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Re: [Idr] Proposed IANA procedures for BGP Well-known communities

"Tony Li" <tony.li@tony.li> Thu, 17 July 2008 20:09 UTC

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From: Tony Li <tony.li@tony.li>
To: 'David Ward' <dward@cisco.com>, 'Jeffrey Haas' <jhaas@pfrc.org>
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Subject: Re: [Idr] Proposed IANA procedures for BGP Well-known communities
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Dave,

My concern is related and is perhaps entirely procedural.  If a "well-known"
community is supposed to have universal support and given that we already
have implementations in the field, how can any new community (or for that
matter, path attribute) truly become "well-known"?  We have to assume that
there will always be at least one box in the field that will not support it.

Further, if it's not practical to add to the set of "well-known"
communities, is there really a reason to have an IANA registry for that
subset?

Regards,
Tony


|>> Well-known Communities
|>>
|>>    The following communities have global significance and their
|>>    operations shall be implemented in any community-attribute- 
|>> aware  BGP
|>>    speaker.

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