diff --git a/ns3/sync-logic-helper.cc b/ns3/sync-logic-helper.cc
new file mode 100644
index 0000000..2425ec3
--- /dev/null
+++ b/ns3/sync-logic-helper.cc
@@ -0,0 +1,94 @@
+/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2011 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>
+ */
+
+#include "sync-logic-helper.h"
+#include "sync-logic.h"
+
+#include "ns3/log.h"
+#include "ns3/string.h"
+#include "ns3/names.h"
+
+NS_LOG_COMPONENT_DEFINE ("SyncLogicHelper");
+
+using namespace ns3;
+
+namespace Sync 
+{
+
+SyncLogicHelper::SyncLogicHelper ()
+{
+  // m_factory.SetTypeId ("Sync::SyncLogic");
+}
+
+void
+SyncLogicHelper::SetPrefix (const std::string &prefix)
+{
+  m_prefix = prefix;
+}
+
+
+void
+SyncLogicHelper::SetCallbacks (LogicUpdateCallback onUpdate, LogicRemoveCallback onRemove)
+{
+  m_onUpdate = onUpdate;
+  m_onRemove = onRemove;
+}
+
+// void 
+// CcnxAppHelper::SetAttribute (std::string name, const AttributeValue &value)
+// {
+//   m_factory.Set (name, value);
+// }
+    
+ApplicationContainer
+SyncLogicHelper::Install (Ptr<Node> node)
+{
+  return ApplicationContainer (InstallPriv (node));
+}
+    
+ApplicationContainer
+SyncLogicHelper::Install (std::string nodeName)
+{
+  Ptr<Node> node = Names::Find<Node> (nodeName);
+  return ApplicationContainer (InstallPriv (node));
+}
+    
+ApplicationContainer
+SyncLogicHelper::Install (NodeContainer c)
+{
+  ApplicationContainer apps;
+  for (NodeContainer::Iterator i = c.Begin (); i != c.End (); ++i)
+    {
+      apps.Add (InstallPriv (*i));
+    }
+    
+  return apps;
+}
+    
+Ptr<Application>
+SyncLogicHelper::InstallPriv (Ptr<Node> node)
+{
+  Ptr<SyncLogic> app = CreateObject<SyncLogic> ("/sync", m_onUpdate, m_onRemove);
+  node->AddApplication (app);
+        
+  return app;
+}
+
+}
diff --git a/ns3/sync-logic-helper.h b/ns3/sync-logic-helper.h
new file mode 100644
index 0000000..20ad746
--- /dev/null
+++ b/ns3/sync-logic-helper.h
@@ -0,0 +1,115 @@
+/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2011 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>
+ */
+
+#ifndef SYNC_LOGIC_HELPER_H
+#define SYNC_LOGIC_HELPER_H
+
+#include "ns3/object-factory.h"
+#include "ns3/attribute.h"
+#include "ns3/node-container.h"
+#include "ns3/application-container.h"
+#include "ns3/ptr.h"
+
+#include <boost/function.hpp>
+
+namespace Sync 
+{
+
+class SeqNo;
+
+/**
+ * \brief A helper to make it easier to instantiate an ns3::CcnxConsumer Application
+ * on a set of nodes.
+ */
+class SyncLogicHelper
+{        
+public:
+  typedef boost::function< void ( const std::string &/*prefix*/, const SeqNo &/*newSeq*/, const SeqNo &/*oldSeq*/ ) > LogicUpdateCallback;
+  typedef boost::function< void ( const std::string &/*prefix*/ ) > LogicRemoveCallback;
+
+  /**
+   * \brief Create an CcnxAppHelper to make it easier to work with CCNx apps
+   *
+   * \param app Class of the application
+   */
+  SyncLogicHelper ();
+
+  /**
+   * @brief Set the sync prefix
+   */
+  void
+  SetPrefix (const std::string &prefix);
+
+  /**
+   * @brief Set onUpdate and onRemove callbacks
+   */
+  void
+  SetCallbacks (LogicUpdateCallback onUpdate, LogicRemoveCallback onRemove);
+  
+  /**
+   * Install an ns3::CcnxConsumer on each node of the input container
+   * configured with all the attributes set with SetAttribute.
+   *
+   * \param c NodeContainer of the set of nodes on which an CcnxConsumer 
+   * will be installed.
+   * \returns Container of Ptr to the applications installed.
+   */
+  ns3::ApplicationContainer
+  Install (ns3::NodeContainer c);
+        
+  /**
+   * Install an ns3::CcnxConsumer on the node configured with all the 
+   * attributes set with SetAttribute.
+   *
+   * \param node The node on which an CcnxConsumer will be installed.
+   * \returns Container of Ptr to the applications installed.
+   */
+  ns3::ApplicationContainer
+  Install (ns3::Ptr<ns3::Node> node);
+        
+  /**
+   * Install an ns3::CcnxConsumer on the node configured with all the 
+   * attributes set with SetAttribute.
+   *
+   * \param nodeName The node on which an CcnxConsumer will be installed.
+   * \returns Container of Ptr to the applications installed.
+   */
+  ns3::ApplicationContainer
+  Install (std::string nodeName);
+        
+private:
+  /**
+   * \internal
+   * Install an ns3::CcnxConsumer on the node configured with all the 
+   * attributes set with SetAttribute.
+   *
+   * \param node The node on which an CcnxConsumer will be installed.
+   * \returns Ptr to the application installed.
+   */
+  ns3::Ptr<ns3::Application> InstallPriv (ns3::Ptr<ns3::Node> node);
+  std::string m_prefix; // sync prefix
+  LogicUpdateCallback m_onUpdate;
+  LogicRemoveCallback m_onRemove;
+};
+
+} // namespace Sync
+
+#endif // SYNC_LOGIC_HELPER_H
+