ietf.org" <sidrops@ietf.org>, "draft-ietf-sidrops-ov-egress.all@ietf.org" <draft-ietf-sidrops-ov-egress.all@ietf.org>, "last-call@ietf.org" <last-call@ietf.org>, "gen-art@ietf.org" <gen-art@ietf.org>, "rjsparks@nostrum.com" <rjsparks@nostrum.com>
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Subject: Re: [Sidrops] [Last-Call] Genart last call review of draft-ietf-sidrops-ov-egress-01
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On Fri, Mar 20, 2020 at 11:42:47AM -0700, Randy Bush wrote:
> > Having spend the better part of last week stepping a vendor through
> > exactly these semantics
> 
> while there is no proof of termination of clue insertion, that a BGP/ROV
> *implementor* did not get it, justifies the hack.
> 
>    As the origin AS of a BGP UPDATE is decided by configuration and
>    outbound policy of the BGP speaker, a validating BGP speaker MUST
>    apply Route Origin Validation policy semantics (see [RFC6811] Sec 2)
>    against the origin Autonomous System number which will actually be
>    put in the AS_PATH (see [RFC4271] 4.3 Path Attributes:b) of the
>    UPDATE to the peer.

Looks good to me.

Kind regards,

Job

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