This is a simulator written in Tcl to simulate a network node carrying GSM and GPRS traffics with QoS mechanisms. The payload type including circuit-switched voice, VoIP and web traffic, and the performance including packet drop, delay can be analyzed. The implemented QoS mechanism is DiffServ, with 4 RED queues for different services with different priorities.

fullSim
.......\4q2p.tcl
.......\4q2pA.tcl
.......\4q2pA.tcl~
.......\all_Tx_Rx.out
.......\AppAvgDelay.pl
.......\AvBWActSess.tr
.......\Average.pl
.......\cac.tcl
.......\cac.tcl~
.......\diffnet.tcl
.......\diffnet.tcl~
.......\E2Edelay.sh
.......\ftpSess.tr
.......\httpDelay.out
.......\httpSess.tr
.......\monitoring.tcl
.......\monitoring.tcl~
.......\NRTsession_list.tr
.......\peer_setup.tcl
.......\peer_setup.tcl~
.......\qmon_bottleneck.mon
.......\result.txt
.......\result.txt~
.......\smon_exp.mon
.......\std_ave.awk
.......\topology.tcl
.......\tr_bottleneck.out
.......\videoDelay.out
.......\videoSess.tr
.......\voipDelay.out
.......\voipSess.tr

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