China Telecom China Telecom China Telecom Huawei Technologies CERNET Center/Tsinghua CERNET Center/Tsinghua Current approaches can not solve the scenario that the users from IPv4 Internet to access IPv6-only content. When IPv6 content are becoming more and more popular, it is important to ensure that IPv6- only content can be reachable from legacy IPv4-only clients via some IPv4-only network. This document proposes an approach for IPv4-only users to access IPv6-only content, and can also achieve address sharing in the server side. It is designed to cover the Scenario 2 in [RFC6144].