diff --git a/model/ndn-global-router.h b/model/ndn-global-router.h
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2011 UCLA
+ *
+ * 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 NDN_GLOBAL_ROUTER_H
+#define NDN_GLOBAL_ROUTER_H
+
+#include "ns3/object.h"
+#include "ns3/ptr.h"
+
+#include <list>
+#include <boost/tuple/tuple.hpp>
+
+namespace ns3 {
+
+class Channel;
+class Ndn;
+class NdnFace;
+class NdnNameComponents;
+
+/**
+ * @brief Class representing global router interface for ndnSIM
+ */
+class NdnGlobalRouter : public Object
+{
+public:
+  /**
+   * @brief Graph edge
+   */
+  typedef boost::tuple< Ptr< NdnGlobalRouter >, Ptr< NdnFace >, Ptr< NdnGlobalRouter > > Incidency;
+  /**
+   * @brief List of graph edges
+   */
+  typedef std::list< Incidency > IncidencyList;
+  /**
+   * @brief List of locally exported prefixes
+   */
+  typedef std::list< Ptr<NdnNameComponents> > LocalPrefixList;
+  
+  /**
+   * \brief Interface ID
+   *
+   * \return interface ID
+   */
+  static TypeId
+  GetTypeId ();
+
+  /**
+   * @brief Default constructor
+   */
+  NdnGlobalRouter ();
+
+  /**
+   * @brief Get numeric ID of the node (internally assigned)
+   */
+  uint32_t
+  GetId () const;
+
+  /**
+   * @brief Helper function to get smart pointer to Ndn object (basically, self)
+   */
+  Ptr<Ndn>
+  GetNdn () const;
+
+  /**
+   * @brief Add new locally exported prefix
+   * @param prefix Prefix
+   */
+  void
+  AddLocalPrefix (Ptr< NdnNameComponents > prefix);
+
+  /**
+   * @brief Add edge to the node
+   * @param face Face of the edge
+   * @param ndn NdnGlobalRouter of another node
+   */
+  void
+  AddIncidency (Ptr< NdnFace > face, Ptr< NdnGlobalRouter > ndn);
+
+  /**
+   * @brief Get list of edges that are connected to this node
+   */
+  IncidencyList &
+  GetIncidencies ();
+
+  /**
+   * @brief Get list of locally exported prefixes
+   */
+  const LocalPrefixList &
+  GetLocalPrefixes () const;
+
+  // ??
+protected:
+  virtual void
+  NotifyNewAggregate (); ///< @brief Notify when the object is aggregated to another object (e.g., Node)
+  
+private:
+  uint32_t m_id;
+  
+  Ptr<Ndn> m_ndn;
+  LocalPrefixList m_localPrefixes;
+  IncidencyList m_incidencies;
+
+  static uint32_t m_idCounter;
+};
+
+inline bool
+operator == (const NdnGlobalRouter::Incidency &a,
+             const NdnGlobalRouter::Incidency &b)
+{
+  return a.get<0> () == b.get<0> () &&
+    a.get<1> () == b.get<1> () &&
+    a.get<2> () == b.get<2> ();
+}
+
+inline bool
+operator != (const NdnGlobalRouter::Incidency &a,
+             const NdnGlobalRouter::Incidency &b)
+{
+  return ! (a == b);
+}
+
+}
+
+#endif // NDN_GLOBAL_ROUTER_H