Tsinghua University Tsinghua University Tsinghua University Sunderland University Oxford University Cyberspace involves politics, economy, culture, and technology; it engages governments, international organizations, Internet companies, technology communities, civil society, and citizens, forming an integrated, organic body. In a word, cyberspace is the online version of a community with a shared future for mankind. This memo tries to outline a new framework for rule-based international cyberspace governance regime in the context of IPv6 application, which looks into the future international cooperation of cyberspace governance.