diff --git a/pom.xml b/pom.xml
index 681565c..1a07ed2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -58,6 +58,11 @@
 			<groupId>org.gcube.resources.discovery</groupId>
 			<artifactId>ic-client</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>com.google.code.gson</groupId>
+			<artifactId>gson</artifactId>
+			<version>2.8.5</version>
+		</dependency>
 		<dependency>
 			<groupId>org.gcube.core</groupId>
 			<artifactId>common-encryption</artifactId>
diff --git a/src/main/java/org/gcube/portal/ddas/DdasVREService.java b/src/main/java/org/gcube/portal/ddas/DdasVREService.java
index 663abee..618d047 100644
--- a/src/main/java/org/gcube/portal/ddas/DdasVREService.java
+++ b/src/main/java/org/gcube/portal/ddas/DdasVREService.java
@@ -1,72 +1,101 @@
 package org.gcube.portal.ddas;
 
+
+
 import java.io.BufferedReader;
 import java.io.IOException;
+import java.net.URL;
 import java.util.Base64;
 
-import javax.portlet.PortletRequestDispatcher;
-import javax.servlet.ServletConfig;
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
-
-import com.liferay.portal.kernel.json.JSONFactoryUtil;
-import com.liferay.portal.kernel.json.JSONObject;
+import com.google.gson.Gson;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
 import com.liferay.portal.kernel.log.LogFactoryUtil;
 
+import net.spy.memcached.MemcachedClient;
+import net.spy.memcached.internal.OperationFuture;
+
 /**
  * Servlet implementation class DdasVREService
  */
 public class DdasVREService extends HttpServlet {
 	private static final long serialVersionUID = 1L;
 	private static com.liferay.portal.kernel.log.Log _log = LogFactoryUtil.getLog(DdasVREService.class);  
-    /**
-     * @see HttpServlet#HttpServlet()
-     */
-    public DdasVREService() {
-        super();
-    }
+	private static final int CACHE_SECONDS_EXPIRATION = 1800; //30 minutes
+
 
-    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
-    	String toReturn = "<DIV>Blue-Cloud VRE - DD&amp;AS integration accepts POST method only</DIV>";
+	/**
+	 * @see HttpServlet#HttpServlet()
+	 */
+	public DdasVREService() {
+		super();
+	}
+
+	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+		String toReturn = "<DIV>Blue-Cloud VRE - DD&amp;AS integration accepts POST method only</DIV>";
 		response.setContentType("text/html");		
 		response.getWriter().write(toReturn); 
-    }
-    
-    
+	}
+
 	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
 		StringBuffer sb = new StringBuffer();
 		String line = null;
-
-		JSONObject jsonObject = null;
+		JsonObject jsonObject = null;
 		try {
 			BufferedReader reader = request.getReader();
 			while ((line = reader.readLine()) != null) {
 				sb.append(line);
 			}
-			System.out.println("GOT String: "+sb.toString());
-			jsonObject = JSONFactoryUtil.createJSONObject(sb.toString());
+			_log.debug("GOT String: "+sb.toString());
+			JsonParser parser = new JsonParser();
+			jsonObject = parser.parse(sb.toString()).getAsJsonObject();
 		} catch (Exception e) {
 			_log.error("Error parsing JSON request string", e);
 		}
-	
-		 
-		
-		
-        Base64.Encoder withoutPaddingEncoder = Base64.getEncoder().withoutPadding();
-        String requestIdParam  =  withoutPaddingEncoder.encodeToString("request_id".getBytes());
-		String requestId = jsonObject.getString("request_id");
-		System.out.println("GOT JSON");
-		System.out.println("JSON="+jsonObject.toString());
-		
-		String redirect_url = "/group/nomesito/vre-data-pool-pagina?"+requestIdParam+"="+requestId;
-		
-		String toReturn = "{\"success\": true, \"redirect_url\": \""+redirect_url+"\"}";
+
+		BrokerResponse theResponse = null;
+		String requestId = jsonObject.get("request_id").getAsString();
+		if (requestId == null || requestId.equals("")) {
+			theResponse = new BrokerResponse(405, "Method Not Allowed, something is wrong in the JSON, request_id not found", null);
+		}
+		_log.debug("GOT JSON");
+		_log.debug("JSON="+jsonObject.toString());
+		boolean result = authorizeRequest(requestId, jsonObject);
+		if (result) {
+			int status = 200;
+			Base64.Encoder withoutPaddingEncoder = Base64.getEncoder().withoutPadding();
+			String requestIdParam  =  withoutPaddingEncoder.encodeToString("request_id".getBytes());
+			String message = "Started downloading order files to Virtual Research Environment '"+requestId+"'";
+			String vreConfirmUrl = "https://blue-cloud.d4science.org/group/bluecloud-gateway/vre-data-pool?"+requestIdParam+"="+requestId; //redirect URL
+			URL theURL = new URL(vreConfirmUrl);
+			theResponse = new BrokerResponse(status, message, theURL);
+		} 
+		else {
+			theResponse = new BrokerResponse(500, "An error occurred in the VRE Service, downlaod not possible", null);
+		}
+		Gson gson = new Gson();
+		String toReturn = gson.toJson(theResponse); 
 		response.setContentType("application/json");		
 		response.getWriter().write(toReturn); 
+	}
+
 
+	private boolean authorizeRequest(String requestId,JsonObject jsonObject) {
+		OperationFuture<Boolean> writeOp = null;
+		try {
+			MemcachedClient mClient = new DistributedCacheClient().getMemcachedClient();
+			writeOp = mClient.set(requestId, CACHE_SECONDS_EXPIRATION, jsonObject.toString());		
+			Thread.sleep(500);
+		} catch (Exception e) {
+			e.printStackTrace();
+			return writeOp.getStatus().isSuccess();
+		} 
+		return writeOp.getStatus().isSuccess();
 	}
 
 }