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RFC 7024
Title: Virtual Hub-and-Spoke in BGP/MPLS VPNs
Author: H. Jeng, J. Uttaro,
L. Jalil, B. Decraene,
Y. Rekhter, R. Aggarwal
Status: Standards Track
Stream: IETF
Date: October 2013
Mailbox: [email protected],
[email protected],
[email protected],
[email protected],
[email protected],
[email protected]
Pages: 25
Characters: 62926
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-l3vpn-virtual-hub-08.txt
URL: http://www.rfc-editor.org/rfc/rfc7024.txt
With BGP/MPLS Virtual Private Networks (VPNs), providing any-to-any
connectivity among sites of a given VPN would require each
Provider Edge (PE) router connected to one or more of these sites
to hold all the routes of that VPN. The approach described in
this document allows the VPN service provider to reduce the number
of PE routers that have to maintain all these routes by requiring
only a subset of these routers to maintain all these routes.
Furthermore, when PE routers use ingress replication to
carry the multicast traffic of VPN customers, the approach
described in this document may, under certain circumstances,
reduce bandwidth inefficiency associated with ingress replication
and redistribute the replication load among PE routers.
This document is a product of the Layer 3 Virtual Private Networks Working
Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements. Please refer to the current edition of the Internet
Official Protocol Standards (STD 1) for the standardization state and
status of this protocol. Distribution of this memo is unlimited.
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