This paper interprets the national IPv6 action plan

and combines China Mobile’s terminal

fi xed network and LTE services

IDC

content network and support network

network management and security fi eld

and proposes the overall deployment principle of IPv6 and network at all levels/phased evolution of the system. China Mobile’s IPv6 end-to-end transition transformation is a huge system engineering

which should be completed step by step and gradually in stages based on national requirements and business development needs.