美国加利福尼亚大学开发的一个基于mtrace和rtcp来监控组播网络的程序，名称为mhealth，java实现在solaris下。windows下可能需要改一点mtrace的调用目录吧-the University of California based on the development of a MTrace and RTCP multicast network to monitor the procedure, known as mhealth, java achieve under t

利用java语言编写的一个sniffer休庭程序，可以对常见的数据包进行监听。-Using java language adjournment of a sniffer program can monitor the common packets.