diff --git a/server/core/Automating.php b/server/core/Automating.php
index 4a6a0b4..69a2773 100755
--- a/server/core/Automating.php
+++ b/server/core/Automating.php
@@ -22,6 +22,7 @@ class automating implements Core{
 	protected $appImage;
 	protected $appNetwork;
 	protected $appIdentity;
+	protected $appFloatingIp;
 	protected $app;
 	
 	/**
@@ -39,6 +40,7 @@ class automating implements Core{
 		$this->appImage = $appImage;
 		$this->appNetwork = $appNetwork;
 		$this->appIdentity = $appIdentity;
+		$this->appFloatingIp = $appFloatingIp;
 		$this->app = $app;
 	}
 
@@ -52,51 +54,56 @@ class automating implements Core{
 	public function action($action){
 		 $this->{$action.""}();	
 	}
-
-	public function script()
-	{
-		$opt = Array();
-		$opt['name'] = getPostParam('name');
-
-		appImage->setPostParam('opt' $opt);	
-		appImage->createImage();
-		
-		appNetwork->create_network();
-		appnetwork->list_network_ids();
-		appNetwork->create_subnet();
-		
-		appCompute->listFlavors(); //to show all flavors with detail.
-		appCompute->listImages(); //to show all images with detail and to verify that the image was created successfully by the call above.
-		
-		appCompute->setPostParam("name","Test");
-		appCompute->setPostParam("imageId","CREATED_ABOVE");
-		appCompute->setPostParam("flavorId","1");
-		appCompute->createServer();
-		
-	}
 	
+	/**
+	* create a new server and associate a public ip
+	*
+	* @param String $imageName name of the new image
+	* @param String $serverName name ofthe new server
+	* @param String $flavor kind of server
+	*	
+	* @return void
+	*/
 	private function createServer()
 	{
 		$imageName = $this->app->getPostParam('imageName');
 		$serverName = $this->app->getPostParam('serverName');
 		$flavor = $this->app->getPostParam('flavor');
 
-		// Création image
-		$opt = Array();
-		$opt['name'] = $imageName;
-		$this->app->setPostParam('opt' $opt);	
-		$this->appImage->createImage();
-		$image = json_decode($this->app->show(), true)["Images"];
+		if(!isset($imageName)){
+			$this->app->setOutput("Error", "Incorrect imageName parameter"); 
+		}
+		else if(!isset($serverName)){
+			$this->app->setOutput("Error", "Incorrect serverName parameter");
+		}
+		else if(!isset($flavor)){
+			$this->app->setOutput("Error", "Incorrect flavor parameter");
+		}
+		else{
+			// Création image
+			$opt = array();
+			$opt['name'] = $imageName;
+			$this->appImage->setPostParam('opt' $opt);	
+			$this->appImage->createImage();
+			$image = json_decode($this->app->show(), true)["Images"];
 
-		// Création server
-		$this->app->setPostParam('name', $serverName);
-		$this->app->setPostParam('imageId', $image['id']);
-		$this->app->setPostParam('flavorId', $flavor);
-		$this->appNetwork->createServer();
+			// Création server
+			$this->appCompute->setPostParam('name', $serverName);
+			$this->appCompute->setPostParam('imageId', $image['id']);
+			$this->appCompute->setPostParam('flavorId', $flavor);
+			$this->appCompute->createServer();
+			$server = json_decode($this->app->show(), true)["Compute"];
 
-		// Ajout adresse IP public 
+			// Ajout adresse IP public
+			$optIp = array();
+			$opt['floatingip'] = null; //new floatingip(); ???
+			$opt['floating_network_id'] = $server['id'];
+			$this->appFloatingIp->setPostParam('opt', $optIp);	
+			$this->appFloatingIp->create(); 
 
+		}
 	}
+
 }
 
 ?>
diff --git a/server/core/FloatingIp.php b/server/core/FloatingIp.php
new file mode 100644
index 0000000..72ae836
--- /dev/null
+++ b/server/core/FloatingIp.php
@@ -0,0 +1,195 @@
+<?php
+/**
+* File containing the FloatingIp Class.
+*
+* @version 1.0 Initialisation of this file
+* @since 1.0 Core application's file
+* 
+* @author Evan Pisani 'yogg at epsina . com'
+* 
+* @todo Complete the functions with errors detection and finish the descriptions
+*/
+use OpenCloud\Common\Error\BadResponseError;
+use OpenCloud\Common\Error\BaseError;
+use OpenCloud\Common\Error\NotImplementedError;
+use OpenCloud\Common\Error\UserInputError;
+
+include("CoreInterface.php");
+
+/**
+* Image Class of the back-end application
+*
+* Management of images
+*
+*/
+class FloatingIp implements Core{ 
+
+	/** @var App $app protected, contains the main app object */
+	protected $app;
+	
+	/** @var OpenStack\Identity $libClass protected, contains the library Identity object */
+	protected $libClass;
+	
+	/**
+	* Image constructor
+	*
+	* @param App $app the main app object
+	*
+	* @return Image
+	*/
+	public function __construct($app){
+		if(!isset($app)){
+			$this->app->setOutput("Error", "Incorrect parameter app");
+		}
+		$this->app = $app;
+		$this->libClass = $app->getLibClass("FloatingIp");
+	}
+
+
+	/**
+	* Execute an action
+	*
+	* @param String $action name of another function of this class
+	*
+	* @return void
+	*/
+	public function action($action){
+		 $this->{$action.""}();	
+	}
+
+	/**
+	* Create a new floating IP adress
+	*
+	* @param array $opt Options for the floating ip creation (floatingipo and floating network id are required, others are optionals)
+	*
+	* @return floatingip
+	*/
+	private function createFloatingIp(){
+		$opt = $this->app->getPostParam("opt");
+
+		if(!isset($opt)){
+			$this->app->setOutput("Error", "Incorrect parameter opt");
+		}
+		try{
+			$floatingip = $this->libClass->create($opt);
+			if(!isset){
+				$this->app->setOutput("Error", "Unknowing error during floating ip creation");
+			}
+			else{
+				$this->app->setOutput("FloatingIp", $floatingip);
+			}
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance()->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance()->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance()->NotImplementedHandler($e);
+        }catch(Exception $e){
+        	$this->app->getErrorInstance()->OtherException($e);
+        }
+	}
+
+	/**
+	* Update floating ip
+	*
+	* @param id the id of the floatingip to update
+	* 
+	* @return Image
+	*/
+	private function updateFloatingIp(){
+		$id = $this->app->getPostParam("id");
+
+		if(!isset($id)){
+			$this->app->setOutput("Error", "Incorrect parameter opt");
+		}
+		try{
+			$floatingip = null; //obtenir ip
+
+			$floatingip->update();
+
+			if(!isset){
+				$this->app->setOutput("Error", "Unknowing error during floating ip creation");
+			}
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance()->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance()->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance()->NotImplementedHandler($e);
+        }catch(Exception $e){
+        	$this->app->getErrorInstance()->OtherException($e);
+        }
+	}
+
+	/**
+	* Delete a floating ip
+	*
+	* @param string floatingip_id the floating-ip id to delete
+	*
+	* @return void
+	*/
+	private function deleteFloatingIp(){
+		$id = $this->app->getPostParam("id");
+
+		if(!isset($id)){
+			$this->app->setOutput("Error", "Incorrect parameter opt");
+		}
+		try{
+			$floatingip = null; //obtenir ip
+
+			$floatingip->delete();
+			
+			if(!isset){
+				$this->app->setOutput("Error", "Unknowing error during floating ip creation");
+			}
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance()->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance()->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance()->NotImplementedHandler($e);
+        }catch(Exception $e){
+        	$this->app->getErrorInstance()->OtherException($e);
+        }
+	}
+
+	/**
+	* Retrieve a floating ip
+	*
+	* @param string floatingip_id the floating-ip id to retrieve
+	*
+	* @return void
+	*/
+	private function retrieveFloatingIp(){
+		$id = $this->app->getPostParam("id");
+
+		if(!isset($id)){
+			$this->app->setOutput("Error", "Incorrect parameter opt");
+		}
+		try{
+			$floatingip = null; //obtenir ip
+
+			$floatingip->retrieve();
+			
+			if(!isset){
+				$this->app->setOutput("Error", "Unknowing error during floating ip creation");
+			}
+		}catch(BadResponseError $e){
+			$this->app->getErrorInstance()->BadResponseHandler($e);
+        }catch(UserInputError $e){
+			$this->app->getErrorInstance()->UserInputHandler($e);
+        }catch(BaseError $e){
+			$this->app->getErrorInstance()->BaseErrorHandler($e);
+        }catch(NotImplementedError $e){
+			$this->app->getErrorInstance()->NotImplementedHandler($e);
+        }catch(Exception $e){
+        	$this->app->getErrorInstance()->OtherException($e);
+        }
+	}
+}
diff --git a/server/core/Image.php b/server/core/Image.php
index 59f7aed..334fce4 100755
--- a/server/core/Image.php
+++ b/server/core/Image.php
@@ -224,7 +224,6 @@ class image implements Core{
 		}
 		else{
 			try{
-				//vérifier existence image
 				$service = $this->libClass;
 				$image = $service->getImage($id);
 				if($image == null){ // if the image don't exists -> error
@@ -276,8 +275,6 @@ class image implements Core{
 	* @return void
 	*/
 	private function deleteImage(){
-		// si protected = true, demander de le mettre a false
-		// vérifier existence image
 		$id = $this->app->getPostParam("id");
 		if(!isset($id)){
 			$this->app->setOutput("Error", "Image doesn't exist");
@@ -357,7 +354,6 @@ class image implements Core{
 		else
 		{
 			try{
-				// vérifier existence image
 				$service = $this->libClass;
 				$image = $service->getImage($id);
 				if($image == null){ // if the image don't exists -> error
@@ -400,7 +396,6 @@ class image implements Core{
 		}
 		else{
 			try{
-				// vérifier existence image
 				$service = $this->libClass;
 				$image  = $service->getImage($id);
 				if($image == null){ // if the image don't exists -> error
@@ -437,7 +432,6 @@ class image implements Core{
 		}
 		else{
 			try{
-				// vérifier existence image 
 				$service = $this->libClass;
 				$image  = $service->getImage($id);
 				if($image == null){ // if the image don't exists -> error
@@ -521,7 +515,6 @@ class image implements Core{
 		}
 		else{
 			try{
-				// vérifier existence image
 				$service = $this->libClass;
 				$image = $service->getImage($image_id);
 				if($image == null){ // if the image don't exists -> error