diff --git a/convergence/filemonitor_convergence.py b/convergence/filemonitor_convergence.py
new file mode 100644
index 0000000..8a74255
--- /dev/null
+++ b/convergence/filemonitor_convergence.py
@@ -0,0 +1,60 @@
+import sys
+import time
+import logging
+from watchdog.observers import Observer
+from watchdog.events import FileSystemEventHandler
+import os
+class NewSnapshotEventHandler(FileSystemEventHandler):
+    def __init__(self):
+        self.flow1_start = False
+        self.flow2_start = False
+
+    def on_modified(self, event):
+        if event.is_directory is True:
+            return
+        with open("./parameters_convergence.txt", "r") as f:
+            param = f.read()
+            lines = param.split("\n")
+            for line in lines:
+#                if line == "reset":
+#                    os.system("ssh -t -t -o StrictHostKeyChecking=no modong2@sender1.demopair3.UIUCScheduling.emulab.net \"killall appclient && echo "">/local/rate_pcc\"")
+#                    os.system("ssh -t -t -o StrictHostKeyChecking=no modong2@sender2.demopair3.UIUCScheduling.emulab.net \"killall appclient && echo "">/local/rate_pcc\"")
+#                    os.system("ssh -t -t -o StrictHostKeyChecking=no modong2@sender1.demopair4.UIUCScheduling.emulab.net \"killall iperf && echo ""> /local/rate_tcp\"")
+#                    os.system("ssh -t -t -o StrictHostKeyChecking=no modong2@sender2.demopair4.UIUCScheduling.emulab.net \"killall iperf && echo ""> /local/rate_tcp\"")
+#                    return
+                if line != "":
+                    flow_name = line.split(" ")[0]
+                    action = line.split(" ")[1]
+                    if flow_name == "flow1":
+                        if self.flow1_start and action == "stop":
+                            os.system("ssh -t -t -o StrictHostKeyChecking=no modong2@sender1.demopair3.UIUCScheduling.emulab.net \"killall appclient\"")
+                            os.system("ssh -t -t -o StrictHostKeyChecking=no modong2@sender1.demopair4.UIUCScheduling.emulab.net \"killall iperf\"")
+                            self.flow1_start = False
+                        if not self.flow1_start and action == "start":
+                            os.system("ssh -t -t -o StrictHostKeyChecking=no modong2@sender1.demopair3.UIUCScheduling.emulab.net \"~/demo_run_pcc_convergence.sh 3 &\"")
+                            os.system("ssh -t -t -o StrictHostKeyChecking=no modong2@sender1.demopair4.UIUCScheduling.emulab.net \"~/demo_run_tcp_convergence.sh 3 &\"")
+                            self.flow1_start = True
+                    if flow_name == "flow2":
+                        if self.flow2_start and action == "stop":
+                            os.system("ssh -t -t -o StrictHostKeyChecking=no modong2@sender2.demopair3.UIUCScheduling.emulab.net \"killall appclient\"")
+                            os.system("ssh -t -t -o StrictHostKeyChecking=no modong2@sender2.demopair4.UIUCScheduling.emulab.net \"killall iperf\"")
+                            self.flow2_start = False
+                        if not self.flow2_start and action == "start":
+                            os.system("ssh -t -t -o StrictHostKeyChecking=no modong2@sender2.demopair3.UIUCScheduling.emulab.net \"~/demo_run_pcc_convergence.sh 4 &\"")
+                            os.system("ssh -t -t -o StrictHostKeyChecking=no modong2@sender2.demopair4.UIUCScheduling.emulab.net \"~/demo_run_tcp_convergence.sh 4 &\"")
+                            self.flow2_start = True
+
+
+if __name__ == "__main__":
+    path = '.'
+    event_handler = NewSnapshotEventHandler()
+    observer = Observer()
+    observer.daemon = True
+    observer.schedule(event_handler, path, recursive=False)
+    observer.start()
+    try:
+        while True:
+            time.sleep(1)
+    except KeyboardInterrupt:
+        observer.stop()
+    observer.join()
diff --git a/convergence/live_plot_pcc_tcp_convergence.py b/convergence/live_plot_pcc_tcp_convergence.py
new file mode 100644
index 0000000..d363f41
--- /dev/null
+++ b/convergence/live_plot_pcc_tcp_convergence.py
@@ -0,0 +1,111 @@
+import matplotlib.pyplot as plt
+import copy
+import matplotlib.animation as animation
+import time
+import os
+
+f, axarr = plt.subplots(2, 1, sharey=True, sharex=True)
+
+base_time_line = -1
+which_flow = 0
+
+time_offset = {}
+base_line = {}
+base_line["rate_tcp1"] = -1
+base_line["rate_tcp2"] = -1
+base_line["rate_pcc1"] = -1
+base_line["rate_pcc1"] = -1
+dataArray = {}
+
+def greater(a,b):
+    if a == -1:
+        return True
+    if b == -1:
+        return False
+    return a>b
+
+def animate_together(i):
+    os.system("scp modong2@sender1.demopair3.uiucscheduling.emulab.net:/local/rate_pcc /home/mo/pcc/convergence/rate_pcc1")
+    os.system("scp modong2@sender2.demopair3.uiucscheduling.emulab.net:/local/rate_pcc /home/mo/pcc/convergence/rate_pcc2")
+    os.system("scp modong2@sender1.demopair4.uiucscheduling.emulab.net:/local/rate_tcp /home/mo/pcc/convergence/rate_tcp1")
+    os.system("scp modong2@sender2.demopair4.uiucscheduling.emulab.net:/local/rate_tcp /home/mo/pcc/convergence/rate_tcp2")
+
+    pullData_tcp1 = open("rate_tcp1", "r")
+    line = pullData_tcp1.readline()
+    if line != "":
+        base_line["tcp1"] = int(line)
+
+    for k in range(6):
+        pullData_tcp1.readline()
+    dataArray["tcp1"] = pullData_tcp1.read().split("\n")
+    pullData_tcp1.close()
+
+    pullData_tcp2 = open("rate_tcp2", "r")
+    line = pullData_tcp2.readline()
+    if line != "":
+        base_line["tcp2"] = int(line)
+
+    for k in range(6):
+        pullData_tcp2.readline()
+    dataArray["tcp2"] = pullData_tcp2.read().split("\n")
+    pullData_tcp2.close()
+
+    pullData_pcc1 = open("rate_pcc1", "r")
+    line = pullData_pcc1.readline()
+    if line != "":
+        base_line["pcc1"] = int(line)
+    dataArray["pcc1"] = pullData_pcc1.read().split("\n")
+    pullData_pcc1.close()
+
+
+    pullData_pcc2 = open("rate_pcc2", "r")
+    line = pullData_pcc2.readline()
+    if line != "":
+        base_line["pcc2"] = int(line)
+    dataArray["pcc2"] = pullData_pcc2.read().split("\n")
+    pullData_pcc2.close()
+    base_point = -1
+
+    for flow in base_line:
+        if greater(base_point, base_line[flow]):
+            base_point = base_line[flow]
+
+    time_offset= copy.deepcopy(base_line)
+    for flow in time_offset:
+        time_offset[flow] = time_offset[flow] - base_point
+
+    axarr[1].clear()
+    axarr[1].set_xlabel("Time (s)")
+    axarr[1].set_ylabel("Throughput (Mbit/s)")
+    axarr[0].set_title("TCP convergence demo")
+    axarr[0].clear()
+    axarr[0].set_xlabel("Time (s)")
+    axarr[0].set_ylabel("Throughput (Mbit/s)")
+    axarr[0].set_title("PCC convergence demo")
+
+    for flow in dataArray:
+        xar = []
+        yar = []
+        if flow == "tcp1" or flow == "tcp2":
+            for eachLine in dataArray[flow]:
+                if eachLine != "":
+                    tmp = eachLine.split(" ")
+                    y = tmp[len(tmp)-2]
+                    yar.append(float(y))
+            for k in range(len(dataArray[flow])-1):
+                xar.append(k+time_offset[flow])
+            axarr[1].plot(xar, yar)
+        else:
+            for eachLine in dataArray[flow]:
+                if eachLine != "":
+                    x, y = eachLine.split(' ')
+                    xar.append(float(x) + time_offset[flow])
+                    yar.append(float(y))
+            axarr[0].plot(xar, yar)
+
+
+ani = animation.FuncAnimation(f, animate_together, interval=2000)
+f.set_size_inches(8,6)
+mng = plt.get_current_fig_manager()
+plt.show()
+mng.frame.Maximize(True)
diff --git a/convergence/parameters_convergence.txt b/convergence/parameters_convergence.txt
new file mode 100644
index 0000000..d056d30
--- /dev/null
+++ b/convergence/parameters_convergence.txt
@@ -0,0 +1,3 @@
+flow1 stop
+flow2 stop
+
diff --git a/convergence/reset_convergence.py b/convergence/reset_convergence.py
new file mode 100755
index 0000000..ab2f31c
--- /dev/null
+++ b/convergence/reset_convergence.py
@@ -0,0 +1,8 @@
+ssh -t -t -o StrictHostKeyChecking=no modong2@sender1.demopair3.UIUCScheduling.emulab.net "killall appclient"
+ssh -t -t -o StrictHostKeyChecking=no modong2@sender1.demopair3.UIUCScheduling.emulab.net "rm /local/rate_pcc && touch /local/rate_pcc"
+ssh -t -t -o StrictHostKeyChecking=no modong2@sender2.demopair3.UIUCScheduling.emulab.net "killall appclient"
+ssh -t -t -o StrictHostKeyChecking=no modong2@sender2.demopair3.UIUCScheduling.emulab.net "rm /local/rate_pcc && touch /local/rate_pcc"
+ssh -t -t -o StrictHostKeyChecking=no modong2@sender1.demopair4.UIUCScheduling.emulab.net "killall iperf"
+ssh -t -t -o StrictHostKeyChecking=no modong2@sender1.demopair4.UIUCScheduling.emulab.net "rm /local/rate_tcp && touch /local/rate_tcp"
+ssh -t -t -o StrictHostKeyChecking=no modong2@sender2.demopair4.UIUCScheduling.emulab.net "killall iperf"
+ssh -t -t -o StrictHostKeyChecking=no modong2@sender2.demopair4.UIUCScheduling.emulab.net "rm /local/rate_tcp && touch /local/rate_tcp"
diff --git a/demo_start_receiver_convergence.sh b/demo_start_receiver_convergence.sh
new file mode 100755
index 0000000..f535057
--- /dev/null
+++ b/demo_start_receiver_convergence.sh
@@ -0,0 +1,9 @@
+for i in {1..4..1}
+do
+    for j in {3..4..1}
+    do
+ssh -t -t -o StrictHostKeyChecking=no modong2@receiver$i.demopair$j.uiucscheduling.emulab.net "killall iperf"
+ssh -t -t -o StrictHostKeyChecking=no modong2@receiver$i.demopair$j.uiucscheduling.emulab.net "~/demo_receiver_run.sh &"
+ssh -t -t -o StrictHostKeyChecking=no modong2@receiver$i.demopair$j.uiucscheduling.emulab.net "nohup python ~/run_iperf.py &"
+done
+done