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Wireless Mesh Software Defined Network
License: GNU General Public License v3.0
This project forked from netgroup/wmsdn
Wireless Mesh Software Defined Network
License: GNU General Public License v3.0
====================================== Wireless Mesh Software Defined Network ====================================== A collection of scripts for running wireless mesh networks using OpenFlow/OpenvSwitch. http://netgroup.uniroma2.it/wmSDN/ Installation steps (tested on Ubuntu 12.04) ============================================ # install CORE: wget http://downloads.pf.itd.nrl.navy.mil/core/packages/4.5/core-daemon_4.5-0ubuntu1_precise_amd64.deb sudo dpkg -i core-daemon_4.5-0ubuntu1_precise_amd64.deb sudo apt-get install -f # get wmSDN sudo apt-get install git git clone https://github.com/netgroup/wmSDN.git cd wmSDN git submodule init git submodule update # build and install olsrd cd olsrd make && make libs sudo make install_libs cd .. # build openvswitch cd openvswitch sudo apt-get install automake libtool libssl-dev ./boot.sh ./configure make # build the kernel module ./configure --with-linux=/lib/modules/`uname -r`/build make sudo rmmod openvswitch sudo insmod ./datapath/linux/openvswitch.ko cd .. # prepare POX cd pox/ext ln -sv ../../controller/*.py . cd ../pox/openflow ln -s ../../../controller/other_modules/of_json.py . cd ../lib ln -s ../../../controller/other_modules/utill.py . cd ../../.. sudo apt-get install python-networkx # check that the directories in the scripts exist and # change them as needed. # e.g. change all occurrencies of /home/user to the home # directory of the current user grep openvswitch scripts/*.sh # install iperf apt-get install iperf # install NS3 cd ~ wget http://www.nsnam.org/release/ns-allinone-3.17.tar.bz2 tar xf ns-allinone-3.17.tar.bz2 cd ns-allinone-3.17/ sudo apt-get install build-essential sudo apt-get install gcc g++ python python-dev sudo apt-get install gsl-bin libgsl0-dev libgsl0ldbl sudo apt-get install vtun lxc sudo apt-get install flex bison libfl-dev sudo apt-get install tcpdump sudo apt-get install libxml2 libxml2-dev sudo apt-get install sqlite sqlite3 libsqlite3-dev ./build.py --enable-tests cd .. Usage ===== # start the emulation cd ~/ns-allinone-3.17/ns-3.17/ sudo ./waf shell cd ~/wmSDN/emulation cat coreconf.py #check the paths # start the actual emulation core-cleanup.sh && python -i ./ns3SDN.py -d 7200 # on another shell cd ~/wmSDN/emulation ./starthosts.sh && ./startovs.sh # now the emulation should be up and running # TOPOLOGY # -------- # (controller) # | # (server)---(n1) (n2) (n3) (n4) (gw6)-+ # | +---(client) # (gw5)--------------+ # # # to get into one of the nodes, e.g. n2 source bashrc corevcmd n2 # olsr writes into routing table 198 ip route show table 198 # see the flow table source .bashrc of_flows # monitor active flows of_watch_active_flows # get some flow table stats of_rule_stats # exit the node's shell exit # starting the controller cd ~/wmSDN/emulation source bashrc corevcmd controller cd ~/wmSDN/pox ./pox.py gw_switch_olsrd # PROGRESSIVE IPERF TEST # a new iperf flow starts every 20 seconds # from the client node to the server node # try with and without the controller running mkdir ~/iperftestresults cd ~/wmSDN/emulation # optionally enable TCP Reno sudo ./tcp_reno.sh ./progressive_iperf.sh ~/iperftestresults less ~/iperftestresults/iperf_s_11.log # GATEWAY FAILOVER TEST # two iperf flows are started, each flowing through a # different gateway. # Then, at t=180s one of the gateway fails and the # controller moves both flows to the running gateway. # At t=360s the gateway comes up again, and the controller # re-balances the flows through both gateways. # make sure the controller is running during the test. mkdir ~/failovertestresults cd ~/wmSDN/emulation # optionally enable TCP Reno sudo ./tcp_reno.sh ./failover_test.sh ~/failovertestresults less ~/failovertestresults/iperf_s_11.out less ~/faiolvertestresults/iperf_s_12.out Contacts ======== * wmSDN home page: http://netgroup.uniroma2.it/wmSDN/ * wmSDN mailing list: https://groups.google.com/forum/#!forum/wmsdn * Claudio Pisa <[email protected]>
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