A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Native IPv6 Behind NAT44 CPEs (6a44)
Author(s) : Remi Despres
Brian Carpenter
Dan Wing
Sheng Jiang
Filename : draft-despres-6a44-00.txt
Pages : 32
Date : 2011-07-06
In customer sites having IPv4-only CPEs, Teredo provides a last
resort IPv6 connectivity [RFC4380] [RFC5991] [RFC6081]. However,
because it is designed to work without involvement of Internet
service providers, it has significant limitations (connectivity
between IPv6 native addresses and Teredo addresses is uncertain;
connectivity between Teredo addresses fails for some combinations of
NAT types). 6a44 is a complementary solution that, being base on ISP
cooperation, avoids these limitations. At the beginning of IPv6
addresses, it replaces the Teredo well-known prefix by network
specific prefixes assigned by local ISP's (an evolution similar to
that from 6to4 to 6rd). In hosts, 6a44 can be implemented either
autonomously or as an extension of Teredo. The specification is
complete enough for actual deployment, including with independently
written codes.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-despres-6a44-00.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-despres-6a44-00.txt
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