我们上网的时候通常都会遇到这样的情况，当过多的人登陆BBS时网络就会变得非常拥挤。为了解决这个问题，我们需要采取一些措施。

　　一种方法是用完全公平的手段关闭适当的端口，在这里我们以大学校园的建筑为例，大学的建筑被随即的编上号码这些楼的端口将被按一定顺序关闭，但是一号端口总是第一个被关闭，而且已知2号端口被最后一个关闭是最

-Internet access when we usually encountered such a situation, when too many people who visit the BBS when the network becomes very crowded. To solve this problem, we need to take some measures. One approach is to use unfair means completely shut down the appropriate port, where we are building the campus of the University as an example, the university s buildings were then numbered in the port of these buildings will be closed according to a certain order, but the total on the 1st port be the first to be closed, and known on the 2nd port is closed the last is the most