In the 25+ years the TCP/IP protocol family has been deployed on the internet, it has often faced new problems and challenges. Even today, new extensions such as ECN and TCPs user timeout option, are being added to the core protocols. Newer net

收集了包括中国电信、中国移动、中国联通、长城宽带、聚友宽带等 ISP 的最新准确 IP 地址数据。包括 最全的网吧数据。希望能够通过大家的共同努力打造一个没有未知数据，没有错误数据的QQ IP。IP数据库每 5天更新一次，请大家定期更新最新的IP数据库！ 因为IP地址数据是民间收集的，电信也会不时的更改IP段，所以有点遗漏、错误是难免的。,Collection of accurate and up-to-date, including China Telecom, China Mobil

A TUTORIAL ON LTE EVOLVED UTRAN (EUTRAN) AND LTE SELF ORGANIZING NETWORKS. The main features of LTE are high peak data rate, flexibility of spectrum usage, low latency times, higher capacity per cell, etc. The radio interface of LTE is based on O

本系统基于客户端/服务器基本原理，程序即是服务端，也是客户端，通过IP 就可以相互添加好友，并且实现点到点通信，有聊天记录（未实现根据用户发送的消息而改变字体颜色，只能在客户端改），字体颜色设置(一改全改~)，包含主界面MaindBord 和聊天Talk 两大功能模块。-The basic principle of the system is based on a client/server program, client service, client over IP Add Friend e