为了改善iPhone手机的推送通知服务与网络的兼容性，从而提高推送通知服务的成功率并降低iPhone手机功耗，从iPhone终端的推送通知服务机制及其TCP连接保活机制的原理出发，通过研究其令牌传递、推送通知下发、心跳消息的流程，结合对网络结构的研究，提出了在防火墙上优化TCP连接保活定时器的优化方案，并通过现网实验对该优化方案进行了效果验证。实验结果证明，该优化方案对降低手机功耗、降低网络信令负荷、提高推送通知成功率有明显效果。%In order to improve the compatibility of the Apple push notification service and network, so as to improve the push notification service success rate and reduce power consumption of iPhone mobile phone,from the principle of push notification service and its mechanism TCP connection keep alive mechanism of iPhone , by the research of the process of token passing, push notifi-cation, heartbeat, combined with the research on network structure, it put forward the optimization scheme in the firewal TCP connection keep alive timer, and the optimization scheme is verified by the experiment. According to the experimental results, the optimization scheme is effective to reduce the iPhone power consumption, reduce network signal ing load, improve the push notification success rate .
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