VPN Address Prefix Based Outbound Route Filter for BGP-4

Document Type Replaced Internet-Draft (individual)
Author Xiaohu Xu 
Last updated 2015-02-03 (latest revision 2014-01-23)
Replaced by draft-xu-bess-l3vpn-prefix-orf
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document defines a new Outbound Router Filter (ORF) type for BGP, refered to as "VPN Address Prefix Outbound Route Filter", that can be used to perform VPN address-prefix-based route filtering. This ORF-type supports prefix-length- or range-based matching, wild- card-based address prefix matching, as well as the exact address prefix matching for VPN address families. The VPN Address Prefix ORF is applicable in the context of Virtual Subnet and may also be applicable in other BGP/MPLS IP VPN environments.


Xiaohu Xu (xuxiaohu@huawei.com)

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