A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Layer 3 Virtual Private Networks Working Group of the IETF.
Title : Virtual Hub-and-Spoke in BGP/MPLS VPNs
Author(s) : Huajin Jeng
James Uttaro
Luay Jalil
Bruno Decraene
Yakov Rekhter
Rahul Aggarwal
Filename : draft-ietf-l3vpn-virtual-hub-02.txt
Pages : 22
Date : 2012-10-15
Abstract:
With BGP/MPLS VPNs any-to-any connectivity among sites of a given
Virtual Private Network would require each Provider Edge router that
has one or more of these sites connected to it to hold all the routes
of that Virtual Private Network. The approach described in this
document allows to reduce the number of Provider Edge routers that
have to maintain all these routes by requiring only a subset of these
routers to maintain all these routes.
Furthermore, when Provider Edge routers use ingress replication to
carry multicast traffic of VPN customers, the approach described in
this document could allow to reduce bandwidth inefficiency associated
with ingress replication, and to redistribute the replication load
among Provider Edge routers.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-l3vpn-virtual-hub
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-l3vpn-virtual-hub-02
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-l3vpn-virtual-hub-02
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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