Protocol Action: 'Internal BGP as Provider/Customer Edge Protocol for BGP/MPLS IP Virtual Private Networks (VPNs)' to Proposed Standard (draft-ietf-l3vpn-ibgp-08.txt)
The IESG <iesg-secretary@ietf.org> Tue, 19 July 2011 15:37 UTC
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From: The IESG <iesg-secretary@ietf.org>
To: IETF-Announce <ietf-announce@ietf.org>
Subject: Protocol Action: 'Internal BGP as Provider/Customer Edge Protocol for BGP/MPLS IP Virtual Private Networks (VPNs)' to Proposed Standard (draft-ietf-l3vpn-ibgp-08.txt)
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Date: Tue, 19 Jul 2011 08:37:54 -0700
Cc: l3vpn chair <l3vpn-chairs@tools.ietf.org>, l3vpn mailing list <l3vpn@ietf.org>, RFC Editor <rfc-editor@rfc-editor.org>
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The IESG has approved the following document: - 'Internal BGP as Provider/Customer Edge Protocol for BGP/MPLS IP Virtual Private Networks (VPNs)' (draft-ietf-l3vpn-ibgp-08.txt) as a Proposed Standard This document is the product of the Layer 3 Virtual Private Networks Working Group. The IESG contact persons are Stewart Bryant and Adrian Farrel. A URL of this Internet Draft is: http://datatracker.ietf.org/doc/draft-ietf-l3vpn-ibgp/ Technical Summary In current RFC4364 deployments, when BGP is used as the PE-CE routing protocol, BGP peering sessions are typically configured as an external peering between the VPN provider AS and the customer network AS. While this technique works well in situations where there are no BGP routing exchanges between the client network and other networks, it does have drawbacks for customer networks that use BGP internally for purposes other than interaction between CE and PE routers. In order to make the usage of BGP/MPLS VPN services as transparent as possible to any external interaction, it is desirable to define a mechanism by which PE-CE routers can exchange BGP routes by means other than external BGP. This document specifies a means to use Internal BGP for the purpose of exchanging PE-CE routes. Working Group Summary This document is a product of L3VPN WG. The document underwent WG Last Call in both the L3VPN and IDR WGs. Document Quality The L3VPN WG is aware of two implementations. Personnel Ben Niven-Jenkins is the Document Shepherd for this document Stewart Bryant is the Responsible Area Director.