diff --git a/projects/Assignments/homework2/SnellConsole.JPG b/projects/Assignments/homework2/SnellConsole.JPG
new file mode 100644
index 0000000000000000000000000000000000000000..880688e3de41e3dd8e3fdd31b65837686a8d8c8c
Binary files /dev/null and b/projects/Assignments/homework2/SnellConsole.JPG differ
diff --git a/projects/Assignments/homework2/SnellMulticastClient.java b/projects/Assignments/homework2/SnellMulticastClient.java
new file mode 100644
index 0000000000000000000000000000000000000000..b6a9437f772687af331e1426f149698828c31894
--- /dev/null
+++ b/projects/Assignments/homework2/SnellMulticastClient.java
@@ -0,0 +1,69 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package HW2;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+
+/**
+ *
+ * @author Justin Snell
+ */
+public class SnellMulticastClient {
+ public static final String MULTICAST_ADDRESS = "239.1.2.15";
+ public static final int DESTINATION_PORT = 1717;
+ /** How many routers can be crossed */
+ public static final int TTL = 10;
+
+ public static void main(String[] args)
+ {
+ try
+ {
+
+ // This is a java/IPv6 problem. You should also add it to the
+ // arguments used to start the app, eg -Djava.net.preferIPv4Stack=true
+ // set in the "run" section of preferences. Also, typically
+ // netbeans must be restarted after these settings.
+ // https://stackoverflow.com/questions/18747134/getting-cant-assign-requested-address-java-net-socketexception-using-ehcache
+ System.setProperty("java.net.preferIPv4Stack", "true");
+
+
+ MulticastSocket multicastSocket = new MulticastSocket(DESTINATION_PORT);
+ multicastSocket.setTimeToLive(TTL);
+ InetAddress multicastAddress = InetAddress.getByName(MULTICAST_ADDRESS);
+ System.out.println(multicastAddress);
+ // Join group useful on receiving side
+ multicastSocket.joinGroup(multicastAddress);
+ // You can join multiple groups here
+
+ int count = 0;
+
+ while(true)
+ {
+ byte[] packetArray = new byte[1500];
+ DatagramPacket packet = new DatagramPacket(packetArray, packetArray.length);
+
+ multicastSocket.receive(packet);
+ count++;
+
+ ByteArrayInputStream bais = new ByteArrayInputStream(packet.getData());
+ DataInputStream dis = new DataInputStream(bais);
+ int firstNumber = dis.readInt();
+ int secondNumber = dis.readInt();
+
+ System.out.println("Number received: " + count + " xpos:" + firstNumber + " ypos:" + secondNumber);
+ }
+ }
+ catch(Exception e)
+ {
+ System.out.println(e);
+ }
+ }
+
+}
diff --git a/projects/Assignments/homework2/SnellMulticastServer.java b/projects/Assignments/homework2/SnellMulticastServer.java
new file mode 100644
index 0000000000000000000000000000000000000000..1d07ef5a73e152c03ed06defbcc7a40f991ae2c3
--- /dev/null
+++ b/projects/Assignments/homework2/SnellMulticastServer.java
@@ -0,0 +1,71 @@
+package HW2;
+
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.net.DatagramPacket;
+import java.net.InetAddress;
+import java.net.MulticastSocket;
+
+public class SnellMulticastServer {
+ public static final String MULTICAST_ADDRESS = "239.1.2.15";
+ public static final int DESTINATION_PORT = 1717;
+ /** How many routers can be crossed */
+ public static final int TTL = 10;
+
+ public static void main(String[] args)
+ {
+ try
+ {
+ // This is a java/IPv6 problem. You should also add it to the
+ // arguments used to start the app, eg -Djava.net.preferIPv4Stack=true
+ // set in the "run" section of preferences. Also, typically
+ // netbeans must be restarted after these settings.
+ // https://stackoverflow.com/questions/18747134/getting-cant-assign-requested-address-java-net-socketexception-using-ehcache
+ System.setProperty("java.net.preferIPv4Stack", "true");
+
+
+ MulticastSocket multicastSocket = new MulticastSocket(1718);
+ multicastSocket.setTimeToLive(TTL);
+ InetAddress multicastAddress = InetAddress.getByName(MULTICAST_ADDRESS);
+ System.out.println(multicastAddress);
+ // Join group useful on receiving side
+ multicastSocket.joinGroup(multicastAddress);
+ // You can join multiple groups here
+
+ int xpos = 12;
+ int ypos = 15;
+
+ // Put together a message with binary content. "ByteArrayOutputStream"
+ // is a java.io utility that lets us put together an array of binary
+ // data, which we put into the UDP packet.
+
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ DataOutputStream dos = new DataOutputStream(baos);
+ dos.writeInt(xpos);
+ dos.writeInt(ypos);
+ byte[] buffer = baos.toByteArray();
+
+ // Put together a packet to send
+ // muticast group we are sending to--not a single host
+
+ DatagramPacket packet = new DatagramPacket(buffer, buffer.length, multicastAddress, DESTINATION_PORT);
+
+ // How fast does this go? Does UDP try to slow it down, or does
+ // this cause network problems? (hint: yes for an unlimited send
+ // rate, unlike TCP). How do you know on the receiving side
+ // that you haven't received a duplicate UDP packet, out of
+ // order packet, or dropped packet?
+
+ for(int idx = 0; idx < 100; idx++)
+ {
+ multicastSocket.send(packet);
+ Thread.sleep(1000); // Send 100, one per second
+ System.out.println("Sent multicast packet " + idx + " of 100");
+ }
+ }
+ catch(Exception e)
+ {
+ System.out.println(e);
+ }
+ }
+}