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RFC 5747

"4over6 Transit Solution Using IP Encapsulation and MP-BGP Extensions", March 2010

Canonical URL:
http://www.rfc-editor.org/rfc/rfc5747.txt
This document is also available in this non-normative format: PDF.
Status:
EXPERIMENTAL
Authors:
J. Wu
Y. Cui
X. Li
M. Xu
C. Metz
Stream:
INDEPENDENT

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Abstract

The emerging and growing deployment of IPv6 networks will introduce cases where connectivity with IPv4 networks crossing IPv6 transit backbones is desired. This document describes a mechanism for automatic discovery and creation of IPv4-over-IPv6 tunnels via extensions to multiprotocol BGP. It is targeted at connecting islands of IPv4 networks across an IPv6-only backbone without the need for a manually configured overlay of tunnels. The mechanisms described in this document have been implemented, tested, and deployed on the large research IPv6 network in China. This document defines an Experimental Protocol for the Internet community.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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