本文首先分析了在全业务运营的形势下数据业务是未来业务发展的主流，然后提出移动核心网应对全业务运营的两个方案——NGN和IMS。最后在对两种方案进行了比较和分析的基础上，建议应优先采用IMS方案。

This paper firstly analyzed that data service under full-service conditions is the mainstream of future business development．Then the author proposed two solutions on adopting mobile core network to cope with full-service operation – NGN and IMS．At last，based on comparing and analyzing the two solutions，it is recommended to adopt IMS preferentially．