diff --git a/daemon/fw/access-strategy.cpp b/daemon/fw/access-strategy.cpp
new file mode 100644
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+++ b/daemon/fw/access-strategy.cpp
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+/* -*- 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 "access-strategy.hpp"
+#include "core/logger.hpp"
+
+namespace nfd {
+namespace fw {
+
+NFD_LOG_INIT("AccessStrategy");
+
+const Name AccessStrategy::STRATEGY_NAME("ndn:/localhost/nfd/strategy/access/%FD%01");
+
+AccessStrategy::AccessStrategy(Forwarder& forwarder, const Name& name)
+  : Strategy(forwarder, name)
+  , m_removeFaceInfoConn(this->beforeRemoveFace.connect(
+                         bind(&AccessStrategy::removeFaceInfo, this, _1)))
+{
+}
+
+AccessStrategy::~AccessStrategy()
+{
+}
+
+void
+AccessStrategy::afterReceiveInterest(const Face& inFace,
+                                     const Interest& interest,
+                                     shared_ptr<fib::Entry> fibEntry,
+                                     shared_ptr<pit::Entry> pitEntry)
+{
+  RetransmissionSuppression::Result suppressResult =
+      m_retransmissionSuppression.decide(inFace, interest, *pitEntry);
+  switch (suppressResult) {
+  case RetransmissionSuppression::NEW:
+    this->afterReceiveNewInterest(inFace, interest, fibEntry, pitEntry);
+    break;
+  case RetransmissionSuppression::FORWARD:
+    this->afterReceiveRetxInterest(inFace, interest, fibEntry, pitEntry);
+    break;
+  case RetransmissionSuppression::SUPPRESS:
+    NFD_LOG_DEBUG(interest << " interestFrom " << inFace.getId() << " retx-suppress");
+    break;
+  default:
+    BOOST_ASSERT(false);
+    break;
+  }
+}
+
+void
+AccessStrategy::afterReceiveNewInterest(const Face& inFace,
+                                        const Interest& interest,
+                                        shared_ptr<fib::Entry> fibEntry,
+                                        shared_ptr<pit::Entry> pitEntry)
+{
+  Name miName;
+  shared_ptr<MtInfo> mi;
+  std::tie(miName, mi) = this->findPrefixMeasurements(*pitEntry);
+
+  // has measurements for Interest Name?
+  if (mi != nullptr) {
+    NFD_LOG_DEBUG(interest << " interestFrom " << inFace.getId() <<
+                  " new-interest mi=" << miName);
+
+    // send to last working nexthop
+    bool isSentToLastNexthop = this->sendToLastNexthop(inFace, pitEntry, *mi, fibEntry);
+
+    if (isSentToLastNexthop) {
+      return;
+    }
+  }
+  else {
+    NFD_LOG_DEBUG(interest << " interestFrom " << inFace.getId() <<
+                  " new-interest no-mi");
+  }
+
+  // no measurements, or last working nexthop unavailable
+
+  // multicast to all nexthops
+  this->multicast(pitEntry, fibEntry);
+}
+
+void
+AccessStrategy::afterReceiveRetxInterest(const Face& inFace,
+                                         const Interest& interest,
+                                         shared_ptr<fib::Entry> fibEntry,
+                                         shared_ptr<pit::Entry> pitEntry)
+{
+  NFD_LOG_DEBUG(interest << " interestFrom " << inFace.getId() << " retx-forward");
+  this->multicast(pitEntry, fibEntry, std::unordered_set<FaceId>{inFace.getId()});
+}
+
+bool
+AccessStrategy::sendToLastNexthop(const Face& inFace, shared_ptr<pit::Entry> pitEntry, MtInfo& mi,
+                                  shared_ptr<fib::Entry> fibEntry)
+{
+  if (mi.lastNexthop == INVALID_FACEID) {
+    NFD_LOG_DEBUG(pitEntry->getInterest() << " no-last-nexthop");
+    return false;
+  }
+
+  if (mi.lastNexthop == inFace.getId()) {
+    NFD_LOG_DEBUG(pitEntry->getInterest() << " last-nexthop-is-downstream");
+    return false;
+  }
+
+  shared_ptr<Face> face = this->getFace(mi.lastNexthop);
+  if (face == nullptr || !fibEntry->hasNextHop(face)) {
+    NFD_LOG_DEBUG(pitEntry->getInterest() << " last-nexthop-gone");
+    return false;
+  }
+
+  if (pitEntry->violatesScope(*face)) {
+    NFD_LOG_DEBUG(pitEntry->getInterest() << " last-nexthop-violates-scope");
+    return false;
+  }
+
+  RttEstimator::Duration rto = mi.rtt.computeRto();
+  NFD_LOG_DEBUG(pitEntry->getInterest() << " interestTo " << mi.lastNexthop <<
+                " last-nexthop rto=" << time::duration_cast<time::microseconds>(rto).count());
+
+  this->sendInterest(pitEntry, face);
+
+  // schedule RTO timeout
+  shared_ptr<PitInfo> pi = pitEntry->getOrCreateStrategyInfo<PitInfo>();
+  pi->rtoTimer = scheduler::schedule(rto,
+      bind(&AccessStrategy::afterRtoTimeout, this, weak_ptr<pit::Entry>(pitEntry),
+           weak_ptr<fib::Entry>(fibEntry), inFace.getId(), mi.lastNexthop));
+
+  return true;
+}
+
+void
+AccessStrategy::afterRtoTimeout(weak_ptr<pit::Entry> pitWeak, weak_ptr<fib::Entry> fibWeak,
+                                FaceId inFace, FaceId firstOutFace)
+{
+  shared_ptr<pit::Entry> pitEntry = pitWeak.lock();
+  BOOST_ASSERT(pitEntry != nullptr);
+  // pitEntry can't become nullptr, because RTO timer should be cancelled upon pitEntry destruction
+
+  shared_ptr<fib::Entry> fibEntry = fibWeak.lock();
+  if (fibEntry == nullptr) {
+    NFD_LOG_DEBUG(pitEntry->getInterest() << " timeoutFrom " << firstOutFace << " fib-gone");
+    return;
+  }
+
+  NFD_LOG_DEBUG(pitEntry->getInterest() << " timeoutFrom " << firstOutFace <<
+                " multicast-except " << inFace << ',' << firstOutFace);
+  this->multicast(pitEntry, fibEntry, std::unordered_set<FaceId>{inFace, firstOutFace});
+}
+
+void
+AccessStrategy::multicast(shared_ptr<pit::Entry> pitEntry, shared_ptr<fib::Entry> fibEntry,
+                          std::unordered_set<FaceId> exceptFaces)
+{
+  for (const fib::NextHop& nexthop : fibEntry->getNextHops()) {
+    shared_ptr<Face> face = nexthop.getFace();
+    if (exceptFaces.count(face->getId()) > 0) {
+      continue;
+    }
+    NFD_LOG_DEBUG(pitEntry->getInterest() << " interestTo " << face->getId() <<
+                  " multicast");
+    this->sendInterest(pitEntry, face);
+  }
+}
+
+void
+AccessStrategy::beforeSatisfyInterest(shared_ptr<pit::Entry> pitEntry,
+                                      const Face& inFace, const Data& data)
+{
+  shared_ptr<PitInfo> pi = pitEntry->getStrategyInfo<PitInfo>();
+  if (pi != nullptr) {
+    pi->rtoTimer.cancel();
+  }
+
+  if (pitEntry->getInRecords().empty()) { // already satisfied by another upstream
+    NFD_LOG_DEBUG(pitEntry->getInterest() << " dataFrom " << inFace.getId() <<
+                  " not-fastest");
+    return;
+  }
+
+  pit::OutRecordCollection::const_iterator outRecord = pitEntry->getOutRecord(inFace);
+  if (outRecord == pitEntry->getOutRecords().end()) { // no OutRecord
+    NFD_LOG_DEBUG(pitEntry->getInterest() << " dataFrom " << inFace.getId() <<
+                  " no-out-record");
+    return;
+  }
+
+  time::steady_clock::Duration rtt = time::steady_clock::now() - outRecord->getLastRenewed();
+  NFD_LOG_DEBUG(pitEntry->getInterest() << " dataFrom " << inFace.getId() <<
+                " rtt=" << time::duration_cast<time::microseconds>(rtt).count());
+  this->updateMeasurements(inFace, data, time::duration_cast<RttEstimator::Duration>(rtt));
+}
+
+void
+AccessStrategy::updateMeasurements(const Face& inFace, const Data& data,
+                                   const RttEstimator::Duration& rtt)
+{
+  FaceInfo& fi = m_fit[inFace.getId()];
+  fi.rtt.addMeasurement(rtt);
+
+  shared_ptr<MtInfo> mi = this->addPrefixMeasurements(data);
+  if (mi->lastNexthop != inFace.getId()) {
+    mi->lastNexthop = inFace.getId();
+    mi->rtt = fi.rtt;
+  }
+  else {
+    mi->rtt.addMeasurement(rtt);
+  }
+}
+
+AccessStrategy::MtInfo::MtInfo()
+  : lastNexthop(INVALID_FACEID)
+  , rtt(1, time::milliseconds(1), 0.1)
+{
+}
+
+std::tuple<Name, shared_ptr<AccessStrategy::MtInfo>>
+AccessStrategy::findPrefixMeasurements(const pit::Entry& pitEntry)
+{
+  shared_ptr<measurements::Entry> me = this->getMeasurements().findLongestPrefixMatch(pitEntry);
+  if (me == nullptr) {
+    return std::forward_as_tuple(Name(), nullptr);
+  }
+
+  shared_ptr<MtInfo> mi = me->getStrategyInfo<MtInfo>();
+  BOOST_ASSERT(mi != nullptr);
+  // XXX after runtime strategy change, it's possible that me exists but mi doesn't exist;
+  // this case needs another longest prefix match until mi is found
+  return std::forward_as_tuple(me->getName(), mi);
+}
+
+shared_ptr<AccessStrategy::MtInfo>
+AccessStrategy::addPrefixMeasurements(const Data& data)
+{
+  shared_ptr<measurements::Entry> me;
+  if (data.getName().size() >= 1) {
+    me = this->getMeasurements().get(data.getName().getPrefix(-1));
+  }
+  if (me == nullptr) { // parent of Data Name is not in this strategy, or Data Name is empty
+    me = this->getMeasurements().get(data.getName());
+    // Data Name must be in this strategy
+    BOOST_ASSERT(me != nullptr);
+  }
+
+  return me->getOrCreateStrategyInfo<MtInfo>();
+}
+
+AccessStrategy::FaceInfo::FaceInfo()
+  : rtt(1, time::milliseconds(1), 0.1)
+{
+}
+
+void
+AccessStrategy::removeFaceInfo(shared_ptr<Face> face)
+{
+  m_fit.erase(face->getId());
+}
+
+} // namespace fw
+} // namespace nfd