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Open 6 to 4 Relay Router Operation for Promoting IPv6 Deployment
Yuichiro HEI Katsuyuki YAMAZAKI
IEICE TRANSACTIONS on Communications
Publication Date: 2004/03/01
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Internet Technology IV)
Category: Implementation and Operation
IPv6, IPv6-over-IPv4 tunneling, automatic tunneling, 6to4,
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The 6to4 method enables separate IPv6 sites to connect to the IPv6 Internet via a 6to4 relay router without an explicit IPv6-over-IPv4 tunnel setup. There are about a dozen open 6to4 relay routers worldwide but none of these have been installed in Japan. We therefore decided to evaluate the 6to4 mechanism and set ourselves the goal of improving the 6to4 operation within Japan. To accomplish this, in March 2002, we installed an open 6to4 relay router in Japan with the cooperation of the WIDE project and started this experiment. This paper describes our experiment and analysis of IPv6 traffic through our 6to4 relay router, as well as considerations derived from our experiment.