BGP Extensions for Enhanced VPN Auto Discovery

The information below is for an old version of the document
Document Type Expired Internet-Draft (individual)
Authors Jie Dong  , Zhenbin Li  , Lucy Yong 
Last updated 2016-04-21 (latest revision 2015-10-19)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


All kinds of VPN technologies have been widely deployed to bear different services. As new applications develop, there proposes the requirement of auto-discovery of Layer 3 Virtual Private Network (L3VPN) and enhanced auto-discovery requirements for other VPN technologies which already have the auto-discovery mechanisms. This document identifies the possible applications and these auto- discovery requirements. Accordingly this document defines a new BGP NLRI, called the BGP-VPN-INSTANCE NLRI to satisfy the requirement of auto-discovery of BGP VPN instance and a new type of the extended community, called the Import Route Target which can be applied for auto-discovery mechanisms of multiple VPN technologies.


Jie Dong (
Zhenbin Li (
Lucy Yong (

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