[ns] Data center workload

2014-02-20 Thread Andreas Andreou
Hey, I am trying to implement a simulation for a data center to compare the TCP, DCTCP and MPTCP protocol and while I am still at the very early stages - I have just finished writing the code to generate the topology which is a clos fat-tree with the number of ports as a variable deciding the

[ns] Data center workload

2014-02-20 Thread Andreas Andreou
Hey, I am trying to implement a simulation for a data center to compare the TCP, DCTCP and MPTCP protocol and while I am still at the very early stages - I have just finished writing the code to generate the topology which is a clos fat-tree with the number of ports as a variable deciding the si

[ns] Do I need both nam file and trace file?

2014-04-11 Thread Andreas Andreou
I am running simulations for my project and I have both nam files (/namtrace-all/) and trace files (/trace-all/) recording. The namfile ends up in the order of ~15GB for 5 sec of simulation and the trace files in the order of ~5GB. My question is do I need both or can I just choose one. I know

Re: [ns] Do I need both nam file and trace file?

2014-04-11 Thread Andreas Andreou
he nam file, I have used just for see what happen graphically. > > So, analyzing ".tr" file you can accomplish you want to do. > > Regards. > > > 2014-04-11 11:47 GMT-05:00 Andreas Andreou <mailto:vhf_and...@yahoo.gr>>: > > > I am runni

[ns] Calculating throughput and queue size for datacenter

2014-04-20 Thread Andreas Andreou
I am doing a simulation on ns-2 for a datacenter network and I just realised that I am not sure how exactly I would go to calculate the network throughput. I know that to calculate throughput over a link I would first trace the last hop link, add the received packet sizes for the correct sour

[ns] Throughput, monitoring

2014-05-02 Thread Andreas Andreou
hroughput using monitor-queue as well, it would probably really limit the disk usage and I am guessing less writings to files should also improve performance but I am not sure something might be lost if I don't have the trace. Andreas Andreou --- This email is free from viruses and malware

[ns] Multipath routing

2014-05-12 Thread Andreas Andreou
So I am trying to run a simulation using the MPTCP protocol in a data center but rtProto DV is not working; produces an error, I am guessing the implementations doesn't have support for it and I can't figure out what to change so it works. For anyone interested that might have an idea this is