How can We modify ttl.cc file in NS2 (Network simulator) for Packet marking.??

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Imed Romdhani

Hope this report will help to unlock your problem:

http://sci.tamucc.edu/~cams/projects/407.pdf

Another code with a marking scheme for QoS purpose : http://www.cs.technion.ac.il/Courses/Computer-Networks-Lab/projects/spring2008/WRED1/Final%20Submission/final.html

Good luck !

R. Kourdy

there is an example in ns2-doc

M. Joseph Auxilius Jude

Dear Sukhwinder Singh

You have to modify the following file

ip.h (to include your congestion notification field in IP header)

flag.h (to include your flag in TCP header)

tcp.h and tcp.cc (for congestion control algorithm to respond)