diff --git a/Makefile b/Makefile
index 2a760cd694a0de8534a31b935e174059c486a65d..bded97dfe3caa43f5dae50427301f928c438d1e4 100755
--- a/Makefile
+++ b/Makefile
@@ -72,7 +72,7 @@ all:
 ttooljar_std:
 	rm -f $(TTOOL_BIN)/$(TTOOL_BINARY)
 	cp $(TTOOL_SRC)/ui/images/$(STD_LOGO) $(TTOOL_SRC)/ui/images/$(LOGO) 
-	cd $(TTOOL_SRC);  $(JAR) cmf $(TTOOL_JAR_TXT) $(TTOOL_BIN)/$(TTOOL_BINARY) Main.class automata/*.class compiler/tmlparser/*.class  tmltranslator/*.class tmltranslator/toautomata/*.class tmatrix/*.class tmltranslator/toturtle/*.class tmltranslator/touppaal/*.class tmltranslator/tosystemc/*.class tmltranslator/tomappingsystemc/*.class tmltranslator/tomappingsystemc2/*.class  tpndescription/*.class ddtranslator/*.class launcher/*.class myutil/*.class sddescription/*.class sdtranslator/*.class translator/*.class translator/tojava/*.class  translator/tosimujava/*.class translator/touppaal/*.class translator/totpn/*.class ui/*.class ui/*/*.class ui/*/*/*.class uppaaldesc/*.class ui/images/*.* ui/images/toolbarButtonGraphics/general/*.gif ui/images/toolbarButtonGraphics/media/*.gif $(TTOOL_BIN)/$(LAUNCHER_BINARY) RTLLauncher.class launcher/*.class fr/inria/oasis/vercors/cttool/model/*.class
+	cd $(TTOOL_SRC);  $(JAR) cmf $(TTOOL_JAR_TXT) $(TTOOL_BIN)/$(TTOOL_BINARY) Main.class automata/*.class compiler/tmlparser/*.class  tmltranslator/*.class tmltranslator/toautomata/*.class tmatrix/*.class tmltranslator/toturtle/*.class tmltranslator/touppaal/*.class tmltranslator/tosystemc/*.class tmltranslator/tomappingsystemc/*.class tmltranslator/tomappingsystemc2/*.class  tpndescription/*.class ddtranslator/*.class launcher/*.class myutil/*.class sddescription/*.class sdtranslator/*.class translator/*.class translator/tojava/*.class  translator/tosimujava/*.class translator/touppaal/*.class translator/totpn/*.class ui/*.class ui/*/*.class ui/*/*/*.class uppaaldesc/*.class ui/images/*.* ui/images/toolbarButtonGraphics/general/*.gif ui/images/toolbarButtonGraphics/media/*.gifBIN)/$(LAUNCHER_BINARY) RTLLauncher.class launcher/*.class fr/inria/oasis/vercors/cttool/model/*.class
 
 
 launcher:
diff --git a/src/Main.java b/src/Main.java
index 864cd3f993f6879786aa81e37c481e2c17736aa9..9f9f46b674a874d87619cdbfbf322e4e112a32d8 100755
--- a/src/Main.java
+++ b/src/Main.java
@@ -64,7 +64,7 @@ public class Main implements ActionListener {
     public static boolean tpn = false;
     public static boolean os = false;
     public static boolean uppaal = false;
-    
+    public static boolean nc = false ; // Network calculus
     public static void main(String[] args) {
       
         System.out.println("\n*** Your TTool version is: " + DefaultText.getFullVersion() + " ***\n");
@@ -128,7 +128,12 @@ public class Main implements ActionListener {
                 tpn = true;
                 System.out.println("TPN features activated - these are beta features that are meant to be used only for research purpose");
             }
-            
+
+            if (args[i].compareTo("-nc") ==0 )  {
+				nc = true;
+                System.out.println("Network calculus features activated - these are beta features that are meant to be used only for research purpose");
+            }
+	    
             if (args[i].compareTo("-os") == 0) {
                 os = true;
                 System.out.println("TURTLE-OS features activated - these are beta features that are meant to be used only for research purpose");
@@ -165,7 +170,7 @@ public class Main implements ActionListener {
         
         // making main window
         splashFrame.setMessage("Creating main window");
-        MainGUI mainGUI = new MainGUI(systemc, lotos, proactive, tpn, os, uppaal);
+        MainGUI mainGUI = new MainGUI(systemc, lotos, proactive, tpn, os, uppaal, nc);
         splashFrame.setMessage("Building graphical components");
         mainGUI.build();
         
diff --git a/src/nc/NCElement.java b/src/nc/NCElement.java
new file mode 100755
index 0000000000000000000000000000000000000000..9e7284ff92b516dba761869f885b92df39bddf14
--- /dev/null
+++ b/src/nc/NCElement.java
@@ -0,0 +1,66 @@
+/**Copyright or (C) or Copr. GET / ENST, Telecom-Paris, Ludovic Apvrille
+*
+* ludovic.apvrille AT enst.fr
+*
+* This software is a computer program whose purpose is to allow the
+* edition of TURTLE analysis, design and deployment diagrams, to
+* allow the generation of RT-LOTOS or Java code from this diagram,
+* and at last to allow the analysis of formal validation traces
+* obtained from external tools, e.g. RTL from LAAS-CNRS and CADP
+* from INRIA Rhone-Alpes.
+*
+* This software is governed by the CeCILL  license under French law and
+* abiding by the rules of distribution of free software.  You can  use,
+* modify and/ or redistribute the software under the terms of the CeCILL
+* license as circulated by CEA, CNRS and INRIA at the following URL
+* "http://www.cecill.info".
+*
+* As a counterpart to the access to the source code and  rights to copy,
+* modify and redistribute granted by the license, users are provided only
+* with a limited warranty  and the software's author,  the holder of the
+* economic rights,  and the successive licensors  have only  limited
+* liability.
+*
+* In this respect, the user's attention is drawn to the risks associated
+* with loading,  using,  modifying and/or developing or reproducing the
+* software by the user in light of its specific status of free software,
+* that may mean  that it is complicated to manipulate,  and  that  also
+* therefore means  that it is reserved for developers  and  experienced
+* professionals having in-depth computer knowledge. Users are therefore
+* encouraged to load and test the software's suitability as regards their
+* requirements in conditions enabling the security of their systems and/or
+* data to be ensured and,  more generally, to use and operate it in the
+* same conditions as regards security.
+*
+* The fact that you are presently reading this means that you have had
+* knowledge of the CeCILL license and that you accept its terms.
+*
+* /**
+* Class NCElement
+* Creation: 14/11/2008
+* @version 1.0 14/11/2008
+* @author Ludovic APVRILLE
+* @see
+*/
+
+package nc;
+
+
+public class NCElement  {
+    
+	protected String name;
+	
+	public NCElement() {
+		
+	}
+	
+	public String getName() {
+		return name;
+	}
+	
+	public void setName(String _name) {
+		name = _name;
+	}
+	
+	
+}
\ No newline at end of file
diff --git a/src/nc/NCEquipment.java b/src/nc/NCEquipment.java
new file mode 100755
index 0000000000000000000000000000000000000000..c6c286450c35ad0e507cf42f968c9213e1a111d8
--- /dev/null
+++ b/src/nc/NCEquipment.java
@@ -0,0 +1,55 @@
+/**Copyright or (C) or Copr. GET / ENST, Telecom-Paris, Ludovic Apvrille
+*
+* ludovic.apvrille AT enst.fr
+*
+* This software is a computer program whose purpose is to allow the
+* edition of TURTLE analysis, design and deployment diagrams, to
+* allow the generation of RT-LOTOS or Java code from this diagram,
+* and at last to allow the analysis of formal validation traces
+* obtained from external tools, e.g. RTL from LAAS-CNRS and CADP
+* from INRIA Rhone-Alpes.
+*
+* This software is governed by the CeCILL  license under French law and
+* abiding by the rules of distribution of free software.  You can  use,
+* modify and/ or redistribute the software under the terms of the CeCILL
+* license as circulated by CEA, CNRS and INRIA at the following URL
+* "http://www.cecill.info".
+*
+* As a counterpart to the access to the source code and  rights to copy,
+* modify and redistribute granted by the license, users are provided only
+* with a limited warranty  and the software's author,  the holder of the
+* economic rights,  and the successive licensors  have only  limited
+* liability.
+*
+* In this respect, the user's attention is drawn to the risks associated
+* with loading,  using,  modifying and/or developing or reproducing the
+* software by the user in light of its specific status of free software,
+* that may mean  that it is complicated to manipulate,  and  that  also
+* therefore means  that it is reserved for developers  and  experienced
+* professionals having in-depth computer knowledge. Users are therefore
+* encouraged to load and test the software's suitability as regards their
+* requirements in conditions enabling the security of their systems and/or
+* data to be ensured and,  more generally, to use and operate it in the
+* same conditions as regards security.
+*
+* The fact that you are presently reading this means that you have had
+* knowledge of the CeCILL license and that you accept its terms.
+*
+* /**
+* Class NCEquipment
+* Creation: 14/11/2008
+* @version 1.0 14/11/2008
+* @author Ludovic APVRILLE
+* @see
+*/
+
+package nc;
+
+
+public class NCEquipment extends NCLinkedElement  {
+	
+	public NCEquipment() {
+		
+	}
+	
+}
\ No newline at end of file
diff --git a/src/nc/NCLink.java b/src/nc/NCLink.java
new file mode 100755
index 0000000000000000000000000000000000000000..d0f5dba765c046804a67cde2551e1b875191be1d
--- /dev/null
+++ b/src/nc/NCLink.java
@@ -0,0 +1,64 @@
+/**Copyright or (C) or Copr. GET / ENST, Telecom-Paris, Ludovic Apvrille
+*
+* ludovic.apvrille AT enst.fr
+*
+* This software is a computer program whose purpose is to allow the
+* edition of TURTLE analysis, design and deployment diagrams, to
+* allow the generation of RT-LOTOS or Java code from this diagram,
+* and at last to allow the analysis of formal validation traces
+* obtained from external tools, e.g. RTL from LAAS-CNRS and CADP
+* from INRIA Rhone-Alpes.
+*
+* This software is governed by the CeCILL  license under French law and
+* abiding by the rules of distribution of free software.  You can  use,
+* modify and/ or redistribute the software under the terms of the CeCILL
+* license as circulated by CEA, CNRS and INRIA at the following URL
+* "http://www.cecill.info".
+*
+* As a counterpart to the access to the source code and  rights to copy,
+* modify and redistribute granted by the license, users are provided only
+* with a limited warranty  and the software's author,  the holder of the
+* economic rights,  and the successive licensors  have only  limited
+* liability.
+*
+* In this respect, the user's attention is drawn to the risks associated
+* with loading,  using,  modifying and/or developing or reproducing the
+* software by the user in light of its specific status of free software,
+* that may mean  that it is complicated to manipulate,  and  that  also
+* therefore means  that it is reserved for developers  and  experienced
+* professionals having in-depth computer knowledge. Users are therefore
+* encouraged to load and test the software's suitability as regards their
+* requirements in conditions enabling the security of their systems and/or
+* data to be ensured and,  more generally, to use and operate it in the
+* same conditions as regards security.
+*
+* The fact that you are presently reading this means that you have had
+* knowledge of the CeCILL license and that you accept its terms.
+*
+* /**
+* Class NCLink
+* Creation: 14/11/2008
+* @version 1.0 14/11/2008
+* @author Ludovic APVRILLE
+* @see
+*/
+
+package nc;
+
+
+
+public class NCLink extends NCElement  {
+	protected int capacity;
+	protected NCLinkedElement origin;
+	protected NCLinkedElement destination;
+	
+	public NCLink() {}
+	
+	public void setCapacity(int _capacity) {
+		capacity = _capacity;
+	}
+	
+	public int getCapacity() {
+		return capacity;
+	}
+}
\ No newline at end of file
diff --git a/src/nc/NCLinkedElement.java b/src/nc/NCLinkedElement.java
new file mode 100755
index 0000000000000000000000000000000000000000..4bef46ebb01aa802f2b0343fc52e8b8183283aaa
--- /dev/null
+++ b/src/nc/NCLinkedElement.java
@@ -0,0 +1,56 @@
+/**Copyright or (C) or Copr. GET / ENST, Telecom-Paris, Ludovic Apvrille
+*
+* ludovic.apvrille AT enst.fr
+*
+* This software is a computer program whose purpose is to allow the
+* edition of TURTLE analysis, design and deployment diagrams, to
+* allow the generation of RT-LOTOS or Java code from this diagram,
+* and at last to allow the analysis of formal validation traces
+* obtained from external tools, e.g. RTL from LAAS-CNRS and CADP
+* from INRIA Rhone-Alpes.
+*
+* This software is governed by the CeCILL  license under French law and
+* abiding by the rules of distribution of free software.  You can  use,
+* modify and/ or redistribute the software under the terms of the CeCILL
+* license as circulated by CEA, CNRS and INRIA at the following URL
+* "http://www.cecill.info".
+*
+* As a counterpart to the access to the source code and  rights to copy,
+* modify and redistribute granted by the license, users are provided only
+* with a limited warranty  and the software's author,  the holder of the
+* economic rights,  and the successive licensors  have only  limited
+* liability.
+*
+* In this respect, the user's attention is drawn to the risks associated
+* with loading,  using,  modifying and/or developing or reproducing the
+* software by the user in light of its specific status of free software,
+* that may mean  that it is complicated to manipulate,  and  that  also
+* therefore means  that it is reserved for developers  and  experienced
+* professionals having in-depth computer knowledge. Users are therefore
+* encouraged to load and test the software's suitability as regards their
+* requirements in conditions enabling the security of their systems and/or
+* data to be ensured and,  more generally, to use and operate it in the
+* same conditions as regards security.
+*
+* The fact that you are presently reading this means that you have had
+* knowledge of the CeCILL license and that you accept its terms.
+*
+* /**
+* Class NCLinkedElement
+* Creation: 14/11/2008
+* @version 1.0 14/11/2008
+* @author Ludovic APVRILLE
+* @see
+*/
+
+package nc;
+
+
+
+public class NCLinkedElement extends NCElement  {
+	
+	public NCLinkedElement() {
+		
+	}
+	
+}
\ No newline at end of file
diff --git a/src/nc/NCPath.java b/src/nc/NCPath.java
new file mode 100755
index 0000000000000000000000000000000000000000..a66640cde236ade7ffdae64f839fc17d5109ee77
--- /dev/null
+++ b/src/nc/NCPath.java
@@ -0,0 +1,58 @@
+/**Copyright or (C) or Copr. GET / ENST, Telecom-Paris, Ludovic Apvrille
+*
+* ludovic.apvrille AT enst.fr
+*
+* This software is a computer program whose purpose is to allow the
+* edition of TURTLE analysis, design and deployment diagrams, to
+* allow the generation of RT-LOTOS or Java code from this diagram,
+* and at last to allow the analysis of formal validation traces
+* obtained from external tools, e.g. RTL from LAAS-CNRS and CADP
+* from INRIA Rhone-Alpes.
+*
+* This software is governed by the CeCILL  license under French law and
+* abiding by the rules of distribution of free software.  You can  use,
+* modify and/ or redistribute the software under the terms of the CeCILL
+* license as circulated by CEA, CNRS and INRIA at the following URL
+* "http://www.cecill.info".
+*
+* As a counterpart to the access to the source code and  rights to copy,
+* modify and redistribute granted by the license, users are provided only
+* with a limited warranty  and the software's author,  the holder of the
+* economic rights,  and the successive licensors  have only  limited
+* liability.
+*
+* In this respect, the user's attention is drawn to the risks associated
+* with loading,  using,  modifying and/or developing or reproducing the
+* software by the user in light of its specific status of free software,
+* that may mean  that it is complicated to manipulate,  and  that  also
+* therefore means  that it is reserved for developers  and  experienced
+* professionals having in-depth computer knowledge. Users are therefore
+* encouraged to load and test the software's suitability as regards their
+* requirements in conditions enabling the security of their systems and/or
+* data to be ensured and,  more generally, to use and operate it in the
+* same conditions as regards security.
+*
+* The fact that you are presently reading this means that you have had
+* knowledge of the CeCILL license and that you accept its terms.
+*
+* /**
+* Class NCPath
+* Creation: 14/11/2008
+* @version 1.0 14/11/2008
+* @author Ludovic APVRILLE
+* @see
+*/
+
+package nc;
+
+import java.util.*;
+
+public class NCPath extends NCElement {
+	public NCEquipment origin;
+	public NCEquipment destination;
+	public ArrayList<NCSwitch> switches;
+
+	public NCPath() {
+		switches = new ArrayList<NCSwitch>();
+	}
+}
\ No newline at end of file
diff --git a/src/nc/NCStructure.java b/src/nc/NCStructure.java
new file mode 100755
index 0000000000000000000000000000000000000000..bfb62492bc5fff8d7bba6aae897ccf41ead76538
--- /dev/null
+++ b/src/nc/NCStructure.java
@@ -0,0 +1,154 @@
+/**Copyright or (C) or Copr. GET / ENST, Telecom-Paris, Ludovic Apvrille
+*
+* ludovic.apvrille AT enst.fr
+*
+* This software is a computer program whose purpose is to allow the
+* edition of TURTLE analysis, design and deployment diagrams, to
+* allow the generation of RT-LOTOS or Java code from this diagram,
+* and at last to allow the analysis of formal validation traces
+* obtained from external tools, e.g. RTL from LAAS-CNRS and CADP
+* from INRIA Rhone-Alpes.
+*
+* This software is governed by the CeCILL  license under French law and
+* abiding by the rules of distribution of free software.  You can  use,
+* modify and/ or redistribute the software under the terms of the CeCILL
+* license as circulated by CEA, CNRS and INRIA at the following URL
+* "http://www.cecill.info".
+*
+* As a counterpart to the access to the source code and  rights to copy,
+* modify and redistribute granted by the license, users are provided only
+* with a limited warranty  and the software's author,  the holder of the
+* economic rights,  and the successive licensors  have only  limited
+* liability.
+*
+* In this respect, the user's attention is drawn to the risks associated
+* with loading,  using,  modifying and/or developing or reproducing the
+* software by the user in light of its specific status of free software,
+* that may mean  that it is complicated to manipulate,  and  that  also
+* therefore means  that it is reserved for developers  and  experienced
+* professionals having in-depth computer knowledge. Users are therefore
+* encouraged to load and test the software's suitability as regards their
+* requirements in conditions enabling the security of their systems and/or
+* data to be ensured and,  more generally, to use and operate it in the
+* same conditions as regards security.
+*
+* The fact that you are presently reading this means that you have had
+* knowledge of the CeCILL license and that you accept its terms.
+*
+* /**
+* Class NCStructure
+* Creation: 14/11/2008
+* @version 1.0 14/11/2008
+* @author Ludovic APVRILLE
+* @see
+*/
+
+package nc;
+
+import java.util.*;
+
+public class NCStructure extends NCElement {
+	public ArrayList<NCEquipment> equipments;
+	public ArrayList<NCSwitch> switches;
+	public ArrayList<NCTraffic> traffics;
+	public ArrayList<NCLink> links;
+	public ArrayList<NCPath> paths;
+	
+	public NCStructure() {
+		equipments = new ArrayList<NCEquipment>();
+		switches = new ArrayList<NCSwitch>();
+		traffics = new ArrayList<NCTraffic>();
+		links = new ArrayList<NCLink>();
+		paths = new ArrayList<NCPath>();
+	}
+	
+	public String toXML() {
+		StringBuffer sb = new StringBuffer("");
+		sb.append(getXMLHeader());
+		sb.append("<NCStructure>\n");
+		sb.append(getXMLEquipments());
+		sb.append(getXMLSwitches());
+		sb.append(getXMLTraffics());
+		sb.append(getXMLLinks());	
+		sb.append("</NCStructure>\n");
+		return sb.toString();
+	}
+	
+	private String getXMLHeader() {
+		return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\n";
+	}
+	
+	private String getXMLEquipments() {
+		String tmp = "";
+		for(NCEquipment eq: equipments) {
+			tmp += "<Equipment ";
+			tmp += " name=\"";
+			tmp += eq.getName();
+			tmp += "\" />";
+		}
+		return tmp;
+	}
+	
+	
+	private String getXMLSwitches() {
+		String tmp = "";
+		for(NCSwitch sw: switches) {
+			tmp += "<Switch ";
+			tmp += " name=\"";
+			tmp += sw.getName();
+			tmp += "\" schedulingPolicy=\"";
+			tmp += NCSwitch.getStringSchedulingPolicy(sw.getSchedulingPolicy());
+			tmp += "\" />";
+		}
+		return tmp;
+	}
+	
+	private String getXMLTraffics() {
+		String tmp = "";
+		for(NCTraffic tr: traffics) {
+			tmp += "<traffic ";
+			tmp += " name=\"";
+			tmp += tr.getName();
+			tmp += "\" periodicity=\"" + tr.getPeriodicity();
+			tmp += "\" />";
+		}
+		return tmp;
+	}
+	
+	private String getXMLLinks() {
+		String tmp = "";
+		for(NCLink lk: links) {
+			tmp += "<Link ";
+			tmp += " name=\"";
+			tmp += lk.getName();
+			tmp += "\" capacity=\"";
+			tmp += lk.getCapacity();
+			tmp += "\" />";
+		}
+		return tmp;
+	}
+	
+	private String getXMLPaths() {
+		String tmp = "";
+		for(NCPath pa: paths) {
+			tmp += "<Path ";
+			tmp += " name=\"";
+			tmp += pa.getName();
+			tmp += "\" origin=\"";
+			tmp += pa.origin.getName();
+			tmp += "\" destination=\"";
+			tmp += pa.destination.getName();
+			tmp += "\" />";
+			for(NCSwitch sw: pa.switches) {
+				tmp += "<Path ";
+				tmp += " name=\"";
+				tmp += pa.getName();
+				tmp += "\" switch=\"";
+				tmp += sw.getName();
+				tmp += "\" />";
+			}
+		}
+		return tmp;
+	}
+	
+}
\ No newline at end of file
diff --git a/src/nc/NCSwitch.java b/src/nc/NCSwitch.java
new file mode 100755
index 0000000000000000000000000000000000000000..3f7f7eee22eb5c862c7a8cd5b504750fd722bc93
--- /dev/null
+++ b/src/nc/NCSwitch.java
@@ -0,0 +1,86 @@
+/**Copyright or (C) or Copr. GET / ENST, Telecom-Paris, Ludovic Apvrille
+*
+* ludovic.apvrille AT enst.fr
+*
+* This software is a computer program whose purpose is to allow the
+* edition of TURTLE analysis, design and deployment diagrams, to
+* allow the generation of RT-LOTOS or Java code from this diagram,
+* and at last to allow the analysis of formal validation traces
+* obtained from external tools, e.g. RTL from LAAS-CNRS and CADP
+* from INRIA Rhone-Alpes.
+*
+* This software is governed by the CeCILL  license under French law and
+* abiding by the rules of distribution of free software.  You can  use,
+* modify and/ or redistribute the software under the terms of the CeCILL
+* license as circulated by CEA, CNRS and INRIA at the following URL
+* "http://www.cecill.info".
+*
+* As a counterpart to the access to the source code and  rights to copy,
+* modify and redistribute granted by the license, users are provided only
+* with a limited warranty  and the software's author,  the holder of the
+* economic rights,  and the successive licensors  have only  limited
+* liability.
+*
+* In this respect, the user's attention is drawn to the risks associated
+* with loading,  using,  modifying and/or developing or reproducing the
+* software by the user in light of its specific status of free software,
+* that may mean  that it is complicated to manipulate,  and  that  also
+* therefore means  that it is reserved for developers  and  experienced
+* professionals having in-depth computer knowledge. Users are therefore
+* encouraged to load and test the software's suitability as regards their
+* requirements in conditions enabling the security of their systems and/or
+* data to be ensured and,  more generally, to use and operate it in the
+* same conditions as regards security.
+*
+* The fact that you are presently reading this means that you have had
+* knowledge of the CeCILL license and that you accept its terms.
+*
+* /**
+* Class NCSwitch
+* Creation: 14/11/2008
+* @version 1.0 14/11/2008
+* @author Ludovic APVRILLE
+* @see
+*/
+
+package nc;
+
+
+
+public class NCSwitch extends NCLinkedElement  {
+	
+	public static String FCFS = "FCFS";
+	public static String STATIC = "Static priority";
+	public static String WFQ = "Weight Fair Queuing";
+	
+	public static String[] SchedulingPolicies = {FCFS, STATIC, WFQ};
+	
+	private int schedulingPolicy = 0;
+	
+	public NCSwitch() {
+	}
+	
+	public void setSchedulingPolicy(int _sp) {
+		schedulingPolicy = _sp;
+	}
+	
+	public int getSchedulingPolicy() {
+		return schedulingPolicy;
+	}
+	
+	public static String getStringSchedulingPolicy(int sp) {
+			return SchedulingPolicies[sp];
+	}
+	
+	public static int getFromStringSchedulingPolicy(String _sp) {
+		for(int i=0; i<SchedulingPolicies.length; i++) {
+			if (SchedulingPolicies[i].compareTo(_sp) == 0) {
+				return i;
+			}
+		}
+		
+		return -1;
+	}
+	
+
+}
\ No newline at end of file
diff --git a/src/nc/NCTraffic.java b/src/nc/NCTraffic.java
new file mode 100755
index 0000000000000000000000000000000000000000..2a375c1b5324a5579e3dfc6e6b90c8e2f9cc6b4b
--- /dev/null
+++ b/src/nc/NCTraffic.java
@@ -0,0 +1,63 @@
+/**Copyright or (C) or Copr. GET / ENST, Telecom-Paris, Ludovic Apvrille
+*
+* ludovic.apvrille AT enst.fr
+*
+* This software is a computer program whose purpose is to allow the
+* edition of TURTLE analysis, design and deployment diagrams, to
+* allow the generation of RT-LOTOS or Java code from this diagram,
+* and at last to allow the analysis of formal validation traces
+* obtained from external tools, e.g. RTL from LAAS-CNRS and CADP
+* from INRIA Rhone-Alpes.
+*
+* This software is governed by the CeCILL  license under French law and
+* abiding by the rules of distribution of free software.  You can  use,
+* modify and/ or redistribute the software under the terms of the CeCILL
+* license as circulated by CEA, CNRS and INRIA at the following URL
+* "http://www.cecill.info".
+*
+* As a counterpart to the access to the source code and  rights to copy,
+* modify and redistribute granted by the license, users are provided only
+* with a limited warranty  and the software's author,  the holder of the
+* economic rights,  and the successive licensors  have only  limited
+* liability.
+*
+* In this respect, the user's attention is drawn to the risks associated
+* with loading,  using,  modifying and/or developing or reproducing the
+* software by the user in light of its specific status of free software,
+* that may mean  that it is complicated to manipulate,  and  that  also
+* therefore means  that it is reserved for developers  and  experienced
+* professionals having in-depth computer knowledge. Users are therefore
+* encouraged to load and test the software's suitability as regards their
+* requirements in conditions enabling the security of their systems and/or
+* data to be ensured and,  more generally, to use and operate it in the
+* same conditions as regards security.
+*
+* The fact that you are presently reading this means that you have had
+* knowledge of the CeCILL license and that you accept its terms.
+*
+* /**
+* Class NCLinkedElement
+* Creation: 14/11/2008
+* @version 1.0 14/11/2008
+* @author Ludovic APVRILLE
+* @see
+*/
+
+package nc;
+
+
+
+public class NCTraffic extends NCElement  {
+	private int periodicity;
+	
+	public NCTraffic() {}
+	
+	public void setPeriodicity(int _periodicity) {
+		periodicity = _periodicity;
+	}
+	
+	
+	public int getPeriodicity() {
+		return periodicity;
+	}
+}
\ No newline at end of file
diff --git a/src/ui/MainGUI.java b/src/ui/MainGUI.java
index 40c101a4d3d8207ba903c16ba3892c4ed5872357..71d7cf2e0087da7fae008d1485cee74164c535c2 100755
--- a/src/ui/MainGUI.java
+++ b/src/ui/MainGUI.java
@@ -89,6 +89,7 @@ public	class MainGUI implements ActionListener, WindowListener, KeyListener {
     public static boolean tpnOn;
     public static boolean osOn;
     public static boolean uppaalOn;
+	public static boolean ncOn;
 	
 	public final static int LOTOS = 0;
 	public final static int RT_LOTOS = 1;
@@ -237,14 +238,14 @@ public	class MainGUI implements ActionListener, WindowListener, KeyListener {
     
     //private int selectedAction = -1;
     
-    public MainGUI(boolean _systemcOn, boolean _lotosOn, boolean _proactiveOn, boolean _tpnOn, boolean _osOn, boolean _uppaalOn) {
+    public MainGUI(boolean _systemcOn, boolean _lotosOn, boolean _proactiveOn, boolean _tpnOn, boolean _osOn, boolean _uppaalOn, boolean _ncOn) {
         systemcOn = _systemcOn;
         lotosOn = _lotosOn;
         proactiveOn = _proactiveOn;
         tpnOn = _tpnOn;
         osOn = _osOn;
         uppaalOn = _uppaalOn;
-        
+		ncOn = _ncOn;
     }
     
     
@@ -1182,6 +1183,13 @@ public	class MainGUI implements ActionListener, WindowListener, KeyListener {
         ((TURTLEPanel)tabs.elementAt(tabs.size()-1)).tabbedPane.setSelectedIndex(0);
         mainTabbedPane.setSelectedIndex(tabs.size()-1);
     }
+	
+	public void newNCDesign() {
+        System.out.println("NEW NC DESIGN");
+        //addTURTLEOSDesignPanel("TURTLE-OS Design", -1);
+        //((TURTLEPanel)tabs.elementAt(tabs.size()-1)).tabbedPane.setSelectedIndex(0);
+        //mainTabbedPane.setSelectedIndex(tabs.size()-1);
+    }
     
     public void newProactiveDesign() {
         //System.out.println("NEW DESIGN");
@@ -5289,7 +5297,7 @@ public	class MainGUI implements ActionListener, WindowListener, KeyListener {
         private MainGUI mgui;
         private JPopupMenu menu;
         
-        private JMenuItem rename, remove, moveRight, moveLeft, newDesign, newAnalysis, newDeployment, newRequirement, newTMLDesign, newTMLComponentDesign, newTMLArchi, newProactiveDesign, newTURTLEOSDesign, sort, clone;
+        private JMenuItem rename, remove, moveRight, moveLeft, newDesign, newAnalysis, newDeployment, newRequirement, newTMLDesign, newTMLComponentDesign, newTMLArchi, newProactiveDesign, newTURTLEOSDesign, newNCDesign, sort, clone;
         
         public PopupListener(MainGUI _mgui) {
             mgui = _mgui;
@@ -5331,6 +5339,7 @@ public	class MainGUI implements ActionListener, WindowListener, KeyListener {
 			newTMLArchi = createMenuItem("New DIPLODOCUS Architecture");
             newProactiveDesign = createMenuItem("New Proactive Design");
             newTURTLEOSDesign = createMenuItem("New TURTLE-OS Design");
+			newNCDesign = createMenuItem("New Network Calculus Design");
             
             menu = new JPopupMenu("TURTLE analysis, design and deployment / DIPLODOCUS design / Proactive design");
             menu.add(moveLeft);
@@ -5375,6 +5384,11 @@ public	class MainGUI implements ActionListener, WindowListener, KeyListener {
 				 menu.add(newTMLComponentDesign);
 				menu.add(newTMLArchi);
             }
+			
+			if (ncOn) {
+				menu.addSeparator();
+                menu.add(newNCDesign);
+			}
             
         }
         
@@ -5452,6 +5466,8 @@ public	class MainGUI implements ActionListener, WindowListener, KeyListener {
                     mgui.newProactiveDesign();
                 } else if (ac.equals("New TURTLE-OS Design")) {
                     mgui.newTURTLEOSDesign();
+                } else if (e.getSource() == newNCDesign) {
+                    mgui.newNCDesign();
                 }
             }
         };