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首先介绍全IP移动网的背景和含义,然后从核心网和接入网两个方面介绍3G网络中的全IP技术,最后介绍全IP移动网的发展方向。:
First of all, it introduces the background and meaning of all-IP mobile network. Then it introduces the all-IP technology in 3G network from two aspects of core network and access network. Finally, it introduces the development direction of all-IP mobile network. :