1 /*! \page pls Packet level simulation
3 \htmlinclude .pls.doc.toc
5 It is possible to use a packet-level network simulator
6 instead of the default flow-based simulation. You may want to use such
7 an approach if you have doubts about the validity of the default model
8 or if you want to perform some validation experiments. At the moment,
9 we support the GTNetS simulator and since version 3.6.2, ns-3.
12 \section pls_simgrid_configuration_gtnets Using GTNetS
16 To enable GTNetS model inside SimGrid it is needed to patch the GTNetS simulator source code
17 and build/install it from scratch
20 - <b>Download and enter the recent downloaded GTNetS directory</b>
23 svn checkout svn://scm.gforge.inria.fr/svn/simgrid/contrib/trunk/GTNetS/
28 - <b>Use the following commands to unzip and patch GTNetS package to work within SimGrid.</b>
31 unzip gtnets-current.zip
32 tar zxvf gtnets-current-patch.tgz
34 cat ../00*.patch | patch -p1
37 - <b>OPTIONALLY</b> you can use a patch for itanium 64bit processor family.
40 cat ../AMD64-FATAL-Removed-DUL_SIZE_DIFF-Added-fPIC-compillin.patch | patch -p1
43 - <b>Compile GTNetS</b>
45 Due to portability issues it is possible that GTNetS does not compile in your architecture. The patches furnished in SimGrid SVN repository are intended for use in Linux architecture only. Unfortunately, we do not have the time, the money, neither the manpower to guarantee GTNetS portability. We advice you to use one of GTNetS communication channel to get more help in compiling GTNetS.
49 ln -sf Makefile.linux Makefile
55 - <b>NOTE</b> A lot of warnings are expected but the application should compile
56 just fine. If the makefile insists in compiling some QT libraries
57 please try a make clean before asking for help.
60 - <b>To compile optimized version</b>
67 - <b>Installing GTNetS</b>
69 It is important to put the full path of your libgtsim-xxxx.so file when creating the symbolic link. Replace < userhome > by some path you have write access to.
72 ln -sf /<absolute_path>/gtnets_current/libgtsim-debug.so /<userhome>/usr/lib/libgtnets.so
73 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/<userhome>/usr/lib/libgtnets.so
74 mkdir /<userhome>/usr/include/gtnets
75 cp -fr SRC/*.h /<userhome>/usr/include/gtnets
79 - <b>Enable GTNetS support in SimGrid</b>
81 In order to enable gtnets with simgrid you have to give where is gtnets. (path to \<gtnets_path\>/lib and \<gtnets_path\>/include)
84 cmake . -Denable_gtnets=ON -Dgtnets_path=/<userhome>/usr
87 - <b>Once you have followed all the instructions for compiling and
88 installing successfully you can activate this feature at
89 runntime with the following options:</b>
98 - <b>Or try the GTNetS model dogbone example with</b>
101 gtnets/gtnets gtnets/onelink-p.xml gtnets/onelink-d.xml --cfg=network_model:GTNets
105 A long version of this <a href="http://gforge.inria.fr/docman/view.php/12/6283/GTNetS HowTo.html">HowTo</a> it is available
108 More about GTNetS simulator at <a href="http://www.ece.gatech.edu/research/labs/MANIACS/GTNetS/index.html">GTNetS Website</a>
112 The patches provided by us worked successfully with GTNetS found
113 <a href="http://www.ece.gatech.edu/research/labs/MANIACS/GTNetS/software/gtnets-current.zip">here</a>,
114 dated from 12th June 2008. Due to the discontinuing development of
115 GTNetS it is impossible to precise a version number. We STRONGLY recommend you
116 to download and install the GTNetS version found in SimGrid repository as explained above.
118 \section pls_simgrid_configuration_ns3 Using NS3
120 It is possible to use discrete-event network simulator <a href="http://www.nsnam.org/">(ns-3)</a> for Internet systems
121 instead of the default one.
123 A ns-3 platform is created according to the platform file you provide in SimGrid format. However from this configuration, we had to set up some extra parameters :
127 First, whenever possible, we let default ns3 values and we don't changed it ; in case you have doubts on values for those parameters (TCP parameters for example), blame ns-3...
131 Second, routing used inside ns-3 is a global and static one, relying on a shortest path algorithm. We did so by using ns3::Ipv4GlobalRoutingHelper::PopulateRoutingTables.
135 Third, we also choose to restrict the way your platform is built : end hosts cannot have more than one interface card (so, only one <link> in your SimGrid platform should link
136 an end host to the platform ; if not, your end host will be considered as a router.
141 To use ns3 model inside SimGrid you have to install at least the version 3.10 of ns3 simulator.
144 - <b>Download and enter the lateast release (here the 3.12.1)</b>
147 http://www.nsnam.org/release/ns-allinone-3.12.1.tar.bz2
148 tar -xf ns-allinone-3.12.1.tar.bz2
149 cd ns-allinone-3.12.1/ns-3.12.1/
152 - <b>Configure, make and install ns3</b>
155 ./waf configure --prefix="ns-3_install_directory"
160 After install ns-3 you should have directories into your "ns-3_install_directory":
165 You also need to add to the LD_LIBRARY_PATH : "ns-3_install_directory/lib".
167 - <b>Enable ns-3 support on SimGrid</b>
169 In order to enable ns-3 with simgrid you have to give where is ns-3 to the simgrid configuration command. (path to \<ns3_path\>/lib and \<ns3_path\>/include)
172 cmake . -Denable_ns3=ON -Dns3_path=<ns3_path>
175 With the output of the configuration you can see if ns-3 is detected by included the directory to flags.
178 Configuration of package `simgrid' on arch (=4):
180 SITE : Linux_2.6.38-11-generic_x86_64
181 Release : simgrid-3.6.1
183 Compiler: c++ : /usr/bin/c++
185 Compiler: c : /usr/bin/gcc
188 CFlags : -O3 -finline-functions -funroll-loops -fno-strict-aliasing -L/usr/lib/x86_64-linux-gnu -I/usr/include
189 -L/home/navarrop/Install/ns3-3.10/lib -I/home/navarrop/Install/ns3-3.10/include -g3 -D_NS3_3_10
190 CPPFlags: -I/home/navarrop/Install/ns3-3.10/include -L/home/navarrop/Install/ns3-3.10/lib
193 Compile NS-3 : 1 ---------------------> Be sure this option is "1" otherwise ns-3 is not activated
195 NS-3 path : /home/navarrop/Install/ns3-3.10
209 Simgrid dependencies: -lm -lpcre -lpthread -lns3 -lrt
210 Gras dependencies : -lm -lpthread -lrt
213 INSTALL_PREFIX: /usr/local
216 -- Build files have been written to: /home/navarrop/workspace/simgrid/build
219 Now you can compile SimGrid
224 Then you can see if ns-3 is well activated by testing
231 Start 182: msg-ns3-thread
232 1/3 Test #182: msg-ns3-thread ................... Passed 0.35 sec
233 Start 183: msg-ns3-ucontext
234 2/3 Test #183: msg-ns3-ucontext ................. Passed 0.22 sec
235 Start 184: msg-ns3-raw
236 3/3 Test #184: msg-ns3-raw ...................... Passed 0.23 sec
239 More about ns-3 simulator <a href="http://www.nsnam.org/">(Official website)</a>