diff --git a/addons/web/static/src/js/boot.js b/addons/web/static/src/js/boot.js
index f41185be0c6..a8ecd8a0ee5 100644
--- a/addons/web/static/src/js/boot.js
+++ b/addons/web/static/src/js/boot.js
@@ -21,7 +21,16 @@
          *
          * @param {Array} modules list of modules to initialize
          */
-        init: function(modules) {
+        init: function(modules, connection, callback) {
+    
+            if (/^(function|undefined)$/.test(typeof connection)) {
+                callback = connection;
+                connection = {
+                    host: document.location.protocol + '//' + document.location.host,
+                };
+            }
+
+
             var new_instance = {
                 // links to the global openerp
                 _openerp: openerp,
@@ -39,6 +48,20 @@
             for(var i=0; i < modules.length; i++) {
                 openerp[modules[i]](new_instance);
             }
+
+            new_instance.connector = new new_instance.web.Connection(connection.host);
+            if (connection.login) {
+                new_instance.connector.login(connection.database, connection.login, connection.password, function() {
+                    if (callback) {
+                        callback(new_instance);
+                    }
+                });
+            } else {
+                if (callback) {
+                    callback(new_instance);
+                }
+            }
+
             return new_instance;
         }
     };
diff --git a/addons/web/static/src/js/chrome.js b/addons/web/static/src/js/chrome.js
index 38923d268cf..27f0188e355 100644
--- a/addons/web/static/src/js/chrome.js
+++ b/addons/web/static/src/js/chrome.js
@@ -136,10 +136,9 @@ openerp.web.Dialog = openerp.web.OldWidget.extend(/** @lends openerp.web.Dialog#
     }
 });
 
-openerp.web.CrashManager = openerp.web.SessionAware.extend({
-    init: function(parent) {
-        this._super((parent || {}).session);
-        this.session.on_rpc_error.add(this.on_rpc_error);
+openerp.web.CrashManager = openerp.web.CallbackEnabled.extend({
+    init: function() {
+        openerp.connector.on_rpc_error.add(this.on_rpc_error);
     },
     on_rpc_error: function(error) {
         this.error = error;
@@ -951,7 +950,6 @@ openerp.web.WebClient = openerp.web.Widget.extend(/** @lends openerp.web.WebClie
         this.$element.html(QWeb.render("Interface", params));
 
         this.notification = new openerp.web.Notification();
-        this.session = new openerp.web.Session();
         this.loading = new openerp.web.Loading(this,"oe_loading");
         this.crashmanager =  new openerp.web.CrashManager(this);
 
diff --git a/addons/web/static/src/js/core.js b/addons/web/static/src/js/core.js
index 9563abea49a..75f2bb8ef71 100644
--- a/addons/web/static/src/js/core.js
+++ b/addons/web/static/src/js/core.js
@@ -237,8 +237,8 @@ openerp.web.Registry = openerp.web.Class.extend( /** @lends openerp.web.Registry
      * registry was created.
      *
      * An object path is simply a dotted name from the openerp root to the
-     * object pointed to (e.g. ``"openerp.web.Session"`` for an OpenERP
-     * session object).
+     * object pointed to (e.g. ``"openerp.web.Connection"`` for an OpenERP
+     * connection object).
      *
      * @constructs openerp.web.Registry
      * @param {Object} mapping a mapping of keys to object-paths
@@ -338,9 +338,9 @@ openerp.web.CallbackEnabled = openerp.web.Class.extend(/** @lends openerp.web.Ca
     }
 });
 
-openerp.web.Session = openerp.web.CallbackEnabled.extend( /** @lends openerp.web.Session# */{
+openerp.web.Connection = openerp.web.CallbackEnabled.extend( /** @lends openerp.web.Connection# */{
     /**
-     * @constructs openerp.web.Session
+     * @constructs openerp.web.Connection
      * @extends openerp.web.CallbackEnabled
      *
      * @param {String} [server] JSON-RPC endpoint hostname
@@ -490,6 +490,7 @@ openerp.web.Session = openerp.web.CallbackEnabled.extend( /** @lends openerp.web
             return true;
         }).then(success_callback);
     },
+    login: function() { this.session_login.apply(this, arguments); },
     /**
      * Reloads uid and session_id from local storage, if they exist
      */
@@ -716,36 +717,6 @@ openerp.web.Session = openerp.web.CallbackEnabled.extend( /** @lends openerp.web
     }
 });
 
-openerp.web.SessionAware = openerp.web.CallbackEnabled.extend(/** @lends openerp.web.SessionAware# */{
-    /**
-     * Utility class that any class is allowed to extend to easy common manipulations.
-     *
-     * It provides rpc calls, callback on all methods preceded by "on_" or "do_" and a
-     * logging facility.
-     *
-     * @constructs openerp.web.SessionAware
-     * @extends openerp.web.CallbackEnabled
-     *
-     * @param {openerp.web.Session} session
-     */
-    init: function(session) {
-        this._super();
-        this.session = session;
-    },
-    /**
-     * Performs a JSON-RPC call
-     *
-     * @param {String} url endpoint url
-     * @param {Object} data RPC parameters
-     * @param {Function} success RPC call success callback
-     * @param {Function} error RPC call error callback
-     * @returns {jQuery.Deferred} deferred object for the RPC call
-     */
-    rpc: function(url, data, success, error) {
-        return this.session.rpc(url, data, success, error);
-    }
-});
-
 /**
  * Base class for all visual components. Provides a lot of functionalities helpful
  * for the management of a part of the DOM.
@@ -756,8 +727,6 @@ openerp.web.SessionAware = openerp.web.CallbackEnabled.extend(/** @lends openerp
  *     destroyed too).
  * - Insertion in DOM.
  *
- * Widget also extends SessionAware for ease of use.
- *
  * Guide to create implementations of the Widget class:
  * ==============================================
  *
@@ -798,7 +767,7 @@ openerp.web.SessionAware = openerp.web.CallbackEnabled.extend(/** @lends openerp
  *
  * That will kill the widget in a clean way and erase its content from the dom.
  */
-openerp.web.Widget = openerp.web.SessionAware.extend(/** @lends openerp.web.Widget# */{
+openerp.web.Widget = openerp.web.CallbackEnabled.extend(/** @lends openerp.web.Widget# */{
     /**
      * The name of the QWeb template that will be used for rendering. Must be
      * redefined in subclasses or the default render() method can not be used.
@@ -817,7 +786,7 @@ openerp.web.Widget = openerp.web.SessionAware.extend(/** @lends openerp.web.Widg
      * Construct the widget and set its parent if a parent is given.
      *
      * @constructs openerp.web.Widget
-     * @extends openerp.web.SessionAware
+     * @extends openerp.web.CallbackEnabled
      *
      * @param {openerp.web.Widget} parent Binds the current instance to the given Widget instance.
      * When that widget is destroyed by calling stop(), the current instance will be
@@ -828,7 +797,8 @@ openerp.web.Widget = openerp.web.SessionAware.extend(/** @lends openerp.web.Widg
      * for new components this argument should not be provided any more.
      */
     init: function(parent, /** @deprecated */ element_id) {
-        this._super((parent || {}).session);
+        this._super();
+        this.session = openerp.connector;
         // if given an element_id, try to get the associated DOM element and save
         // a reference in this.$element. Else just generate a unique identifier.
         this.element_id = element_id;
@@ -967,7 +937,7 @@ openerp.web.Widget = openerp.web.SessionAware.extend(/** @lends openerp.web.Widg
     rpc: function(url, data, success, error) {
         var def = $.Deferred().then(success, error);
         var self = this;
-        this._super(url, data). then(function() {
+        openerp.connector.rpc(url, data). then(function() {
             if (!self.widget_is_stopped)
                 def.resolve.apply(def, arguments);
         }, function() {
diff --git a/addons/web/static/src/js/data.js b/addons/web/static/src/js/data.js
index 069506586ad..4e14b9eb6a9 100644
--- a/addons/web/static/src/js/data.js
+++ b/addons/web/static/src/js/data.js
@@ -32,7 +32,7 @@ openerp.web.DataGroup =  openerp.web.Widget.extend( /** @lends openerp.web.DataG
      * @constructs openerp.web.DataGroup
      * @extends openerp.web.Widget
      *
-     * @param {openerp.web.Session} session Current OpenERP session
+     * @param {openerp.web.Widget} parent widget
      * @param {String} model name of the model managed by this DataGroup
      * @param {Array} domain search domain for this DataGroup
      * @param {Object} context context of the DataGroup's searches
@@ -785,11 +785,15 @@ openerp.web.ProxyDataSet = openerp.web.DataSetSearch.extend({
     on_unlink: function(ids) {}
 });
 
-openerp.web.Model = openerp.web.SessionAware.extend({
-    init: function(session, model_name) {
-        this._super(session);
+openerp.web.Model = openerp.web.CallbackEnabled.extend({
+    init: function(_, model_name) {
+        this._super();
         this.model_name = model_name;
     },
+    rpc: function() {
+        var c = openerp.connector;
+        return c.rpc.apply(c, arguments);
+    },
     get_func: function(method_name) {
         var self = this;
         return function() {