diff --git a/TestON/dependencies/loadgen_SB.py b/TestON/dependencies/loadgen_SB.py
new file mode 100755
index 0000000..cfd2adf
--- /dev/null
+++ b/TestON/dependencies/loadgen_SB.py
@@ -0,0 +1,117 @@
+#!/usr/bin/python
+
+"""
+This example shows how to create an empty Mininet object
+(without a topology object) and add nodes to it manually.
+"""
+import sys
+import subprocess
+import time
+from mininet.net import Mininet
+from mininet.node import Controller
+from mininet.cli import CLI
+from mininet.log import setLogLevel, info
+
+swlist = []
+hostlist= []
+count = 0 
+
+def createSwPorts(numsw, numport):
+
+    "Create an empty network and add nodes to it."
+
+    net = Mininet()
+    swlist = []
+    hostlist= []
+    print ("Starting Mininet Network....")
+    for i in range(numsw):
+        sw = net.addSwitch( 's' + str(i), dpid = ('00000000000000' + '%0d'%i))
+        print str(sw),
+        for p in range(numport):
+            host = net.addHost("s"+str(i)+"h"+str(p))
+            hostlist.append(host)
+            print str(host),
+            net.addLink(host,sw)
+        swlist.append(sw)
+
+            
+    info( '*** Starting network\n')
+    net.start()
+
+    return swlist
+
+def loadsw(urllist, swlist, addrate, delrate, duration):
+    global numport
+    urlindex = 0
+    count = 0
+    addsleeptimer = 1.000 /addrate
+    delsleeptimer = 1.000/delrate
+    print (" Add sleeptimer: " + str('%.3f' %addsleeptimer) + "; Delete sleeptimer: " + str('%.3f' %delsleeptimer))
+    print str(swlist)
+ 
+    tstart = time.time()
+    while ( (time.time() - tstart) <= duration ):
+        #print (time.time() - tstart)
+        astart = time.time()
+        for sw in swlist:
+            if urlindex < len(urllist):
+                i = urlindex
+            else:
+                i = 0
+                urlindex = 0
+        
+            ovscmd = "sudo ovs-vsctl set-controller " + str(sw) + " tcp:" + urllist[i]
+            print ("a"),
+            s = subprocess.Popen(ovscmd, shell=True )
+            time.sleep(addsleeptimer)
+            count += 1
+            urlindex += 1
+        aelapse = time.time() - astart
+        print ("Number of switches connected: " + str(len(swlist)) + " in: " + str('%.3f' %aelapse) + "seconds.")
+
+        dstart = time.time()
+        for sw in swlist:
+            ovscmd = "sudo ovs-vsctl set-controller " + str(sw) + " tcp:127.0.0.1:6633"
+            print ("d"),
+            s = subprocess.Popen(ovscmd, shell=True )
+            time.sleep(delsleeptimer)
+            count += 1
+        delapse = time.time() - dstart
+        print ("Number of switches disconnected: " + str(len(swlist)) + " in: " + str('%.3f' %delapse) + "seconds.")
+    telapse = time.time() - tstart
+    
+    return telapse, count
+def cleanMN():
+    print ("Cleaning MN switches...")
+    s = subprocess.Popen("sudo mn -c > /dev/null 2>&1", shell=True)
+    print ("Done.")
+
+def main():
+    import argparse
+    import threading
+    from threading import Thread
+
+    parser = argparse.ArgumentParser(description="less script")
+    parser.add_argument("-u", "--urls", dest="urls", default="10.128.10.1", type=str, help="a string to show urls to post intents to separated by space, ex. '10.128.10.1:6633 10.128.10.2:6633' ")
+    parser.add_argument("-s", "--switches", dest="numsw", default=100, type=int, help="number of switches use in the load generator; together with the ports per switch config, each switch generates (numport + 2) events")
+    parser.add_argument("-p", "--ports", dest="numport", default=1, type=int, help="number of ports per switches")
+    parser.add_argument("-a", "--addrate", dest="addrate", default=10, type=float, help="rate to add intents groups, groups per second")
+    parser.add_argument("-d", "--delrate", dest="delrate", default=100, type=float, help= "rate to delete intents, intents/second")
+    parser.add_argument("-l", "--testlength", dest="duration", default=0, type=int, help= "pausing time between add and delete of intents")
+    args = parser.parse_args()
+
+    urllist = args.urls.split()
+    numsw = args.numsw
+    numport = args.numport
+    addrate = args.addrate
+    delrate = args.delrate
+    duration = args.duration
+    setLogLevel( 'info' )
+    swlist = createSwPorts(numsw,numport)
+    telapse,count = loadsw(urllist, swlist, addrate, delrate, duration)
+    print ("Total number of switches connected/disconnected: " + str(count) + "; Total events generated: " + str(count * (2 + numport)) + "; Elalpse time: " + str('%.1f' %telapse))
+    print ("Effective aggregated loading is: " + str('%.1f' %((( count * (2+ numport))) / telapse ) ) + "Events/s.")
+    cleanMN()
+
+if __name__ == '__main__':
+    main()