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[Idr] BGP Origin Scrubbing (draft-marenamat-idr-scrub-bgp-origin-00)

Maria Matejka <maria.matejka@nic.cz> Mon, 03 November 2025 22:48 UTC

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Date: Mon, 03 Nov 2025 23:48:22 +0100
From: Maria Matejka <maria.matejka@nic.cz>
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Subject: [Idr] BGP Origin Scrubbing (draft-marenamat-idr-scrub-bgp-origin-00)
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Hello!

Moving on from James Bensley's talk at RIPE 91, this is a proposal to
start a deprecation process of the BGP ORIGIN attribute.

Comments and suggestions appreciated.

Maria

On Mon, Nov 03, 2025 at 02:43:38PM -0800, internet-drafts@ietf.org wrote:

> A new version of Internet-Draft draft-marenamat-idr-scrub-bgp-origin-00.txt
> has been successfully submitted by Maria Matejka and posted to the
> IETF repository.
> 
>     Name:     draft-marenamat-idr-scrub-bgp-origin
>     Revision: 00
>     Title:    Scrubbing BGP ORIGIN Attribute
>     Date:     2025-11-03
>     Group:    Individual Submission
>     Pages:    7
>     URL:      https://www.ietf.org/archive/id/draft-marenamat-idr-scrub-bgp-origin-00.txt
>     Status:   https://datatracker.ietf.org/doc/draft-marenamat-idr-scrub-bgp-origin/
>     HTML:     https://www.ietf.org/archive/id/draft-marenamat-idr-scrub-bgp-origin-00.html
>     HTMLized: https://datatracker.ietf.org/doc/html/draft-marenamat-idr-scrub-bgp-origin
> 
> 
> Abstract:
> 
>    The BGP Origin attribute in its original meaning has been out of use
>    for years.  Yet, the BGP Origin attribute has high priority in the
>    best route selection algorithm, right after the AS Path length, and
>    it's being used inconsistently over the Internet to manipulate the
>    route preference.
> 
>    This document updates RFC 4271 and RFC 7606 by making the BGP Origin
>    attribute half-optional and explicitly allowing its scrubbing to zero
>    (IGP).

-- 
Maria Matejka (she/her) | BIRD Team Leader | CZ.NIC, z.s.p.o.

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