diff --git a/cs656/lab3/ChatClient.sh b/cs656/lab3/ChatClient.sh
new file mode 100755
index 0000000..8baee9e
--- /dev/null
+++ b/cs656/lab3/ChatClient.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+java -cp .:./lib/log4j.jar:./lib/openchord_1.0.4.jar ChordClient $*
diff --git a/cs656/lab3/Makefile b/cs656/lab3/Makefile
new file mode 100644
index 0000000..653f3bc
--- /dev/null
+++ b/cs656/lab3/Makefile
@@ -0,0 +1,6 @@
+
+all:
+	javac -cp .:lib/openchord_1.0.4.jar:lib/log4j.jar *.java
+
+clean:
+	-rm -f *~ *.class
diff --git a/cs656/lab3/chord.properties b/cs656/lab3/chord.properties
new file mode 100644
index 0000000..9f4bf41
--- /dev/null
+++ b/cs656/lab3/chord.properties
@@ -0,0 +1,26 @@
+#Property file for Open Chord version 1.0.4
+# Name of log4j property file
+log4j.properties.file=log4j.properties
+
+# Number of bytes of displayed IDs
+de.uniba.wiai.lspi.chord.data.ID.number.of.displayed.bytes=4
+
+#Number of successors
+de.uniba.wiai.lspi.chord.service.impl.ChordImpl.successors=2
+
+#Number of threads for asynchronous executions
+de.uniba.wiai.lspi.chord.service.impl.ChordImpl.AsyncThread.no=10
+
+# Start times and intervals of maintenance tasks
+de.uniba.wiai.lspi.chord.service.impl.ChordImpl.StabilizeTask.start=0
+de.uniba.wiai.lspi.chord.service.impl.ChordImpl.StabilizeTask.interval=6
+de.uniba.wiai.lspi.chord.service.impl.ChordImpl.FixFingerTask.start=2
+de.uniba.wiai.lspi.chord.service.impl.ChordImpl.FixFingerTask.interval=12
+de.uniba.wiai.lspi.chord.service.impl.ChordImpl.CheckPredecessorTask.start=4
+de.uniba.wiai.lspi.chord.service.impl.ChordImpl.CheckPredecessorTask.interval=6
+
+#ThreadPool for incoming requests 
+de.uniba.wiai.lspi.chord.com.socket.InvocationThread.corepoolsize=10
+de.uniba.wiai.lspi.chord.com.socket.InvocationThread.maxpoolsize=50
+#time to keep idle threads alive before termination in seconds:
+de.uniba.wiai.lspi.chord.com.socket.InvocationThread.keepalivetime=20
\ No newline at end of file
diff --git a/cs656/lab3/lib/log4j.jar b/cs656/lab3/lib/log4j.jar
new file mode 100644
index 0000000..1595a56
Binary files /dev/null and b/cs656/lab3/lib/log4j.jar differ
diff --git a/cs656/lab3/lib/openchord_1.0.4.jar b/cs656/lab3/lib/openchord_1.0.4.jar
new file mode 100644
index 0000000..b267163
Binary files /dev/null and b/cs656/lab3/lib/openchord_1.0.4.jar differ
diff --git a/cs656/lab3/log4j.properties b/cs656/lab3/log4j.properties
new file mode 100644
index 0000000..898be25
--- /dev/null
+++ b/cs656/lab3/log4j.properties
@@ -0,0 +1,12 @@
+log4j.rootLogger=ON
+log4j.appender.FILE=org.apache.log4j.FileAppender
+log4j.appender.FILE.Append=False
+log4j.appender.FILE.layout=org.apache.log4j.HTMLLayout
+log4j.appender.FILE.layout.LocationInfo = true
+log4j.appender.FILE.File=open_chord.log.html
+
+log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
+log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
+log4j.appender.CONSOLE.layout.ConversionPattern=%-4r [%t] %-5p %c %x - %m%n
+
+log4j.logger.de.uniba.wiai.lspi.chord=WARN, FILE