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Re: [GROW] Fwd: New Version Notification for draft-ymbk-grow-bgp-collector-communities-02.txt

Job Snijders <job@fastly.com> Fri, 18 February 2022 11:45 UTC

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Date: Fri, 18 Feb 2022 12:44:27 +0100
From: Job Snijders <job@fastly.com>
To: Randy Bush <randy@psg.com>
Cc: GMO Crops <grow@ietf.org>
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Subject: Re: [GROW] Fwd: New Version Notification for draft-ymbk-grow-bgp-collector-communities-02.txt
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Hi Randy, Emile,

A few small notes that might be of interest should you wish to progress
this draft:

* 32-bit ASNs don't fit in 16-bit fields. Consider using a set of
  Extended Communities?
* The Local Administrator values {64994,64995,64996} might already
  be in use and carry local significance.
* I wouldn't avoid setting up an IANA registry merely because there are
  'very few categories'
* Section 5's 'well-known prefix' perhaps should be set to TBD, rather
  than using widely used RFC 1918 space.

Kind regards,

Job

On Thu, Feb 17, 2022 at 01:22:09PM -0800, Randy Bush wrote:
> six and a half year old draft rises from the dead, with modification
> 
> From: internet-drafts@ietf.org
> To: Emile Aben <emile.aben@ripe.net>, Randy Bush <randy@psg.com>
> Subject: New Version Notification for draft-ymbk-grow-bgp-collector-communities-02.txt
> Date: Thu, 17 Feb 2022 13:09:38 -0800
> 
> A new version of I-D, draft-ymbk-grow-bgp-collector-communities-02.txt
> has been successfully submitted by Randy Bush and posted to the
> IETF repository.
> 
> Name:		draft-ymbk-grow-bgp-collector-communities
> Revision:	02
> Title:		Marking Announcements to BGP Collectors
> Document date:	2022-02-17
> Group:		Individual Submission
> Pages:		5
> URL:            https://www.ietf.org/archive/id/draft-ymbk-grow-bgp-collector-communities-02.txt
> Status:         https://datatracker.ietf.org/doc/draft-ymbk-grow-bgp-collector-communities/
> Htmlized:       https://datatracker.ietf.org/doc/html/draft-ymbk-grow-bgp-collector-communities
> Diff:           https://www.ietf.org/rfcdiff?url2=draft-ymbk-grow-bgp-collector-communities-02
> 
> Abstract:
>    When BGP route collectors such as RIPE RIS and Route Views are used
>    by operators and researchers, currently one can not tell if the
>    collection of paths announced to a collector represents the ISP's
>    customer cone, includes internal routes, includes paths learned from
>    peerings or transits.  This greatly reduces the utility of the
>    collected data.  This document specifies the use of BGP communities
>    to differentiate the kinds of views being presented to the
>    collectors.
> 
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