| 
 Sir, 
        I am a final 
year computer-science Engineering student studying in India. 
        We are doing a project in 
Indian Institute of Science(IISc),Bangalore on 
        Quality of services(QoS) via 
differentiated-services.For that purpose we 
        had to learn TCL,and ofcourse NS.Our 
guide(a professor from IISc) gave 
        Greis tutorial on NS for our study.It 
immensely helped us in understanding 
        NS and even TCL.Thats where i got 
this email-id from.  
        sir,in course of doing our project we 
were required to find in TCP connections 
        whether WRR(weighted round 
robin) or RED(randomn early detection) would 
        provide better throughput.Which of 
these is a better alternative?Can u please 
        send us some details about these.And 
if possible TCL scripts containing the  
        comparative study regarding the 
same. 
        Thanks a lot for your time and 
cooperation. 
         Hoping for a positive 
reply. 
                
                
                
    sincerely, 
                
                
                
    Kishore.P.N 
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