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One-time Extended Community Based Outbound Route Filter for BGP-4

Document type: Expired Internet-Draft (individual)
Document stream: No stream defined
Last updated: 2012-09-09 (latest revision 2012-03-08)
Intended RFC status: Unknown
Other versions: (expired, archived): plain text, pdf, html

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IESG State: Expired
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found here:


This document defines a new Outbound Router Filter (ORF) type for BGP, termed "One-time Extended Community Outbound Route Filter", which would allow a BGP speaker to send to its BGP peer a route refresh request with a set of extended-community-based filters to make the peer re-advertise only the specific routes matching the filters to the speaker. This ORF-type enables a BGP speaker to refresh some specific routes without requiring its peer to re- advertise the whole Adj-RIB-Out, which makes the route refresh operation more efficient and reduces the impact on network stability. This filter does not change the outbound route filters on BGP peers and should only be used for one-time filtering.


Jie Dong <>
Qing Zeng <>
Jakob Heitz <>
Keyur Patel <>
Rob Shakir <>

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid)