hi to all! please help me! How to implement multi-rate multicast congestion control on winXP+cygwin+ns2.31? I can implement TFMCC, but can not implement SMCC, The receiver con not join the multicast group. ÍøÒ×YEAH.NETÃâ·ÑÓÊÏ䣺ÄúµÄÖÕÉíÃâ·ÑÓÊÏä