diff --git a/apps/ndn-consumer-zipf-mandelbrot.h b/apps/ndn-consumer-zipf-mandelbrot.h
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2012 Tsinghua University, P.R.China
+ *
+ * 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: Xiaoke Jiang <shock.jiang@gmail.com>
+ */
+
+
+#ifndef NDN_CONSUMER_ZIPF_MANDELBROT_H_
+#define NDN_CONSUMER_ZIPF_MANDELBROT_H_
+
+#include "ndn-consumer.h"
+#include "ns3/ptr.h"
+#include "ns3/log.h"
+#include "ns3/simulator.h"
+#include "ns3/packet.h"
+#include "ns3/callback.h"
+#include "ns3/string.h"
+#include "ns3/uinteger.h"
+#include "ns3/double.h"
+#include "ndn-consumer-cbr.h"
+#include "ns3/random-variable.h"
+
+namespace ns3 {
+namespace ndn {
+
+/**
+ * @ingroup ndn
+ * @brief NDN app requesting contents following Zipf-Mandelbrot Distbituion
+ *
+ * The class implements an app which requests contents following Zipf-Mandelbrot Distribution
+ * Here is the explaination of Zipf-Mandelbrot Distribution: http://en.wikipedia.org/wiki/Zipf%E2%80%93Mandelbrot_law
+
+ */
+//
+class ConsumerZipfMandelbrot: public ns3::ndn::ConsumerCbr {
+public:
+	static TypeId GetTypeId ();
+
+  /**
+   * \brief Default constructor
+   * Sets up randomized Number Generator (RNG)
+   * Note: m_seq of its parent class ConsumerCbr here is used to record the interest number
+   */
+	ConsumerZipfMandelbrot();
+	virtual ~ConsumerZipfMandelbrot();
+
+	virtual void SendPacket();
+	uint32_t GetNextSeq();
+
+protected:
+	virtual void
+	  ScheduleNextPacket ();
+
+private:
+	uint32_t m_N;  //number of the contents
+	double m_q;  //q in (k+q)^s
+	double m_s;  //s in (k+q)^s
+	double * m_Pcum;  //cumulative probability
+
+	UniformVariable * m_SeqRng; //RNG
+
+
+
+};
+
+} /* namespace ndn */
+} /* namespace ns3 */
+#endif /* NDN_CONSUMER_ZIPF_MANDELBROT_H_ */