diff --git a/ws2012/P2P/uebungen/4/src/RingGenerator.java b/ws2012/P2P/uebungen/4/src/RingGenerator.java
new file mode 100644
index 00000000..e037e950
--- /dev/null
+++ b/ws2012/P2P/uebungen/4/src/RingGenerator.java
@@ -0,0 +1,37 @@
+import java.util.ArrayList;
+
+import node.Node;
+import analysis.NetworkDumper;
+
+public class RingGenerator {
+	private static final int NUM_NODES = 50 - 1;
+	private ArrayList<Node> nodes;
+
+	public RingGenerator() {
+		try {
+			nodes = new ArrayList<Node>();
+			Node firstNode = new Node();
+			for (int i = 0; i < NUM_NODES; i++) {
+				nodes.add(firstNode.spawn());
+			}
+
+			Thread.sleep(1000);
+
+			firstNode.leave();
+
+			Thread.sleep(1000);
+
+			nodes.get(0).gatherInformationOfNetwork();
+			Thread.sleep(5000);
+			NetworkDumper dumper = new NetworkDumper(nodes.get(0));
+			dumper.write(dumper.networkToDot(nodes.get(0).getNetwork()));
+		} catch (InterruptedException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+	}
+
+	public static void main(String args[]) {
+		new RingGenerator();
+	}
+}
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