I was simulated my tcl script in ns2.30 using new_trace format under linux I have out.tr then I want to calculate 3 performance metric : paket delivery ratio, paket overhead and end to end delay. I use my awk script to get desire value but I don’t know that was not success. I get this value in my parsing result send = 8871.00 recv = 0.00 routingpkts = 682.00 PDF = 0.00 NRL = inf Average e-e delay(ms)= nan No. of dropped data (packets) = 322 No. of dropped data (bytes) = 171304 I am attach .tr file in my mail, please help me what’s wrong..? My awk script was wrong? or can you give me correct calculation with my out2.tr in my attachment ? What meaning of : NRL = inf Average e-e delay(ms)= nan --------------------------------- Bergabunglah dengan orang-orang yang berwawasan, di bidang Anda di Yahoo! Answers