diff --git a/main/Main.java b/main/Main.java
index 0fea318..c9bdd24 100644
--- a/main/Main.java
+++ b/main/Main.java
@@ -20,14 +20,14 @@ public class Main {
 
 	public static void main(String[] args) {
 
-		Grid g=new Grid(Grid.Protocol.AODV);
+		Grid g=new Grid(Grid.Protocol.DSDV);
 
 
 		// Build Graph for graphstream
 		MyGraph gr=new MyGraph("Routage Oportuniste", g);
 		gr.display();
-		gr.update();
-		/*
+		//gr.update();
+		
 		
 		// Update Graph
 		while(true){
@@ -40,7 +40,7 @@ public class Main {
 			g.buildEdgeWithRandomWeigth();
 			System.out.println("Update !");
 			gr.update();
-		}*/
+		}
 
 	}
 }
diff --git a/structure/Grid.java b/structure/Grid.java
index 00c3b52..73c034e 100644
--- a/structure/Grid.java
+++ b/structure/Grid.java
@@ -37,7 +37,8 @@ public class Grid {
 
 		this.buildEdgeWithRandomWeigth();
 		
-		
+		//Build fixed link
+				this.buildPath();
 		
 		this.protocol=protocol;
 
@@ -48,7 +49,7 @@ public class Grid {
 			case DSDV: 
 			case CUSTOM:
 				HashMap<Integer,Integer> currentBestLink=new HashMap<>();
-				for(int i=0;i<100000;i++){
+				for(int i=0;i<1000;i++){
 					int current=this.getBestLinkIndex();
 					if(currentBestLink.containsKey(current)){
 						currentBestLink.put(current, currentBestLink.get(current)+1);
@@ -87,8 +88,7 @@ public class Grid {
 	
 	
 	public void buildEdgeWithRandomWeigth(){
-		//Build fixed link
-		this.buildPath();
+