diff --git a/sdncon/ui/static/js/topology.js b/sdncon/ui/static/js/topology.js
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+/*
+Copyright (c) 2013 Sencha Inc. - Author: Nicolas Garcia Belmonte (http://philogb.github.com/)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+ */
+/*
+#
+# Copyright (c) 2013 Big Switch Networks, Inc.
+#
+# Licensed under the Eclipse Public License, Version 1.0 (the
+# "License"); you may not use this file except in compliance with the
+# License. You may obtain a copy of the License at
+#
+#      http://www.eclipse.org/legal/epl-v10.html
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# permissions and limitations under the License.
+#
+*/
+
+//
+// ForceDirected example1.js Javascript
+//
+// Slightly modified for use in rendering a simple network diagram topology
+//
+
+var labelType, useGradients, nativeTextSupport, animate;
+
+(function() {
+  var ua = navigator.userAgent,
+      iStuff = ua.match(/iPhone/i) || ua.match(/iPad/i),
+      typeOfCanvas = typeof HTMLCanvasElement,
+      nativeCanvasSupport = (typeOfCanvas == 'object' || typeOfCanvas == 'function'),
+      textSupport = nativeCanvasSupport 
+        && (typeof document.createElement('canvas').getContext('2d').fillText == 'function');
+  //I'm setting this based on the fact that ExCanvas provides text support for IE
+  //and that as of today iPhone/iPad current text support is lame
+  labelType = (!nativeCanvasSupport || (textSupport && !iStuff))? 'Native' : 'HTML';
+  nativeTextSupport = labelType == 'Native';
+  useGradients = nativeCanvasSupport;
+  animate = !(iStuff || !nativeCanvasSupport);
+})();
+
+var Log = {
+  elem: false,
+  write: function(text){
+    if (!this.elem) 
+      this.elem = document.getElementById('log');
+    this.elem.innerHTML = text;
+    this.elem.style.left = (500 - this.elem.offsetWidth / 2) + 'px';
+  }
+};
+
+
+  // init data
+   var json = loadTopologyJSON();
+  // end
+  // init ForceDirected
+   var fd = new $jit.ForceDirected({
+    //id of the visualization container
+    injectInto: 'infovis',
+    //force height
+    height: 900,
+    //Enable zooming and panning
+    //by scrolling and DnD
+    Navigation: {
+      enable: true,
+      //Enable panning events only if we're dragging the empty
+      //canvas (and not a node).
+      panning: 'avoid nodes',
+      zooming: 10 //zoom speed. higher is more sensible
+    },
+    // Change node and edge styles such as
+    // color and width.
+    // These properties are also set per node
+    // with dollar prefixed data-properties in the
+    // JSON structure.
+    Node: {
+      overridable: true
+    },
+    Edge: {
+      overridable: true,
+      color: '#23A4FF',
+      lineWidth: 0.4
+    },
+    //Native canvas text styling
+    Label: {
+      type: labelType, //Native or HTML
+      size: 10,
+      color: '#000000',
+      style: 'bold'
+    },
+    //Add Tips
+    Tips: {
+      enable: true,
+      onShow: function(tip, node) {
+        if(!node) return;
+        // Build the relations list as a tooltip.
+        // This is done by traversing the clicked node connections.
+        var html = "<div class=\"dynamictable2\"> <table> <tr><td>" + node.name + " links:</td></tr><tr><td>",
+            list = [];
+        node.eachAdjacency(function(adj){
+          list.push(adj.nodeTo.name);
+        });
+        //append connections information
+        tip.innerHTML = html + list.join("</td></tr><tr><td>") + "</td></tr></table></div>";
+      }
+    },
+    // Add node events
+    Events: {
+      enable: true,
+      type: 'Native',
+      //Change cursor style when hovering a node
+      onMouseEnter: function() {
+        fd.canvas.getElement().style.cursor = 'move';
+      },
+      onMouseLeave: function() {
+        fd.canvas.getElement().style.cursor = '';
+      },
+      //Update node positions when dragged
+      onDragMove: function(node, eventInfo, e) {
+          var pos = eventInfo.getPos();
+          node.pos.setc(pos.x, pos.y);
+          fd.plot();
+      },
+      //Implement the same handler for touchscreens
+      onTouchMove: function(node, eventInfo, e) {
+        $jit.util.event.stop(e); //stop default touchmove event
+        this.onDragMove(node, eventInfo, e);
+      },
+      //No node click-handler for now
+      //onClick: function(node) {
+      //}
+    },
+    //Number of iterations for the FD algorithm
+    iterations: 10,
+    //Edge length
+    levelDistance: 130,
+    // Add text to the labels. This method is only triggered
+    // on label creation and only for DOM labels (not native canvas ones).
+    onCreateLabel: function(domElement, node){
+      domElement.innerHTML = node.name;
+      var style = domElement.style;
+      style.fontSize = "0.8em";
+      style.color = "#ddd";
+    },
+    // Change node styles when DOM labels are placed
+    // or moved.
+    onPlaceLabel: function(domElement, node){
+      var style = domElement.style;
+      var left = parseInt(style.left);
+      var top = parseInt(style.top);
+      var w = domElement.offsetWidth;
+      style.left = (left - w / 2) + 'px';
+      style.top = (top + 10) + 'px';
+      style.display = '';
+    }
+  });
+  // load JSON data.
+  fd.loadJSON(json);
+  // compute positions incrementally and animate.
+  fd.computeIncremental({
+    iter: 40,
+    property: 'end',
+    onStep: function(perc){
+      Log.write(perc + '% loaded...');
+    },
+    onComplete: function(){
+      Log.write('done');
+    }
+  });
+  // end