diff --git a/helper/ndn-link-control-helper.cc b/helper/ndn-link-control-helper.cc
new file mode 100644
index 0000000..cf2b99d
--- /dev/null
+++ b/helper/ndn-link-control-helper.cc
@@ -0,0 +1,139 @@
+/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2013 University of California, Los Angeles
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ *       : Saran Tarnoi <saran.tarnoi@gmail.com>
+ */
+
+#include "ndn-link-control-helper.h"
+
+#include "ns3/assert.h"
+#include "ns3/names.h"
+#include "ns3/point-to-point-net-device.h"
+#include "ns3/point-to-point-channel.h"
+#include "ns3/channel.h"
+#include "ns3/log.h"
+
+#include "ns3/ndn-l3-protocol.h"
+#include "ns3/ndn-net-device-face.h"
+
+NS_LOG_COMPONENT_DEFINE ("ndn.LinkControlHelper");
+
+namespace ns3 {
+namespace ndn {
+
+void
+LinkControlHelper::FailLink (Ptr<Node> node1, Ptr<Node> node2)
+{
+  NS_LOG_FUNCTION (node1 << node2);
+  
+  NS_ASSERT (node1 != 0);
+  NS_ASSERT (node2 != 0);
+  
+  Ptr<ndn::L3Protocol> ndn1 = node1->GetObject<ndn::L3Protocol> ();
+  Ptr<ndn::L3Protocol> ndn2 = node2->GetObject<ndn::L3Protocol> ();
+
+  NS_ASSERT (ndn1 != 0);
+  NS_ASSERT (ndn2 != 0);
+
+  // iterate over all faces to find the right one
+  for (uint32_t faceId = 0; faceId < ndn1->GetNFaces (); faceId++)
+    {
+      Ptr<ndn::NetDeviceFace> ndFace = ndn1->GetFace (faceId)->GetObject<ndn::NetDeviceFace> ();
+      if (ndFace == 0) continue;
+
+      Ptr<PointToPointNetDevice> nd1 = ndFace->GetNetDevice ()->GetObject<PointToPointNetDevice> ();
+      if (nd1 == 0) continue;
+
+      Ptr<Channel> channel = nd1->GetChannel ();
+      if (channel == 0) continue;
+
+      Ptr<PointToPointChannel> ppChannel = DynamicCast<PointToPointChannel> (channel);
+
+      Ptr<NetDevice> nd2 = ppChannel->GetDevice (0);
+      if (nd2->GetNode () == node1)
+        nd2 = ppChannel->GetDevice (1);
+
+      if (nd2->GetNode () == node2)
+        {
+          Ptr<ndn::Face> face1 = ndn1->GetFaceByNetDevice (nd1);
+          Ptr<ndn::Face> face2 = ndn2->GetFaceByNetDevice (nd2);
+
+          face1->SetUp (false);
+          face2->SetUp (false);
+          break;
+        }
+    }
+}
+void
+LinkControlHelper::FailLinkByName (const std::string &node1, const std::string &node2)
+{
+  FailLink (Names::Find<Node> (node1), Names::Find<Node> (node2));
+}
+
+void
+LinkControlHelper::UpLink (Ptr<Node> node1, Ptr<Node> node2)
+{
+  NS_LOG_FUNCTION (node1 << node2);
+
+  NS_ASSERT (node1 != 0);
+  NS_ASSERT (node2 != 0);
+  
+  Ptr<ndn::L3Protocol> ndn1 = node1->GetObject<ndn::L3Protocol> ();
+  Ptr<ndn::L3Protocol> ndn2 = node2->GetObject<ndn::L3Protocol> ();
+
+  NS_ASSERT (ndn1 != 0);
+  NS_ASSERT (ndn2 != 0);
+
+  // iterate over all faces to find the right one
+  for (uint32_t faceId = 0; faceId < ndn1->GetNFaces (); faceId++)
+    {
+      Ptr<ndn::NetDeviceFace> ndFace = ndn1->GetFace (faceId)->GetObject<ndn::NetDeviceFace> ();
+      if (ndFace == 0) continue;
+
+      Ptr<PointToPointNetDevice> nd1 = ndFace->GetNetDevice ()->GetObject<PointToPointNetDevice> ();
+      if (nd1 == 0) continue;
+
+      Ptr<Channel> channel = nd1->GetChannel ();
+      if (channel == 0) continue;
+
+      Ptr<PointToPointChannel> ppChannel = DynamicCast<PointToPointChannel> (channel);
+
+      Ptr<NetDevice> nd2 = ppChannel->GetDevice (0);
+      if (nd2->GetNode () == node1)
+        nd2 = ppChannel->GetDevice (1);
+
+      if (nd2->GetNode () == node2)
+        {
+          Ptr<ndn::Face> face1 = ndn1->GetFaceByNetDevice (nd1);
+          Ptr<ndn::Face> face2 = ndn2->GetFaceByNetDevice (nd2);
+
+          face1->SetUp (true);
+          face2->SetUp (true);
+          break;
+        }
+    }
+}
+
+void
+LinkControlHelper::UpLinkByName (const std::string &node1, const std::string &node2)
+{
+  UpLink (Names::Find<Node> (node1), Names::Find<Node> (node2));
+}
+
+}
+}