| 摘要 |
The invention relates to a network transition architecture, and especially relates to a transition architecture for enabling to transfer from IPv4 to IPv6, characterized in that: (1) a converged gateway is arranged between IPv4 network and IPv6 network; (2) application proxy programs are installed on client ends; (3) the gradually arranged converged gateway and client proxies themselves form a network architecture of overlay network between the current IPv4 and IPv6 networks. The method of the invention, with hardly modifying the current application program and without changing the architecture of the current IPv4 network or IPv6 network itself, enables an IPv4 user to access service resources in the IPv6 network, and an IPv6 user to access service resources in the IPv4 network too. There are one or more virtual connection paths from a client end to a service resource end, and thereby the communication reliability between both is further enhanced.
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