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WeightedroundRobin

+import pox.openflow.libopenflow_01 as of
+import pox.lib.packet as pkt
+from pox.lib.packet import *
+import random
+
+
+log = core.getLogger()
+s1_dpid = 0
+
+value = random.randint(1, 10000)
+
+def launch ():
+    def _handle_ConnectionUp(event):
+    def _handle_PacketIn(self, event):
+
+
+def portAssign(val):
+
+    server = 0
+
+    if val <= 5000:
+        server = 1
+    elif val <= 8000:
+        server = 2
+    elif val <= 10000:
+        server = 3
+
+    return server
+
+
+def _handle_ConnectionUp(event):
+    global s1_dpid, s2_dpid, s3_dpid
+    print "ConnectionUp: ", dpidToStr(event.connection.dpid)
+
+def _handle_PacketIn (self, event):
+    global s1_dpid
+    print
+    "PacketIn: ", dpidToStr(event.connection.dpid)
+
+    if event.connection.dpid == s1_dpid:
+        packet = event.parsed
+        msg = of.ofp_flow_mod()
+        msg.actions.append(of.ofp_action_output(port=portAssign(value)))
+        event.connection.send(msg)
+
+
+
+
+
+
+
+