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 Hi everybody 
I am a green hand of ns and i am using ns-2.1b6 on Redhat 
Linux 6.0. 
I want add a new variable in tcp.cc,because i wish change Jacobson /Karels RTT estimation.It is "oldt_rtt_". I added in ns-default.tcl this line : 
                          
TCP/Agent set oldt_rtt_  0 
What else do i must? 
Please, help me 
Thank you in advance.  |