> On Jun 8, 2024, at 11:54 AM, Sriram, Kotikalapudi (Fed) 
> <[email protected]> wrote:
> 
> Some of us may remember this (including Sue and Jeff).  Jakob Heitz, I, and 
> others have proposed/presented (in the IDR WG) the idea of a range of 
> IANA-registered 4-octet ASN values for the Global Admin field to classify BGP 
> Well Known Large Communities (WKLC).
> See: https://datatracker.ietf.org/doc/draft-heitz-idr-wklc/  [1]
> 
> The above draft was motivated in part by the following GROW WG draft's 
> request plus possible other use cases for WKLC:
> https://datatracker.ietf.org/doc/draft-ietf-grow-route-leak-detection-mitigation/
>   [2]
> 
> Our idea was critiqued for requesting 64M 4-octet ASN values to be set aside 
> by IANA for WKLC. That is only 64 million out of the 4 Billion (a fraction 
> 0.015) 4-octet ASNs. This can be reduced easily to 256K out of the 4 Billion 
> (a fraction 0.00006) if that is acceptable. There would be 9 octets available 
> in the WKLC for the data part. The 256K number can be further reduced to 1K 
> if desired (with 8 octets available in the WKLC for the data part). 
> 
> Details can be found in the above cited draft [1].  We can discuss further 
> the possibilities if this approach gets some traction.  Thanks.

Please let the proposal stay dead.  Carving up the globally visible BGP AS 
space with too many "this is special" numbers is a bad idea.



-- Jeff

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