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6to4 Provider Managed Tunnels (6to4-PMT) provide a framework that can help
manage 6to4 tunnels operating in an anycast configuration. The 6to4-PMT framework is intended to serve
as an option for operators to help improve the experience of 6to4 operation when
conditions of the network may provide sub-optimal performance or break normal 6to4 operation.
6to4-PMT supplies a stable provider prefix and forwarding environment by utilizing existing 6to4 relays
with an added function of IPv6 Prefix Translation. This operation may be particularly important
in NAT444 infrastructures where a customer endpoint may be assigned a non-RFC1918 address, thus
breaking the return path for anycast-based 6to4 operation. 6to4-PMT has been successfully used in
a production network, implemented as open source code, and implemented by a major routing
vendor. This document is not an Internet Standards Track specification; it is published
for informational purposes.
Victor Kuarsingh <firstname.lastname@example.org>
Yiu Lee <email@example.com>
Olivier Vautrin <Olivier@juniper.net>
(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid)