[arin-ppml] 2-byte and 4-byte ASNs

Jon Lewis jlewis at lewis.org
Fri Apr 18 17:46:07 EDT 2014

Wouldn't these routing policies just need to be rewritten/modernized to 
use extended communities instead of the old 32-bit communities?  64-bits 
of ext-community ought to be enough for community-type, a 32-bit ASN, and 
some policy instruction.  Whether any routers support this, and in a 
user-friendly display format, is the next question...and if not now, how 

On Fri, 18 Apr 2014, Jason Schiller wrote:

> This was brought up at the open mic, and people just shrugged.
> I agree that this does not sound like a solution, but at the same
> time it did not move the community to reconsider their direction.

>> Question:
>> Large ISPs implement BGP communities with a convention of 16-bit ASN
>> followed by 16-bits of locally defined meaning, such as set local pref
>> to 80.
>> Does a comparable convention exist when dealing with 32-bit ASNs? If
>> not, what's the plan?
>> Regards,
>> Bill Herrin

  Jon Lewis, MCP :)           |  I route
                              |  therefore you are
_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________

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