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        Title           : Tunneling IPv6 with private IPv4 addresses behind 
                          NAT devices
        Author(s)       : L. Min, et al. 
        Filename        : draft-liumin-v6ops-silkroad-01.txt
        Pages           : 27
        Date            : 2004-5-11
        
The growth of IPv6 networks started mainly using the transport
facilities offered by the current Internet. This led to the
development of several techniques to manage IPv6 over IPv4 tunnels.
However, classic tunneling methods do not work when the IPv6
candidate node is isolated behind a Network Address Translator (NAT)
device. We propose here a service, called Silkroad, to enable nodes
located behind one or several IPv4 NATs to obtain IPv6 connectivity.
It can provide IPv6 connectivity through all existing NAT types and
does not require any update of them. In addition, Silkroad does not
need special IPv6 addressing prefix and can provide the users with
permanent/temporary IPv6 addresses.

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