A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Layer-3 virtual network overlays based on BGP Layer-3 VPNs
Author(s) : Dhananjaya Rao
John Mullooly
Rex Fernando
Filename : draft-drao-bgp-l3vpn-virtual-network-overlays-00.txt
Pages : 11
Date : 2012-10-15
Abstract:
Virtual network overlays are being designed and deployed in various
types of networks, including data center networks. These network
overlays serve several purposes including flexible network
virtualization, increased scale, multi-tenancy, and mobility. Such
overlay networks may be used to provide both Layer-2 and Layer-3
network services to hosts at the network edge. New encapsulations
are being defined and standardized to support these virtual networks.
These encapsulations are primarily based on IP, such as VxLAN and
NvGRE.
BGP based Layer-3 VPNs, as specified in RFC 4364, provide an industry
proven and well-defined solution for supporting Layer-3 virtual
network services. RFC 4364 mechanisms use MPLS labels to provide the
network virtualization capability in the data plane. This document
specifies a simple mechanism to use the new IP-based virtual network
overlay encapsulations, while continuing to leverage the BGP based
Layer-3 VPN control plane techniques and extensions.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-drao-bgp-l3vpn-virtual-network-overlays
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-drao-bgp-l3vpn-virtual-network-overlays-00
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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