diff --git a/model/ccnx-content-store-policies.h b/model/ccnx-content-store-policies.h
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+++ b/model/ccnx-content-store-policies.h
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+/* -*-  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>
+ *         Ilya Moiseenko <iliamo@cs.ucla.edu>
+ */
+
+#ifndef CCNX_CONTENT_STORE_POLICIES_H
+#define	CCNX_CONTENT_STORE_POLICIES_H
+
+#include "ccnx-content-store-impl.h"
+
+#include "ccnx.h"
+#include "ccnx-name-components-hash-helper.h"
+
+#include "../utils/trie.h"
+#include "../utils/trie-with-policy.h"
+
+#include "../utils/lru-policy.h"
+#include "../utils/random-policy.h"
+#include "../utils/fifo-policy.h"
+
+namespace  ns3
+{
+
+/**
+ * \ingroup ccnx
+ * \brief Content Store with LRU replacement policy
+ */
+class CcnxContentStoreLru :
+    public CcnxContentStoreImpl<
+      trie_with_policy<CcnxNameComponents,
+                       CcnxContentStoreEntry,
+                       smart_pointer_payload_traits<CcnxContentStoreEntry>,
+                       lru_policy_traits<CcnxNameComponents,
+                                         CcnxContentStoreEntry,
+                                         smart_pointer_payload_traits<CcnxContentStoreEntry> > >
+      >
+{
+public:
+  /**
+   * \brief Interface ID
+   *
+   * \return interface ID
+   */
+  static TypeId GetTypeId ();
+
+  /**
+   * Default constructor
+   */
+  CcnxContentStoreLru ();
+  virtual ~CcnxContentStoreLru ();
+
+private:
+  void
+  SetMaxSize (uint32_t maxSize);
+
+  uint32_t
+  GetMaxSize () const;
+};
+
+
+/**
+ * \ingroup ccnx
+ * \brief Content Store with RANDOM replacement policy
+ */
+class CcnxContentStoreRandom :
+    public CcnxContentStoreImpl<
+      trie_with_policy<CcnxNameComponents,
+                       CcnxContentStoreEntry,
+                       smart_pointer_payload_traits<CcnxContentStoreEntry>,
+                       random_policy_traits<CcnxNameComponents,
+                                            CcnxContentStoreEntry,
+                                            smart_pointer_payload_traits<CcnxContentStoreEntry> > >
+      >
+{
+public:
+  /**
+   * \brief Interface ID
+   *
+   * \return interface ID
+   */
+  static TypeId GetTypeId ();
+
+  /**
+   * Default constructor
+   */
+  CcnxContentStoreRandom ();
+  virtual ~CcnxContentStoreRandom ();
+
+private:
+  void
+  SetMaxSize (uint32_t maxSize);
+
+  uint32_t
+  GetMaxSize () const;
+};
+
+/**
+ * \ingroup ccnx
+ * \brief Content Store with FIFO replacement policy
+ */
+class CcnxContentStoreFifo :
+    public CcnxContentStoreImpl<
+      trie_with_policy<CcnxNameComponents,
+                       CcnxContentStoreEntry,
+                       smart_pointer_payload_traits<CcnxContentStoreEntry>,
+                       fifo_policy_traits<CcnxNameComponents,
+                                          CcnxContentStoreEntry,
+                                          smart_pointer_payload_traits<CcnxContentStoreEntry> > >
+      >
+{
+public:
+  /**
+   * \brief Interface ID
+   *
+   * \return interface ID
+   */
+  static TypeId GetTypeId ();
+
+  /**
+   * Default constructor
+   */
+  CcnxContentStoreFifo ();
+  virtual ~CcnxContentStoreFifo ();
+
+private:
+  void
+  SetMaxSize (uint32_t maxSize);
+
+  uint32_t
+  GetMaxSize () const;
+};
+
+
+} //namespace ns3
+
+#endif // CCNX_CONTENT_STORE_POLICIES_H