Re: [Idr] WG adoption for draft-kumari-deprecate-as-set-confed-set - 8/16 to 8/30/2019

Jared Mauch <jared@puck.nether.net> Fri, 16 August 2019 14:52 UTC

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From: Jared Mauch <jared@puck.nether.net>
In-Reply-To: <20190816143747.GH4901@hanna.meerval.net>
Date: Fri, 16 Aug 2019 10:52:46 -0400
Cc: Susan Hares <shares@ndzh.com>, idr@ietf.org
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References: <012001d5543f$ab7015a0$025040e0$@ndzh.com> <20190816143747.GH4901@hanna.meerval.net>
To: Job Snijders <job@ntt.net>
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Subject: Re: [Idr] WG adoption for draft-kumari-deprecate-as-set-confed-set - 8/16 to 8/30/2019
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I would also like to support adoption of this.

We should also (in parallel) reach out to some of the networks still using as_sets that are visible in the global BGP table.

- Jared

> On Aug 16, 2019, at 10:37 AM, Job Snijders <job@ntt.net>; wrote:
> 
> Dear Susan,
> 
> I would like to see the WG adopt this draft.
> 
> Kind regards,
> 
> Job
> 
> On Fri, Aug 16, 2019 at 10:34:10AM -0400, Susan Hares wrote:
>> Greetings: 
>> 
>> 
>> 
>> This begins a 2 week WG adoption call for
>> draft-kumari-deprecate-as-set-confed-set
>> 
>> from 8/16 to 8/30/2019. 
>> 
>> 
>> 
>> This draft seeks to remove AS_SET and AS_CONFED_SET from RFC4271.   
>> 
>> Draft is at: 
>> 
>> https://tools.ietf.org/html/draft-kumari-deprecate-as-set-confed-set-14
>> 
>> 
>> 
>> 
>> 
>> To quote the draft: 
>> 
>> 
>> 
>>   "BCP 172 <https://tools.ietf.org/html/bcp172>  [RFC6472
>> <https://tools.ietf.org/html/rfc6472> ] makes a recommendation for not using
>> AS_SET and
>>   AS_CONFED_SET in Border Gateway Protocol (BGP).  This document
>>   advances the recommendation to a standards requirement in BGP"
>> 
>>        [aka RFC4271].
>> 
>> 
>>   "From analysis of past Internet routing data, it is apparent that
>>   aggregation that involves AS_SETs is very seldom used in practice on
>>   the public Internet [Analysis
>> <https://tools.ietf.org/html/draft-kumari-deprecate-as-set-confed-set-14#ref
>> -Analysis> ] and when it is used, it is often used
>>   incorrectly -- reserved AS numbers ([RFC1930
>> <https://tools.ietf.org/html/rfc1930> ]) and/or only a single
>>   AS in the AS_SET are by far the most common cases."
>> 
>> 
>> In your comments on adoption, consider: 
>> 
>> 1)  Should the IDR WG remove AS_SET and AS_CONFED_SET from BGP? 
>> 2)  Is this document a reasonable document to document that removal? 
>> 3)  Are there technical flaws in the arguments for removal? 
>> 4)  Are there issues with the text? 
>> 
>> Cheerily, Susan Hares 
>> 
>> 
>> 
> 
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