Analysis and Research on Transition Proposal from IPv4 to IPv6 in Metropolitan Area Network

The global IPv4 addresses are about to run out. IPv6s need to be expanded unceasingly. But the transition from IPv4 to IPv6 is a gradual process. Smooth transition of the contemporary Internet from IPv4 to IPv6 has become the direction of development in how to use various transition technologies in existing IPv4 network facilities resources. This paper puts forward the broadband dial-up users IPv6 to IPv4 transition proposal, which is based on Dual Stack technology, and at the same time adopting 6to4/ISATAP Tunnel. In addition, it is to run WWW, FTP, Http, DNS and other network application platform in this environment.