diff --git a/daemon/fw/best-route-strategy2.cpp b/daemon/fw/best-route-strategy2.cpp
index 044f5e9..bd58590 100644
--- a/daemon/fw/best-route-strategy2.cpp
+++ b/daemon/fw/best-route-strategy2.cpp
@@ -1,12 +1,12 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014,  Regents of the University of California,
- *                      Arizona Board of Regents,
- *                      Colorado State University,
- *                      University Pierre & Marie Curie, Sorbonne University,
- *                      Washington University in St. Louis,
- *                      Beijing Institute of Technology,
- *                      The University of Memphis
+ * Copyright (c) 2014-2015,  Regents of the University of California,
+ *                           Arizona Board of Regents,
+ *                           Colorado State University,
+ *                           University Pierre & Marie Curie, Sorbonne University,
+ *                           Washington University in St. Louis,
+ *                           Beijing Institute of Technology,
+ *                           The University of Memphis.
  *
  * This file is part of NFD (Named Data Networking Forwarding Daemon).
  * See AUTHORS.md for complete list of NFD authors and contributors.
@@ -32,8 +32,6 @@
 NFD_LOG_INIT("BestRouteStrategy2");
 
 const Name BestRouteStrategy2::STRATEGY_NAME("ndn:/localhost/nfd/strategy/best-route/%FD%02");
-/// \todo don't use fixed interval; make it adaptive or use exponential back-off #1913
-const time::milliseconds BestRouteStrategy2::MIN_RETRANSMISSION_INTERVAL(100);
 
 BestRouteStrategy2::BestRouteStrategy2(Forwarder& forwarder, const Name& name)
   : Strategy(forwarder, name)
@@ -73,12 +71,6 @@
   return true;
 }
 
-static inline bool
-compare_OutRecord_lastRenewed(const pit::OutRecord& a, const pit::OutRecord& b)
-{
-  return a.getLastRenewed() < b.getLastRenewed();
-}
-
 /** \brief pick an eligible NextHop with earliest OutRecord
  *  \note It is assumed that every nexthop has an OutRecord
  */
@@ -111,8 +103,9 @@
   const fib::NextHopList& nexthops = fibEntry->getNextHops();
   fib::NextHopList::const_iterator it = nexthops.end();
 
-  bool isNewPitEntry = !pitEntry->hasUnexpiredOutRecords();
-  if (isNewPitEntry) {
+  RetransmissionSuppression::Result suppression =
+      m_retransmissionSuppression.decide(inFace, interest, *pitEntry);
+  if (suppression == RetransmissionSuppression::NEW) {
     // forward to nexthop with lowest cost except downstream
     it = std::find_if(nexthops.begin(), nexthops.end(),
       bind(&predicate_NextHop_eligible, pitEntry, _1, inFace.getId(),
@@ -131,24 +124,16 @@
     return;
   }
 
-  // when was the last outgoing Interest?
-  const pit::OutRecordCollection& outRecords = pitEntry->getOutRecords();
-  pit::OutRecordCollection::const_iterator lastOutgoing = std::max_element(
-    outRecords.begin(), outRecords.end(), &compare_OutRecord_lastRenewed);
-  BOOST_ASSERT(lastOutgoing != outRecords.end()); // otherwise it's new PIT entry
-
-  time::steady_clock::TimePoint now = time::steady_clock::now();
-  time::steady_clock::Duration sinceLastOutgoing = now - lastOutgoing->getLastRenewed();
-  bool shouldRetransmit = sinceLastOutgoing >= MIN_RETRANSMISSION_INTERVAL;
-  if (!shouldRetransmit) {
+  if (suppression == RetransmissionSuppression::SUPPRESS) {
     NFD_LOG_DEBUG(interest << " from=" << inFace.getId()
-                           << " dontRetransmit sinceLastOutgoing=" << sinceLastOutgoing.count());
+                           << " suppressed");
     return;
   }
 
   // find an unused upstream with lowest cost except downstream
   it = std::find_if(nexthops.begin(), nexthops.end(),
-    bind(&predicate_NextHop_eligible, pitEntry, _1, inFace.getId(), true, now));
+                    bind(&predicate_NextHop_eligible, pitEntry, _1, inFace.getId(),
+                         true, time::steady_clock::now()));
   if (it != nexthops.end()) {
     shared_ptr<Face> outFace = it->getFace();
     this->sendInterest(pitEntry, outFace);
diff --git a/daemon/fw/best-route-strategy2.hpp b/daemon/fw/best-route-strategy2.hpp
index bb259d0..5a0f3be 100644
--- a/daemon/fw/best-route-strategy2.hpp
+++ b/daemon/fw/best-route-strategy2.hpp
@@ -1,12 +1,12 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014,  Regents of the University of California,
- *                      Arizona Board of Regents,
- *                      Colorado State University,
- *                      University Pierre & Marie Curie, Sorbonne University,
- *                      Washington University in St. Louis,
- *                      Beijing Institute of Technology,
- *                      The University of Memphis
+ * Copyright (c) 2014-2015,  Regents of the University of California,
+ *                           Arizona Board of Regents,
+ *                           Colorado State University,
+ *                           University Pierre & Marie Curie, Sorbonne University,
+ *                           Washington University in St. Louis,
+ *                           Beijing Institute of Technology,
+ *                           The University of Memphis.
  *
  * This file is part of NFD (Named Data Networking Forwarding Daemon).
  * See AUTHORS.md for complete list of NFD authors and contributors.
@@ -27,6 +27,7 @@
 #define NFD_DAEMON_FW_BEST_ROUTE_STRATEGY2_HPP
 
 #include "strategy.hpp"
+#include "retransmission-suppression.hpp"
 
 namespace nfd {
 namespace fw {
@@ -52,7 +53,9 @@
 
 public:
   static const Name STRATEGY_NAME;
-  static const time::milliseconds MIN_RETRANSMISSION_INTERVAL;
+
+private:
+  RetransmissionSuppression m_retransmissionSuppression;
 };
 
 } // namespace fw
diff --git a/daemon/fw/retransmission-suppression.cpp b/daemon/fw/retransmission-suppression.cpp
new file mode 100644
index 0000000..be1ff0b
--- /dev/null
+++ b/daemon/fw/retransmission-suppression.cpp
@@ -0,0 +1,59 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2015,  Regents of the University of California,
+ *                           Arizona Board of Regents,
+ *                           Colorado State University,
+ *                           University Pierre & Marie Curie, Sorbonne University,
+ *                           Washington University in St. Louis,
+ *                           Beijing Institute of Technology,
+ *                           The University of Memphis.
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD 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
+ * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "retransmission-suppression.hpp"
+
+namespace nfd {
+namespace fw {
+
+/// \todo don't use fixed interval; make it adaptive or use exponential back-off #1913
+const time::milliseconds RetransmissionSuppression::MIN_RETRANSMISSION_INTERVAL(100);
+
+RetransmissionSuppression::Result
+RetransmissionSuppression::decide(const Face& inFace, const Interest& interest,
+                                  const pit::Entry& pitEntry)
+{
+  bool isNewPitEntry = !pitEntry.hasUnexpiredOutRecords();
+  if (isNewPitEntry) {
+    return NEW;
+  }
+
+  // when was the last outgoing Interest?
+  const pit::OutRecordCollection& outRecords = pitEntry.getOutRecords();
+  pit::OutRecordCollection::const_iterator lastOutgoing = std::max_element(
+      outRecords.begin(), outRecords.end(),
+      [] (const pit::OutRecord& a, const pit::OutRecord& b) {
+        return a.getLastRenewed() < b.getLastRenewed();
+      });
+  BOOST_ASSERT(lastOutgoing != outRecords.end()); // otherwise it's new PIT entry
+
+  time::steady_clock::TimePoint now = time::steady_clock::now();
+  time::steady_clock::Duration sinceLastOutgoing = now - lastOutgoing->getLastRenewed();
+  bool shouldSuppress = sinceLastOutgoing < MIN_RETRANSMISSION_INTERVAL;
+  return shouldSuppress ? SUPPRESS : FORWARD;
+}
+
+} // namespace fw
+} // namespace nfd
diff --git a/daemon/fw/retransmission-suppression.hpp b/daemon/fw/retransmission-suppression.hpp
new file mode 100644
index 0000000..4553433
--- /dev/null
+++ b/daemon/fw/retransmission-suppression.hpp
@@ -0,0 +1,66 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2015,  Regents of the University of California,
+ *                           Arizona Board of Regents,
+ *                           Colorado State University,
+ *                           University Pierre & Marie Curie, Sorbonne University,
+ *                           Washington University in St. Louis,
+ *                           Beijing Institute of Technology,
+ *                           The University of Memphis.
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD 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
+ * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NFD_DAEMON_FW_RETRANSMISSION_SUPPRESSION_HPP
+#define NFD_DAEMON_FW_RETRANSMISSION_SUPPRESSION_HPP
+
+#include "strategy.hpp"
+
+namespace nfd {
+namespace fw {
+
+/** \brief helper for consumer retransmission suppression
+ */
+class RetransmissionSuppression : noncopyable
+{
+public:
+  enum Result {
+    /** \brief Interest is new (not a retransmission)
+     */
+    NEW,
+
+    /** \brief Interest is retransmission and should be forwarded
+     */
+    FORWARD,
+
+    /** \brief Interest is retransmission and should be suppressed
+     */
+    SUPPRESS
+  };
+
+  /** \brief determines whether Interest is a retransmission,
+   *         and if so, whether it shall be forwarded or suppressed
+   */
+  Result
+  decide(const Face& inFace, const Interest& interest, const pit::Entry& pitEntry);
+
+PUBLIC_WITH_TESTS_ELSE_PRIVATE:
+  static const time::milliseconds MIN_RETRANSMISSION_INTERVAL;
+};
+
+} // namespace fw
+} // namespace nfd
+
+#endif // NFD_DAEMON_FW_RETRANSMISSION_SUPPRESSION_HPP