A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Provider Provisioned Virtual Private Networks Working Group of the IETF.
Title : Network based IP VPN Architecture using Virtual
Routers
Author(s) : H. Ould-Brahim et al.
Filename : draft-ietf-ppvpn-vpn-vr-04.txt
Pages : 19
Date : 2003-5-5
This draft describes a network-based VPN architecture using virtual
routers. The VPN service is built based on the virtual router (VR)
concept, which has exactly the same mechanisms as a physical router,
and therefore inherits all existing mechanisms and tools for
configuration, operation, accounting, and maintenance. Within a VPN
domain, an instance of routing is used to distribute VPN
reachability information among VR routers. Any routing protocol can
be used, and no VPN-related modifications or extensions are needed
to the routing protocol for achieving VPN reachability. Virtual
routers can be deployed in different VPN configurations, direct VR
to VR connectivity through layer-2 or by aggregating multiple VRs
into a single VR combined with IP or MPLS based tunnels. This
architecture accommodates various backbone deployment scenarios,
both where the VPN service provider owns the backbone, and where the
VPN service provider obtains backbone service from one or more other
service providers.
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