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Transition to IPv6 in GPRS and WCDMA mobile networks   总被引:2,自引:0,他引:2  
The limited size and structure of the Internet address space of IPv4 has caused difficulties in coping with the explosive increase in the number of Internet users. IPv6 is a feasible solution for the problems identified with IPv4. Efficient interworking between IPv4 and IPv6 is very important, because IPv4 networks and services will exist for quite a long time. The transition period will be lengthy, and network/terminal equipment supporting both IP versions will be needed during the transition period. Thus, IPv4 to IPv6 transition issues need special care and attention. The three main transition methods are dual IPv4/IPv6 stacks in network elements/terminals, tunneling, and translators in the network. Three transition phases from IPv4 to IPv6 can be identified. These phases are described. Different transition scenarios from the 2G/3G mobile network point of view are also analyzed. Finally, some conclusions are drawn, and some recommendations on the use of transition methods are given  相似文献   
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