研究了全IP移动通信网中的IP微移动性协议，分析了协议的动机、特点，比较了性能、信令复杂度和可实用性，并给出了可能的优化途径。
Several main IP-based micro-mobility protocols were analyzed by comparing their performance, complexity of signaling and feasibility. Some possible optimizations were also proposed.
发红包的概念是2014年微信引入的，拥有4亿多注册用户的微信是中国最大的门户网站之一腾讯网旗下的品牌。
Thee idea was introduced in 2014 by WeChat, a mobile messaging system with over 400 million users and operated by Tencent, China's largest Internet service portal.
发红包的概念是2014年微信引入的，拥有4亿多注册用户的微信是中国最大的门户网站之一腾讯网旗下的品牌。
Thee idea was introduced in 2014 by WeChat, a mobile messaging system with over 400 million users and operated by Tencent, China's largest Internet service portal.
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