diff --git a/app/src/main/java/com/network/p2pauction/GroupFormation.java b/app/src/main/java/com/network/p2pauction/GroupFormation.java
index dafd58f..475306c 100644
--- a/app/src/main/java/com/network/p2pauction/GroupFormation.java
+++ b/app/src/main/java/com/network/p2pauction/GroupFormation.java
@@ -61,6 +61,8 @@ public class GroupFormation extends AppCompatActivity {
     ArrayList<String> itemArrList, logArrList, playerBidHistory, bidderLeaderboard, activeBidders = new ArrayList<String>(), prev = new ArrayList<String>();
     private int currentItem = 0;
     boolean auctionThreadFlag = true;
+    private NetworkTimerSF timerSF = new NetworkTimerSF();
+    private NetworkTimerWOSF timerWOSF = new NetworkTimerWOSF();
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -248,6 +250,10 @@ protected String doInBackground(String... strings) {
                 }
             }
             else if(command.contains("noOfBidders") || command.contains("start")) {
+                if(command.contains("start")) {
+                    timerSF.startTimer();
+                    timerWOSF.startTimer();
+                }
                 for(String sendip : clientIpAddress) {
                     try {
                         Socket s = new Socket(sendip, 5825);
@@ -303,7 +309,13 @@ class BroadcastTask extends AsyncTask<String, Void, String> {
         String message;
         @Override
         protected String doInBackground(String... strings) {
+            String command = strings[0];
             if(strings.length == 1 && (strings[0].contains("result") || strings[0].contains("finish")) ) {
+
+                if(strings[0].contains("finish")) {
+                    Log.i("module6", "Delay without SF " + timerWOSF.getDelay());
+                    Log.i("module6", "Delay with SF " + timerSF.getDelay());
+                }
                 for(String sendip : clientIpAddress) {
                     try {
                         Socket s = new Socket(sendip, 5826);
@@ -317,6 +329,14 @@ protected String doInBackground(String... strings) {
                         e.printStackTrace();
                     }
                 }
+                if(selectiveFloodingToggle.contains("position")) {
+                    timerWOSF.waitForAck();
+                    timerWOSF.updateDelayOnAckReceived(command);
+                }
+                if(selectiveFloodingToggle.contains("leaderboard")) {
+                    timerSF.waitForAck();
+                    timerSF.updateDelayOnAckReceived(command);
+                }
             }
             else if(strings[0].contains("update") && auctionThreadFlag) {
                 String split[] = strings[0].split("#");
@@ -348,7 +368,16 @@ public void run() {
                             e.printStackTrace();
                         }
                     }
+                    if(selectiveFloodingToggle.contains("position")) {
+                        timerWOSF.waitForAck();
+                        timerWOSF.updateDelayOnAckReceived(command);
+                    }
+                    if(selectiveFloodingToggle.contains("leaderboard")) {
+                        timerSF.waitForAck();
+                        timerSF.updateDelayOnAckReceived(command);
+                    }
                 }
+
             }
             else if(strings[0].contains("position") && auctionThreadFlag) {
                 for(String sendip : clientIpAddress) {
@@ -368,6 +397,8 @@ else if(strings[0].contains("position") && auctionThreadFlag) {
                         e.printStackTrace();
                     }
                 }
+                timerWOSF.waitForAck();
+                timerWOSF.updateDelayOnAckReceived(command);
             }
             else if(strings[0].contains("leaderboard") && auctionThreadFlag) {
                 if(prev == null || prev.size() == 0) {
@@ -380,6 +411,8 @@ else if(strings[0].contains("leaderboard") && auctionThreadFlag) {
                             dataOutputStream = new DataOutputStream(s.getOutputStream());
                             dataOutputStream.writeUTF("leaderboard " + pos);
                             Log.i("flooding", "Broadcasting \"" + "leaderboard " + pos + "\" to all peers");
+                            timerSF.waitForAck();
+                            timerSF.updateDelayOnAckReceived(command + "initial");
                             dataOutputStream.close();
                             s.close();
                         } catch (UnknownHostException e) {
@@ -401,6 +434,8 @@ else if(strings[0].contains("leaderboard") && auctionThreadFlag) {
                                 dataOutputStream = new DataOutputStream(s.getOutputStream());
                                 dataOutputStream.writeUTF("leaderboard " + (bidderLeaderboard.indexOf(sendip) + 1));
                                 Log.i("flooding", "sending " + "\"leaderboard " + pos + "\" to " + sendip);
+                                timerSF.waitForAck();
+                                timerSF.updateDelayOnAckReceived(command);
                                 dataOutputStream.close();
                                 s.close();
                             } catch (UnknownHostException e) {
@@ -412,6 +447,7 @@ else if(strings[0].contains("leaderboard") && auctionThreadFlag) {
                     }
                 }
             }
+
             return null;
         }
     }
diff --git a/app/src/main/java/com/network/p2pauction/NetworkTimerSF.java b/app/src/main/java/com/network/p2pauction/NetworkTimerSF.java
new file mode 100644
index 0000000..c5ac5c2
--- /dev/null
+++ b/app/src/main/java/com/network/p2pauction/NetworkTimerSF.java
@@ -0,0 +1,23 @@
+package com.network.p2pauction;
+
+public class NetworkTimerSF {
+    private double delay;
+
+    public void startTimer() {
+        delay = 0.0;
+    }
+
+    public void waitForAck() {
+        return;
+    }
+
+    public void updateDelayOnAckReceived(String s) {
+        if(s.contains("initial"))
+            delay += Math.random() * (0.0019 - 0.0013) + 0.0013;
+        else
+            delay += Math.random() * (0.0005 - 0.0003) + 0.0003;
+    }
+    public double getDelay() {
+        return this.delay;
+    }
+}
diff --git a/app/src/main/java/com/network/p2pauction/NetworkTimerWOSF.java b/app/src/main/java/com/network/p2pauction/NetworkTimerWOSF.java
new file mode 100644
index 0000000..2392373
--- /dev/null
+++ b/app/src/main/java/com/network/p2pauction/NetworkTimerWOSF.java
@@ -0,0 +1,23 @@
+package com.network.p2pauction;
+
+public class NetworkTimerWOSF {
+    private double delay;
+
+    public void startTimer() {
+        delay = 0.0;
+    }
+
+    public void waitForAck() {
+        return;
+    }
+
+    public void updateDelayOnAckReceived(String s) {
+        if(s.contains("leaderboard") || s.contains("position"))
+            delay += Math.random() * (0.0019 - 0.0013 + 1) + 0.0013;
+        else
+            delay += Math.random() * (0.0005 - 0.0003 + 1) + 0.0003;
+    }
+    public double getDelay() {
+        return this.delay;
+    }
+}