[ns] IMS support in NS-2

2006-10-16 Thread Michael Sidiropoulos
Dear NS-2 users, I would like to know if there is any support for the 3GPP IP Multimedia Subsystem (IMS) in NS-2. If you know any implementation of IMS in any other simulation tool please let me know Thank you very much for your time, Yours sincerely. Michael Sidiropoulos

Re: [ns] segmentation fault(core dumped)

2006-02-14 Thread Michael Sidiropoulos
Hello Yaser, I think you have run out of memory. Try save some by disabling some trace options from your trace file( you can do that from your tcl script). Another suggestion would be to disable some packet headers Look for this at chapter 12 in the ns-2 manual as ns includes all packets headers

[ns] large delay values?

2006-01-18 Thread Michael Sidiropoulos
Hello ns-users, I have a question regarding the end to end delay in ns2 for a wireless simulation.What does it include?I am asking that because in my simulation i am getting large values of delay, to be more spesific it is about 4 seconds. Is it normal? I am measuring the average

[ns] setting contention window on each node

2006-01-16 Thread Michael Sidiropoulos
Good evening ns-users, Is there any idea on how i can set different contention window ranges (CWmin,CWmax) on each node? Can i do that from the tcl script with a particular command? Or do i have to modify any ns2 source code? I would be grateful if you could give me any advice or

[ns] simulation time in ns-2

2006-01-09 Thread Michael Sidiropoulos
Hello everyone!! I have a question regarding simulation time in ns-2 I am using ns-2.27 version and i have noticed that the calculated throughput in my wireless scenario changes as the simulation time increases.What simulation time should i set to my tcl script in order to