diff --git a/bandwidthSim.py b/bandwidthSim.py
new file mode 100644
index 0000000..840f783
--- /dev/null
+++ b/bandwidthSim.py
@@ -0,0 +1,59 @@
+import random
+import time
+
+class Config:
+
+    def __init__(self):
+        self.networkSize = 100
+        self.networkDegree = 8
+        self.badBoy = 66
+        self.builders = [12, 26]
+        self.nbSlots = 10
+
+class Node:
+
+    def __init__(self, config):
+        self.peers = []
+        self.speed = random.randint(0, 10)
+        self.networkDegree = config.networkDegree
+        self.networkSize = config.networkSize
+        for i in range(self.networkDegree):
+            self.peers.append(random.randint(0, self.networkSize-1))
+
+def executeSlot(config, nodes):
+
+    pastBorder = []
+    currentBorder = []
+    for b in config.builders:
+        currentBorder.append(b)
+    while(True):
+        #print("Current border size: " + str(len(currentBorder)))
+        #print("Past border size: " + str(len(pastBorder)))
+        #print("Nodes size: " + str(len(nodes)))
+        for nodeID in currentBorder:
+            for peer in nodes[nodeID].peers:
+                if peer not in pastBorder and peer not in currentBorder:
+                    currentBorder.append(peer)
+            pastBorder.append(nodeID)
+            currentBorder.remove(nodeID)
+        if len(pastBorder) == len(nodes):
+            break
+        #time.sleep(1)
+    return 0
+
+def sim():
+
+    config = Config()
+    nodes = []
+
+    for i in range(config.networkSize):
+        nodes.append(Node(config))
+
+    for i in range(config.networkSize):
+        print("My speed is "+ str(nodes[i].speed))
+        print("My peers are "+ str(nodes[i].peers))
+
+    for slot in range(config.nbSlots):
+        executeSlot(config, nodes)
+        print("Slot finished: "+ str(slot))
+sim()