diff --git a/distro/web.xml b/distro/web.xml
index 3f174c5..e5ee400 100644
--- a/distro/web.xml
+++ b/distro/web.xml
@@ -11,6 +11,20 @@
 		<param-name>algorithmDirectory</param-name>
 		<param-value>/home/gcube/wps_algorithms/algorithms</param-value>
 	</context-param>
+	
+	<context-param>
+		<param-name>maxComputation</param-name>
+		<param-value>4</param-value>
+	</context-param>
+	<context-param>
+		<param-name>saveOnStorage</param-name>
+		<param-value>true</param-value>
+	</context-param>
+	<context-param>
+		<param-name>simulationMode</param-name>
+		<param-value>false</param-value>
+	</context-param>
+	
 
 	<!-- security-constraint> <web-resource-collection> <web-resource-name>My 
 		JSP</web-resource-name> <url-pattern>/webAdmin/index.jsp</url-pattern> <http-method>GET</http-method> 
diff --git a/src/main/java/org/gcube/data/analysis/wps/ExecuteRequest.java b/src/main/java/org/gcube/data/analysis/wps/ExecuteRequest.java
index 571b562..6603716 100644
--- a/src/main/java/org/gcube/data/analysis/wps/ExecuteRequest.java
+++ b/src/main/java/org/gcube/data/analysis/wps/ExecuteRequest.java
@@ -43,6 +43,7 @@ import org.apache.xmlbeans.XmlException;
 import org.apache.xmlbeans.XmlObject;
 import org.apache.xmlbeans.XmlOptions;
 import org.gcube.dataanalysis.wps.statisticalmanager.synchserver.mapping.AbstractEcologicalEngineMapper;
+import org.gcube.dataanalysis.wps.statisticalmanager.synchserver.mapping.EnvironmentVariableManager;
 import org.n52.wps.commons.context.ExecutionContext;
 import org.n52.wps.commons.context.ExecutionContextFactory;
 import org.n52.wps.io.data.IComplexData;
@@ -70,7 +71,8 @@ public class ExecuteRequest extends Request implements IObserver {
 	private ExecuteDocument execDom;
 	private Map<String, IData> returnResults;
 	private ExecuteResponseBuilder execRespType;
-
+	private EnvironmentVariableManager env;
+	
 	/**
 	 * Creates an ExecuteRequest based on a Document (HTTP_POST)
 	 * 
@@ -78,8 +80,9 @@ public class ExecuteRequest extends Request implements IObserver {
 	 *            The clients submission
 	 * @throws ExceptionReport
 	 */
-	public ExecuteRequest(Document doc) throws ExceptionReport {
+	public ExecuteRequest(Document doc, EnvironmentVariableManager env) throws ExceptionReport {
 		super(doc);
+		this.env = env;
 		initWpsID();
 		try {
 			LOGGER.debug("Preparing the ExecuteRequest for POST");
@@ -113,8 +116,9 @@ public class ExecuteRequest extends Request implements IObserver {
 	 * treated as non case sensitive. @param ciMap The client input @throws
 	 * ExceptionReport
 	 */
-	public ExecuteRequest(CaseInsensitiveMap ciMap) throws ExceptionReport {
+	public ExecuteRequest(CaseInsensitiveMap ciMap, EnvironmentVariableManager env) throws ExceptionReport {
 		super(ciMap);
+		this.env = env;
 		initWpsID();
 		initForGET(ciMap);
 		// validate the client input
@@ -598,9 +602,12 @@ public class ExecuteRequest extends Request implements IObserver {
 			}
 			if (algorithm instanceof AbstractEcologicalEngineMapper) {
 				((AbstractEcologicalEngineMapper) algorithm).setWpsExternalID(wpsid);
+				((AbstractEcologicalEngineMapper) algorithm).setEnvironmentVariableManager(env);
 				((AbstractEcologicalEngineMapper) algorithm).setObserver(GCubeObserver.getObserver());
 			}
 			
+			
+			//TODO: running algorithm
 			if (algorithm instanceof AbstractTransactionalAlgorithm) {
 				returnResults = ((AbstractTransactionalAlgorithm) algorithm).run(execDom);
 			} else {
diff --git a/src/main/java/org/gcube/data/analysis/wps/RequestHandler.java b/src/main/java/org/gcube/data/analysis/wps/RequestHandler.java
index 7660826..b0b6bb7 100644
--- a/src/main/java/org/gcube/data/analysis/wps/RequestHandler.java
+++ b/src/main/java/org/gcube/data/analysis/wps/RequestHandler.java
@@ -43,6 +43,7 @@ import javax.xml.parsers.ParserConfigurationException;
 import org.apache.commons.collections.map.CaseInsensitiveMap;
 import org.apache.commons.io.IOUtils;
 import org.gcube.common.authorization.library.AuthorizedTasks;
+import org.gcube.dataanalysis.wps.statisticalmanager.synchserver.mapping.EnvironmentVariableManager;
 import org.gcube.smartgears.utils.InnerMethodName;
 import org.n52.wps.server.ExceptionReport;
 import org.n52.wps.server.WebProcessingService;
@@ -74,6 +75,8 @@ public class RequestHandler {
 	
 	protected Request req;
 	
+	private EnvironmentVariableManager env;
+	
 	// Empty constructor due to classes which extend the RequestHandler
 	protected RequestHandler() {
 		
@@ -90,10 +93,11 @@ public class RequestHandler {
 	 * @throws ExceptionReport
 	 *             If the requested operation is not supported
 	 */
-	public RequestHandler(Map<String, String[]> params, OutputStream os)
+	public RequestHandler(Map<String, String[]> params, OutputStream os, EnvironmentVariableManager env)
 			throws ExceptionReport {
 		this.os = os;
 		this.params=params;
+		this.env = env;
 		//sleepingTime is 0, by default.
 		/*if(WPSConfiguration.getInstance().exists(PROPERTY_NAME_COMPUTATION_TIMEOUT)) {
 			this.sleepingTime = Integer.parseInt(WPSConfiguration.getInstance().getProperty(PROPERTY_NAME_COMPUTATION_TIMEOUT));
@@ -138,7 +142,7 @@ public class RequestHandler {
 			InnerMethodName.instance.set("DescribeProcess");
 		}
 		else if (requestType.equalsIgnoreCase("Execute")) {
-			req = new ExecuteRequest(ciMap);
+			req = new ExecuteRequest(ciMap, env);
 			setResponseMimeType((ExecuteRequest)req);
 			InnerMethodName.instance.set("Execute");
 		} 
@@ -259,7 +263,7 @@ public class RequestHandler {
 		// get the request type
 		if (nodeURI.equals(WebProcessingService.WPS_NAMESPACE) && localName.equals("Execute")) {
 			LOGGER.debug("Detected Request to Execute!");
-			req = new ExecuteRequest(doc);
+			req = new ExecuteRequest(doc, env);
 			setResponseMimeType((ExecuteRequest)req);
 			InnerMethodName.instance.set("Execute");
 			LOGGER.debug("Request to Execute Configured!");
diff --git a/src/main/java/org/gcube/data/analysis/wps/WebProcessingService.java b/src/main/java/org/gcube/data/analysis/wps/WebProcessingService.java
index ac8a093..1491a1e 100644
--- a/src/main/java/org/gcube/data/analysis/wps/WebProcessingService.java
+++ b/src/main/java/org/gcube/data/analysis/wps/WebProcessingService.java
@@ -50,6 +50,7 @@ import javax.servlet.http.HttpServletResponse;
 import org.apache.xmlbeans.XmlException;
 import org.gcube.data.analysis.wps.repository.AlgorithmUpdater;
 import org.gcube.data.analysis.wps.repository.GcubeAlgorithmRepository;
+import org.gcube.dataanalysis.wps.statisticalmanager.synchserver.mapping.EnvironmentVariableManager;
 import org.gcube.smartgears.ContextProvider;
 import org.gcube.smartgears.context.application.ApplicationContext;
 import org.n52.wps.GeneratorDocument.Generator;
@@ -85,9 +86,12 @@ public class WebProcessingService extends HttpServlet {
 
 	private static final String DIRECTORY_PARAM = "algorithmDirectory";
 	
+	private static final String MAX_COMPUTATION_PARAM = "maxComputation";
+	private static final String SAVEONSTORAGE_PARAM = "saveOnStorage";
+	private static final String SIMULATION_MODE_PARAM = "simulationMode";
+	
 	private ApplicationContext context = ContextProvider.get();
-	
-	
+	private EnvironmentVariableManager env ;
 	
 		
 	@Override
@@ -95,6 +99,12 @@ public class WebProcessingService extends HttpServlet {
 		LOGGER.info("initialising WPS");
 		String  dir = (String)context.application().getInitParameter(DIRECTORY_PARAM);
 		GcubeAlgorithmRepository.setUpdater(new AlgorithmUpdater(dir));
+		
+		int maxComp = Integer.parseInt(context.application().getInitParameter(MAX_COMPUTATION_PARAM));
+		boolean saveOnStorage = Boolean.parseBoolean(context.application().getInitParameter(SAVEONSTORAGE_PARAM));
+		boolean simulationMode = Boolean.parseBoolean(context.application().getInitParameter(SIMULATION_MODE_PARAM));
+		
+		env = new EnvironmentVariableManager(maxComp, saveOnStorage, simulationMode);
 		LOGGER.info("WPS initialised");
 	}
 
@@ -277,7 +287,7 @@ public class WebProcessingService extends HttpServlet {
 			OutputStream out = res.getOutputStream(); // closed by res.flushBuffer();
 			
 			@SuppressWarnings("unchecked")
-			RequestHandler handler = new RequestHandler((Map<String, String[]>) req.getParameterMap(), out);
+			RequestHandler handler = new RequestHandler((Map<String, String[]>) req.getParameterMap(), out, env);
 			String mimeType = handler.getResponseMimeType();
 			res.setContentType(mimeType);
 			handler.handle();
diff --git a/src/main/webapp/WEB-INF/README b/src/main/webapp/WEB-INF/README
index 1a600da..1304c31 100644
--- a/src/main/webapp/WEB-INF/README
+++ b/src/main/webapp/WEB-INF/README
@@ -25,7 +25,7 @@ no. 654119), SoBigData (grant no. 654024), AGINFRA PLUS (grant no. 731001).
 Version
 --------------------------------------------------
  
-1.1.1-SNAPSHOT (2018-06-14)
+1.1.1-SNAPSHOT (2018-10-12)
  
 Please see the file named "changelog.xml" in this directory for the release notes.
  
diff --git a/src/main/webapp/WEB-INF/web.xml b/src/main/webapp/WEB-INF/web.xml
index 3f174c5..e5ee400 100644
--- a/src/main/webapp/WEB-INF/web.xml
+++ b/src/main/webapp/WEB-INF/web.xml
@@ -11,6 +11,20 @@
 		<param-name>algorithmDirectory</param-name>
 		<param-value>/home/gcube/wps_algorithms/algorithms</param-value>
 	</context-param>
+	
+	<context-param>
+		<param-name>maxComputation</param-name>
+		<param-value>4</param-value>
+	</context-param>
+	<context-param>
+		<param-name>saveOnStorage</param-name>
+		<param-value>true</param-value>
+	</context-param>
+	<context-param>
+		<param-name>simulationMode</param-name>
+		<param-value>false</param-value>
+	</context-param>
+	
 
 	<!-- security-constraint> <web-resource-collection> <web-resource-name>My 
 		JSP</web-resource-name> <url-pattern>/webAdmin/index.jsp</url-pattern> <http-method>GET</http-method>