In 2007, it was reported that the cellular telephone system in Japan, the total volume of data traffic to be larger than voice traffic. By 2011, the following technical challenges may arise: the development and deployment architecture end-to-end on existing IPv4-based Internet complex; Japanese infrastructure development, which is globally competitive and globally interoperable, the development of new applications and new business models in a networked environment where everywhere; development of the Internet as a social infrastructure systems, integration with real-space (ie integration of physical space and cyber space); NGN (Next Generation Network) and FMC (Fixed Mobile Convergence), and the development and spread of Internet environment Unwired.