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Showing posts from September, 2012

Installing ns-3.37 and ns-3.35 in Ubuntu | Ubuntu 22.04 | NS3

Multiple Versions of ns3 in Ubuntu 22.04 In this post, we are going to install two versions of ns3 namely ns-3.35 and ns-3.37  My OS is : Ubuntu 22.04 LTS (Long Term Support) ns-3.35 uses waf and (./waf --run scratch/first)  ns-3.37 uses cmake  (./ns3 run scratch/first.cc) So we will install both the packages  Go through the video for complete instructions To start with  $ sudo apt update  $ sudo apt install build-essential autoconf automake libxmu-dev g++ python3 python3-dev pkg-config sqlite3 cmake python3-setuptools git qtbase5-dev qtchooser qt5-qmake qtbase5-dev-tools gir1.2-goocanvas-2.0 python3-gi python3-gi-cairo python3-pygraphviz gir1.2-gtk-3.0 ipython3 openmpi-bin openmpi-common openmpi-doc libopenmpi-dev autoconf cvs bzr unrar gsl-bin libgsl-dev libgslcblas0 wireshark tcpdump sqlite sqlite3 libsqlite3-dev  libxml2 libxml2-dev libc6-dev libc6-dev-i386 libclang-dev llvm-dev automake python3-pip libxml2 libxml2-dev libboost-all-dev  I have downloaded both the versions of ns3 fr
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Wireless Node Configuration in Network Simulator 2 (NS2)

The node configuration in ns2 is a special task in which the number of nodes can be configured for a set of parameters. The following table tells about the node  configuration parameters as defined in the ns-lib.tcl The readers are requested to refer the ns-lib.tcl file for more information. Option Available Values Remarks addressType flat, hierarchichal   MPLS ON,OFF Multi protocol Label Switching wiredRouting ON, OFF   llType LL, LL/Sat Link Layer macType Mac/802_11, Mac/Csma/Ca, Mac/Sat, Mac/Sat/UnslottedAloha, Mac/Tdma Medium Access Control ifqType Queue/DropTail, Queue/DropTail/PriQueue Interface Queue type phyType Phy/wirelessPhy, Phy/Sat Physical Layer Type adhocRouting DIFFUSION/RATE, DIFFUSION/PROB, DSDV, DSR, FLOODING, OMNIMCAST,AODV,TORA,PUMA adhoc routing protocol propType Propagation/TwoRayGround, Propagation/Shadowing Propagation Type antType Antenna/OmniAntenna, Antenna type Channel Channel/WirelessChannel, Channel/Sat C
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Tracegraph - a graphing software to plot the trace files from NS2

Tracegraph is a third party software helps in plotting the graphs for NS2 and other networking simulation softwares. But the sad point is the software is not maintained by anyone and the happiest point is the software works fine still and it is free.  You may download the tracegraph software from these locations. For windows:  https://dl.dropbox.com/u/24623828/tracegraph202.rar For Linux :  https://dl.dropbox.com/u/24623828/tracegraph202linux.tar.gz https://dl.dropbox.com/u/24623828/mglinstaller.gz There are actually two files one with the matlab runtime library file and other is the original software tracegraph. Tracegraph when opened, it opens 3 windows,  one window to select the trace file (.tr) that was created by NS2 (depending on the size of the trace file , the processing time also varies) Second window is the main window in which you can see the graphs for various performance characteristics like throughput, End to End Delay, jitter, etc in 2D and 3D facillity. Even it can plo
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proc directory in Linux

If by any chance, if you want to know about the processor, memory, IO Memory, Ports, etc about the system/CPU. Then you can look into the folder /proc in Linux. There are various files that tells you the information about the CPU. Some Examples if you want to know about the CPU Information, go to the terminal and try this # cat /proc/cpuinfo For memory information # cat /proc/meminfo For IO Memory information # cat /proc/iomem if you want to see how long the system is up can be seen using the file uptime # cat /proc/uptime (The above will list two numbers, one being the uptime of the system and other being uptime for all the cores of the processor) and other information like scheduling, filesystems, etc can be seen from the /proc folder
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