A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Inter AS option for BGP/MPLS IP VPN
Author(s) : M. Kulmala, et al.
Filename : draft-kulmala-l3vpn-interas-option-d-00.txt
Pages : 5
Date : 2005-7-5
This document describes new Inter-AS option for RFC2547bis services.
This option is a hydrid of options A and B that are defined in
[2547BIS]. The proposed method can inter-operate seamlessly with a
peer that is using rfc2547bis ch 10 option B inter-AS method.
In this Inter AS option ASBR installs VPN-IPv4 routes into VRFs and
acts as BGP next hop when it readvertises VPN-IPv4 routes with MP-BGP
to other PE routers. This eliminates the need to LSP connectivity (or
some other type of tunnels) between packet's ingress and egress PE.
Since this option keeps VRFs it will give VPN context at ASBR and
inherently provides route filtering based on Route Targets. This
option is independent of the interconnecting media.
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