hi all, i am very new to ns. i need to install ns in windows/linux. evaluate performance of wfq and drr queuing algorithms for packetized voice. can any one of you please help me in the followiing:- which package to download and how to install the package for windows/linux? where to get patch for wfq and how to install the patch? i would appreciate any/all kind of help. thanx and regards, ravi