I don't think the OP cares about what you do internally. ----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com Midwest-IX http://www.midwest-ix.com ----- Original Message ----- From: "Mark Tinka via NANOG" <nanog@nanog.org> To: nanog@nanog.org Sent: Tuesday, September 8, 2020 11:26:43 PM Subject: Re: BGP Community - AS0 is de-facto "no-export-to" marker - Any ASN reserved to "export-only-to"?' On 8/Sep/20 20:35, Mike Hammett via NANOG wrote: How I see the OP's intent is to create a BCP of what defined communities have what effect instead of everyone just making up whatever they draw out of a hat, simplifying this process for everyone. Which only matters if you are extending a community outside of your own network to someone else's. If the communities are to be used internally, then it doesn't matter what definition an operator uses. Mark.