实时监测局域网内部的计算机 实时监测局域网内部的计算机

通过CSocket类和IP地址在计算机之间进行文件传送。-through CSocket type and IP addresses in the computer file transfer between.

这是动网论坛的SQL商业版本的SQL代码。-SQL commercial version of SQL code.

java 通信类库 包装了各种通信的协议-communications packaging of the various communications agreement

计算机网络技术基础 Windows网络体系结构 NDIS规范简介-Computer network technology based on Windows network architecture specification NDIS Profile

SMTP协议实现总集， 有7个程序的源代码！非常好！用于课程设计的！ -SMTP protocol collection, seven program"s source code! Very good! For course design!

OPENH323源码分析资料,是学习h323协议的好资料-OpenH323 source code analysis, is to learn a good deal of information h323

信使小精灵,是一个简易的聊天工具。主要是演示了网络编程的主要步骤。本程序使用封装好的函数库，使得应用层不需要考虑网络消息是如何被接受和发送的，也不需要考虑数据粘包和丢包的刺手问题，你只要调用相应的函数就可以了。函数库为你做好了这些工作。你只需要定义自己的协议头和消息结构体，定义好网络消息的回调函数就可以了。 -messenger elf is a simple chat tools. A major demonstration is the main network programming steps. The programs use Packaging good libraries, makes application layer need not consider the network news is how it has been accepted and sent, and do not need sticky packets of data and packet loss of a thorn in hand, as long as you call the corresponding function on it. Functions well as your work. You only need to define its own agreement head and the structure of news, the definition of a good network news callback function on it.

邮件代码服务器端-mail server code

不错的程序。可以实现网上购物的功能，代码简单实用-good procedures. Shopping online can realize the function, code simple and practical

1-持续CSMA协议下，当一个用户要发送数据时，它首先侦听信道，看是否有其他站点在传送。如果信道忙，就持续等待直到信道空闲时，便将数据送出。若发生冲突，就等待一个随机长的时间，然后重新侦听。 对于这种协议，先考虑当前帧i时的前一帧时i-1，得到前一帧时的最后一帧frame0（相对时间最大的帧）的相对时间dt0，然后再在当前帧时查看有哪些帧的相对时间会小于dt0，这些帧若是发送就会与frame0发生冲突，所以这些帧就进入持续等待状态，这些帧并没有发送。再考虑当前帧余下的帧（dt > dt0），它们中的第一帧侦听到信道处于空闲状态，所以就发送，而其他的帧由于第一帧的发送又处于等待状态。若有大于或等于2个帧的相对时间相等，且它们又同时侦听到信道空闲时，就会同时发送而导致冲突，冲突发生后的处理方法同上两个协议的一样。 -1- CSMA continued under the agreement, when a user to send data, it first interception Channel to see if there are other sites in transmission. If Channel busy, continuing to wait until the idle channel, and put more information out. If there is conflict, it is a long wait for a random time, then re-interception. Such agreements, to consider the current frame i am one of the former when i-1, be a time before the final one frame0 (relative to the time frame) the relative dt0 time, and then when the current frame to detect what the relative time frame will be less than dt0, these frames will be sent if and frame0 conflict, th