Computer-Networks-and-Internets

快递发送单查询通信，　利用了socket(Courier to send single query communication using a socket)

NAT(Network Address Translators)，网络地址转换：网络地址转换是在IP地址日益缺乏的情况下产生的，它的主要目的就是为了能够地址重用。NAT分为两大类，基本的NAT和NAPT(Network Address/Port Translator)。(The principle and implementation of UDP NAT through P2P )

服务器与客户端分开的简单聊天程序，对于初学者有很大帮助。(Separate client and server simple chat program, very helpful for beginners.)

eMuleBT驴 源程序，是一个较好的使用p2p技术的实现，其流行也带动了p2p技术的快速发展。(donkey eMuleBT source is a better use of p2p technology, realize, and its popularity has also led to the rapid development of p2p technologies.)

通信网络的架设问题 若要在n（≥10）个城市之间建设通信网络，只需要架设n-1条线路即可(With the Dijksra algorithm to network G from source points to the rest of the vertices of the shortest path)

编制程序，监控网络，捕获一段时间内网络上的IP数据包，按IP数据包的源地址统计出该源地址在该时间段内发出的IP包的个数，将其写入日志文件中或用图形表示出来（建议用图形表示出统计结果）。(Program monitoring network, a period of time to capture IP data packets on the network, according to the source address of the IP packet statistics of the number of the source address is issued in the time of the IP package, written into the log file or graph out (that show the statistical results with graphics).)

一个简单的ftp传送文件的协议!?桓黾虻サ膄tp传送文件的协议!(A simple file transfer protocol ftp!? Hwan Microvelia Tabanidaeサ膄tp agreement to send the document!)

这是一本关于IOCP模型原理及其功能介绍的文章。对于做大型服务器很有帮助(This is a book about IOCP model and the function introduction article. For large server help )

TCP端口扫描，可以获得指定IP段内的主机名，mac地址，存活端口，并将这些信息保存在SQLITE数据库，下次可以直接读取数据库信息，移值性好！(CP port scan, you can get within the segment specified IP host name, mac address, survival ports, and the information stored in the SQLITE database, the next can be read directly, transfer value is good!)

Icmp高级编程 代码在vc++6.0下调试通过(ICMP high-level programming code vc++ 6.0 debugging through)