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-08.txt
Pages : 26
Date : 2013-07-01
Abstract:
With BGP/MPLS VPNs, providing 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 the VPN service provider 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 may under certain circumstances 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-08
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-l3vpn-virtual-hub-08
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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