关于GPRS专线无缝升级LTE网络的研究

摘要

针对中国移动GPRS专线升级LTE网络的传统升级方案存在的问题，运用双链路并存的方式，利用LTE核心网的DNS Cache信息的自动更新机制，实现业务的无缝切换，从而避免升级导致对集团客户业务的影响，以提升集团客户的网络满意度。%The paper aimed at the problem of the traditional upgrading scheme of the LTE network from China Mobile GPRS group business network, using the coexistence of dual link and the LTE core network DNS cache information automatic update mechanism, achieved business seamless handover, avoided escalating in the influence of group customer service, improved the satisfaction of customers of the group network.