diff --git a/src/buildings/model/building-list.cc b/src/buildings/model/building-list.cc
index 4c5c0028e..063870de3 100644
--- a/src/buildings/model/building-list.cc
+++ b/src/buildings/model/building-list.cc
@@ -126,7 +126,7 @@ BuildingListPriv::Add (Ptr<Building> building)
 {
   uint32_t index = m_buildings.size ();
   m_buildings.push_back (building);
-  Simulator::ScheduleWithContext (index, TimeStep (0), &Building::Start, building);
+  Simulator::ScheduleWithContext (index, TimeStep (0), &Building::Initialize, building);
   return index;
 
 }
diff --git a/src/click/model/ipv4-click-routing.cc b/src/click/model/ipv4-click-routing.cc
index 5913f1f36..f6bd189a1 100644
--- a/src/click/model/ipv4-click-routing.cc
+++ b/src/click/model/ipv4-click-routing.cc
@@ -76,7 +76,7 @@ Ipv4ClickRouting::~Ipv4ClickRouting ()
 }
 
 void
-Ipv4ClickRouting::DoStart ()
+Ipv4ClickRouting::DoInitialize ()
 {
   uint32_t id = m_ipv4->GetObject<Node> ()->GetId ();
 
diff --git a/src/click/model/ipv4-click-routing.h b/src/click/model/ipv4-click-routing.h
index c3295389d..a332a1ce9 100644
--- a/src/click/model/ipv4-click-routing.h
+++ b/src/click/model/ipv4-click-routing.h
@@ -67,7 +67,7 @@ public:
 
   Ptr<UniformRandomVariable> GetRandomVariable (void);
 protected:
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
 
 public:
   virtual void DoDispose ();
@@ -191,7 +191,7 @@ public:
 
 private:
   /**
-   * \brief Used internally in DoStart () to Add a mapping to m_clickInstanceFromSimNode mapping
+   * \brief Used internally in DoInitialize () to Add a mapping to m_clickInstanceFromSimNode mapping
    */
   void AddSimNodeToClickMapping ();
 
diff --git a/src/click/test/ipv4-click-routing-test.cc b/src/click/test/ipv4-click-routing-test.cc
index 748838c65..8568ed12a 100644
--- a/src/click/test/ipv4-click-routing-test.cc
+++ b/src/click/test/ipv4-click-routing-test.cc
@@ -76,7 +76,7 @@ ClickIfidFromNameTest::DoRun ()
   AddNetworkDevice (node, Mac48Address ("00:00:00:00:00:01"), Ipv4Address ("10.1.1.1"), Ipv4Mask ("255.255.255.0"));
   Ptr<Ipv4> ipv4 = node->GetObject<Ipv4> ();
   Ptr<Ipv4ClickRouting> click = DynamicCast<Ipv4ClickRouting> (ipv4->GetRoutingProtocol ());
-  click->DoStart ();
+  click->DoInitialize ();
 
   int ret;
 
@@ -120,7 +120,7 @@ ClickIpMacAddressFromNameTest::DoRun ()
   AddNetworkDevice (node, Mac48Address ("00:00:00:00:00:02"), Ipv4Address ("10.1.1.2"), Ipv4Mask ("255.255.255.0"));
   Ptr<Ipv4> ipv4 = node->GetObject<Ipv4> ();
   Ptr<Ipv4ClickRouting> click = DynamicCast<Ipv4ClickRouting> (ipv4->GetRoutingProtocol ());
-  click->DoStart ();
+  click->DoInitialize ();
 
   char *buf = NULL;
   buf = new char [255];
@@ -171,7 +171,7 @@ ClickTrivialTest::DoRun ()
   Ptr<Ipv4> ipv4 = node->GetObject<Ipv4> ();
   Ptr<Ipv4ClickRouting> click = DynamicCast<Ipv4ClickRouting> (ipv4->GetRoutingProtocol ());
   click->SetNodeName ("myNode");
-  click->DoStart ();
+  click->DoInitialize ();
 
   int ret = 0;
   char *buf = NULL;
diff --git a/src/core/model/object.cc b/src/core/model/object.cc
index edef50b3b..fcd633242 100644
--- a/src/core/model/object.cc
+++ b/src/core/model/object.cc
@@ -92,7 +92,7 @@ Object::GetTypeId (void)
 Object::Object ()
   : m_tid (Object::GetTypeId ()),
     m_disposed (false),
-    m_started (false),
+    m_initialized (false),
     m_aggregates ((struct Aggregates *) std::malloc (sizeof (struct Aggregates))),
     m_getObjectCount (0)
 {
@@ -127,7 +127,7 @@ Object::~Object ()
 Object::Object (const Object &o)
   : m_tid (o.m_tid),
     m_disposed (false),
-    m_started (false),
+    m_initialized (false),
     m_aggregates ((struct Aggregates *) std::malloc (sizeof (struct Aggregates))),
     m_getObjectCount (0)
 {
@@ -176,12 +176,12 @@ Object::DoGetObject (TypeId tid) const
   return 0;
 }
 void
-Object::Start (void)
+Object::Initialize (void)
 {
   /**
    * Note: the code here is a bit tricky because we need to protect ourselves from
-   * modifications in the aggregate array while DoStart is called. The user's
-   * implementation of the DoStart method could call GetObject (which could
+   * modifications in the aggregate array while DoInitialize is called. The user's
+   * implementation of the DoInitialize method could call GetObject (which could
    * reorder the array) and it could call AggregateObject which would add an 
    * object at the end of the array. To be safe, we restart iteration over the 
    * array whenever we call some user code, just in case.
@@ -192,10 +192,10 @@ restart:
   for (uint32_t i = 0; i < n; i++)
     {
       Object *current = m_aggregates->buffer[i];
-      if (!current->m_started)
+      if (!current->m_initialized)
         {
-          current->DoStart ();
-          current->m_started = true;
+          current->DoInitialize ();
+          current->m_initialized = true;
           goto restart;
         }
     }
@@ -339,10 +339,10 @@ Object::DoDispose (void)
 }
 
 void
-Object::DoStart (void)
+Object::DoInitialize (void)
 {
   NS_LOG_FUNCTION (this);
-  NS_ASSERT (!m_started);
+  NS_ASSERT (!m_initialized);
 }
 
 bool 
diff --git a/src/core/model/object.h b/src/core/model/object.h
index 65f3d9473..35311d79c 100644
--- a/src/core/model/object.h
+++ b/src/core/model/object.h
@@ -153,14 +153,14 @@ private:
   AggregateIterator GetAggregateIterator (void) const;
 
   /**
-   * This method calls the virtual DoStart method on all the objects
-   * aggregated to this object. DoStart will be called only once over
+   * This method calls the virtual DoInitialize method on all the objects
+   * aggregated to this object. DoInitialize will be called only once over
    * the lifetime of an object, just like DoDispose is called only
    * once.
    *
-   * \sa DoStart
+   * \sa DoInitialize
    */
-  void Start (void);
+  void Initialize (void);
 
 protected:
   /**
@@ -172,15 +172,15 @@ protected:
    */
   virtual void NotifyNewAggregate (void);
   /**
-   * This method is called only once by Object::Start. If the user
-   * calls Object::Start multiple times, DoStart is called only the
+   * This method is called only once by Object::Initialize. If the user
+   * calls Object::Initialize multiple times, DoInitialize is called only the
    * first time.
    *
    * Subclasses are expected to override this method and _chain up_
    * to their parent's implementation once they are done. It is
    * safe to call GetObject and AggregateObject from within this method.
    */
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
   /**
    * This method is called by Object::Dispose or by the object's 
    * destructor, whichever comes first.
@@ -281,10 +281,10 @@ private:
    */
   bool m_disposed;
   /**
-   * Set to true once the DoStart method has run,
+   * Set to true once the DoInitialize method has run,
    * false otherwise
    */
-  bool m_started;
+  bool m_initialized;
   /**
    * a pointer to an array of 'aggregates'. i.e., a pointer to
    * each object aggregated to this object is stored in this 
diff --git a/src/energy/helper/energy-source-container.cc b/src/energy/helper/energy-source-container.cc
index a4f30efeb..6a4bb388f 100644
--- a/src/energy/helper/energy-source-container.cc
+++ b/src/energy/helper/energy-source-container.cc
@@ -129,14 +129,14 @@ EnergySourceContainer::DoDispose (void)
 }
 
 void
-EnergySourceContainer::DoStart (void)
+EnergySourceContainer::DoInitialize (void)
 {
   // call Object::Start for all EnergySource objects
   for (std::vector< Ptr<EnergySource> >::iterator i = m_sources.begin ();
        i != m_sources.end (); i++)
     {
-      (*i)->Start ();
-      (*i)->StartDeviceModels ();
+      (*i)->Initialize ();
+      (*i)->InitializeDeviceModels ();
     }
 }
 
diff --git a/src/energy/helper/energy-source-container.h b/src/energy/helper/energy-source-container.h
index b44407b1a..e58bf9746 100644
--- a/src/energy/helper/energy-source-container.h
+++ b/src/energy/helper/energy-source-container.h
@@ -170,7 +170,7 @@ private:
   /**
    * \brief Calls Object::Start () for all EnergySource objects.
    */
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
 
 private:
   std::vector< Ptr<EnergySource> > m_sources;
diff --git a/src/energy/model/basic-energy-source.cc b/src/energy/model/basic-energy-source.cc
index a559167e9..cc3400412 100644
--- a/src/energy/model/basic-energy-source.cc
+++ b/src/energy/model/basic-energy-source.cc
@@ -169,7 +169,7 @@ BasicEnergySource::UpdateEnergySource (void)
  */
 
 void
-BasicEnergySource::DoStart (void)
+BasicEnergySource::DoInitialize (void)
 {
   NS_LOG_FUNCTION (this);
   UpdateEnergySource ();  // start periodic update
diff --git a/src/energy/model/basic-energy-source.h b/src/energy/model/basic-energy-source.h
index 1b12b8972..7386015eb 100644
--- a/src/energy/model/basic-energy-source.h
+++ b/src/energy/model/basic-energy-source.h
@@ -105,7 +105,7 @@ public:
 
 private:
   /// Defined in ns3::Object
-  void DoStart (void);
+  void DoInitialize (void);
 
   /// Defined in ns3::Object
   void DoDispose (void);
diff --git a/src/energy/model/energy-source.cc b/src/energy/model/energy-source.cc
index e9f5c0369..4608b1e94 100644
--- a/src/energy/model/energy-source.cc
+++ b/src/energy/model/energy-source.cc
@@ -102,7 +102,7 @@ EnergySource::FindDeviceEnergyModels (std::string name)
 }
 
 void
-EnergySource::StartDeviceModels (void)
+EnergySource::InitializeDeviceModels (void)
 {
   NS_LOG_FUNCTION (this);
   /*
@@ -112,7 +112,7 @@ EnergySource::StartDeviceModels (void)
   DeviceEnergyModelContainer::Iterator i;
   for (i = m_models.Begin (); i != m_models.End (); i++)
     {
-      (*i)->Start ();
+      (*i)->Initialize ();
     }
 }
 
diff --git a/src/energy/model/energy-source.h b/src/energy/model/energy-source.h
index 795725b1d..0e48d65c7 100644
--- a/src/energy/model/energy-source.h
+++ b/src/energy/model/energy-source.h
@@ -150,7 +150,7 @@ public:
    * not aggregated to the node, therefore we need to manually start them here.
    * Called by EnergySourceContainer, which is aggregated to the node.
    */
-  void StartDeviceModels (void);
+  void InitializeDeviceModels (void);
 
   /**
    * Calls Dispose () method of the device energy models. Device energy models
diff --git a/src/energy/model/li-ion-energy-source.cc b/src/energy/model/li-ion-energy-source.cc
index 557c0039c..3fb9b4ef3 100644
--- a/src/energy/model/li-ion-energy-source.cc
+++ b/src/energy/model/li-ion-energy-source.cc
@@ -236,7 +236,7 @@ LiIonEnergySource::UpdateEnergySource (void)
  * Private functions start here.
  */
 void
-LiIonEnergySource::DoStart (void)
+LiIonEnergySource::DoInitialize (void)
 {
   NS_LOG_FUNCTION (this);
   UpdateEnergySource ();  // start periodic update
diff --git a/src/energy/model/li-ion-energy-source.h b/src/energy/model/li-ion-energy-source.h
index ccca05b4d..ff20cd53c 100644
--- a/src/energy/model/li-ion-energy-source.h
+++ b/src/energy/model/li-ion-energy-source.h
@@ -151,7 +151,7 @@ public:
    */
   Time GetEnergyUpdateInterval (void) const;
 private:
-  void DoStart (void);
+  void DoInitialize (void);
   void DoDispose (void);
 
   /**
diff --git a/src/energy/model/rv-battery-model.cc b/src/energy/model/rv-battery-model.cc
index f849e1e01..a26ec8720 100644
--- a/src/energy/model/rv-battery-model.cc
+++ b/src/energy/model/rv-battery-model.cc
@@ -287,7 +287,7 @@ RvBatteryModel::GetNumOfTerms (void) const
  */
 
 void
-RvBatteryModel::DoStart (void)
+RvBatteryModel::DoInitialize (void)
 {
   NS_LOG_FUNCTION (this);
   NS_LOG_DEBUG ("RvBatteryModel:Starting battery level update!");
diff --git a/src/energy/model/rv-battery-model.h b/src/energy/model/rv-battery-model.h
index 31bd5709c..92af0fdf9 100644
--- a/src/energy/model/rv-battery-model.h
+++ b/src/energy/model/rv-battery-model.h
@@ -175,7 +175,7 @@ public:
 
 private:
   /// Defined in ns3::Object
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
 
   /// Defined in ns3::Object
   virtual void DoDispose (void);
diff --git a/src/internet/model/ipv4-list-routing.cc b/src/internet/model/ipv4-list-routing.cc
index f34e3b99b..2ea3ad9da 100644
--- a/src/internet/model/ipv4-list-routing.cc
+++ b/src/internet/model/ipv4-list-routing.cc
@@ -84,15 +84,15 @@ Ipv4ListRouting::PrintRoutingTable (Ptr<OutputStreamWrapper> stream) const
 }
 
 void
-Ipv4ListRouting::DoStart (void)
+Ipv4ListRouting::DoInitialize (void)
 {
   for (Ipv4RoutingProtocolList::iterator rprotoIter = m_routingProtocols.begin ();
        rprotoIter != m_routingProtocols.end (); rprotoIter++)
     {
       Ptr<Ipv4RoutingProtocol> protocol = (*rprotoIter).second;
-      protocol->Start ();
+      protocol->Initialize ();
     }
-  Ipv4RoutingProtocol::DoStart ();
+  Ipv4RoutingProtocol::DoInitialize ();
 }
 
 
diff --git a/src/internet/model/ipv4-list-routing.h b/src/internet/model/ipv4-list-routing.h
index 044ec0580..a6855d24e 100644
--- a/src/internet/model/ipv4-list-routing.h
+++ b/src/internet/model/ipv4-list-routing.h
@@ -90,7 +90,7 @@ public:
 
 protected:
   void DoDispose (void);
-  void DoStart (void);
+  void DoInitialize (void);
 private:
   typedef std::pair<int16_t, Ptr<Ipv4RoutingProtocol> > Ipv4RoutingProtocolEntry;
   typedef std::list<Ipv4RoutingProtocolEntry> Ipv4RoutingProtocolList;
diff --git a/src/lte/helper/lte-helper.cc b/src/lte/helper/lte-helper.cc
index f0888af9b..c7701a1c3 100644
--- a/src/lte/helper/lte-helper.cc
+++ b/src/lte/helper/lte-helper.cc
@@ -73,7 +73,7 @@ LteHelper::LteHelper (void)
 }
 
 void 
-LteHelper::DoStart (void)
+LteHelper::DoInitialize (void)
 {
   NS_LOG_FUNCTION (this);
   m_downlinkChannel = m_channelFactory.Create<SpectrumChannel> ();
@@ -112,7 +112,7 @@ LteHelper::DoStart (void)
     {
       Ptr<SpectrumPropagationLossModel> m_fadingModule;
       m_fadingModule = m_fadingModelFactory.Create<SpectrumPropagationLossModel> ();
-      m_fadingModule->Start ();
+      m_fadingModule->Initialize ();
       m_downlinkChannel->AddSpectrumPropagationLossModel (m_fadingModule);
       m_uplinkChannel->AddSpectrumPropagationLossModel (m_fadingModule);
     }
@@ -120,7 +120,7 @@ LteHelper::DoStart (void)
   m_phyTxStats = CreateObject<PhyTxStatsCalculator> ();
   m_phyRxStats = CreateObject<PhyRxStatsCalculator> ();
   m_macStats = CreateObject<MacStatsCalculator> ();
-  Object::DoStart ();
+  Object::DoInitialize ();
 
 }
 
@@ -285,7 +285,7 @@ NetDeviceContainer
 LteHelper::InstallEnbDevice (NodeContainer c)
 {
   NS_LOG_FUNCTION (this);
-  Start ();  // will run DoStart () if necessary
+  Initialize ();  // will run DoInitialize () if necessary
   NetDeviceContainer devices;
   for (NodeContainer::Iterator i = c.Begin (); i != c.End (); ++i)
     {
@@ -434,7 +434,7 @@ LteHelper::InstallSingleEnbDevice (Ptr<Node> n)
     }
   
 
-  dev->Start (); 
+  dev->Initialize ();
 
   m_uplinkChannel->AddRx (ulPhy);
 
@@ -552,7 +552,7 @@ LteHelper::InstallSingleUeDevice (Ptr<Node> n)
       m_epcHelper->AddUe (dev, dev->GetImsi ());
     }
 
-  dev->Start ();
+  dev->Initialize ();
 
   return dev;
 }
diff --git a/src/lte/helper/lte-helper.h b/src/lte/helper/lte-helper.h
index 2ed660d44..e5b9b17a5 100644
--- a/src/lte/helper/lte-helper.h
+++ b/src/lte/helper/lte-helper.h
@@ -395,7 +395,7 @@ public:
 
 protected:
   // inherited from Object
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
 
 private:
   Ptr<NetDevice> InstallSingleEnbDevice (Ptr<Node> n);
diff --git a/src/lte/model/lte-enb-net-device.cc b/src/lte/model/lte-enb-net-device.cc
index d8f692372..891bf3a73 100644
--- a/src/lte/model/lte-enb-net-device.cc
+++ b/src/lte/model/lte-enb-net-device.cc
@@ -246,13 +246,13 @@ LteEnbNetDevice::SetUlEarfcn (uint16_t earfcn)
 
 
 void 
-LteEnbNetDevice::DoStart (void)
+LteEnbNetDevice::DoInitialize (void)
 {
 
   UpdateConfig ();
-  m_phy->Start ();
-  m_mac->Start ();
-  m_rrc->Start ();
+  m_phy->Initialize ();
+  m_mac->Initialize ();
+  m_rrc->Initialize ();
 }
 
 
diff --git a/src/lte/model/lte-enb-net-device.h b/src/lte/model/lte-enb-net-device.h
index 0b5fc7988..73cedac1e 100644
--- a/src/lte/model/lte-enb-net-device.h
+++ b/src/lte/model/lte-enb-net-device.h
@@ -123,7 +123,7 @@ public:
 
 protected:
   // inherited from Object
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
 
 
 private:
diff --git a/src/lte/model/lte-enb-phy.cc b/src/lte/model/lte-enb-phy.cc
index 0e2148963..ede0cbd70 100644
--- a/src/lte/model/lte-enb-phy.cc
+++ b/src/lte/model/lte-enb-phy.cc
@@ -229,12 +229,12 @@ LteEnbPhy::DoDispose ()
 }
 
 void
-LteEnbPhy::DoStart ()
+LteEnbPhy::DoInitialize ()
 {
   NS_LOG_FUNCTION (this);
   Ptr<SpectrumValue> noisePsd = LteSpectrumValueHelper::CreateNoisePowerSpectralDensity (m_ulEarfcn, m_ulBandwidth, m_noiseFigure);
   m_uplinkSpectrumPhy->SetNoisePowerSpectralDensity (noisePsd);
-  LtePhy::DoStart ();
+  LtePhy::DoInitialize ();
 }
 
 
diff --git a/src/lte/model/lte-enb-phy.h b/src/lte/model/lte-enb-phy.h
index 5a1c5ad92..b03b7d748 100644
--- a/src/lte/model/lte-enb-phy.h
+++ b/src/lte/model/lte-enb-phy.h
@@ -66,7 +66,7 @@ public:
 
   // inherited from Object
   static TypeId GetTypeId (void);
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
   virtual void DoDispose (void);
 
 
diff --git a/src/lte/model/lte-enb-rrc.cc b/src/lte/model/lte-enb-rrc.cc
index 3d40406eb..15a25571f 100644
--- a/src/lte/model/lte-enb-rrc.cc
+++ b/src/lte/model/lte-enb-rrc.cc
@@ -146,7 +146,7 @@ UeManager::UeManager (Ptr<LteEnbRrc> rrc, uint16_t rnti, State s)
 }
 
 void
-UeManager::DoStart ()
+UeManager::DoInitialize ()
 {
   NS_LOG_FUNCTION (this);
   m_drbPdcpSapUser = new LtePdcpSpecificLtePdcpSapUser<UeManager> (this);
@@ -429,10 +429,10 @@ UeManager::StartDataRadioBearers ()
     {
       std::map <uint8_t, Ptr<LteDataRadioBearerInfo> >::iterator drbIt = m_drbMap.find (*drbIdIt);
       NS_ASSERT (drbIt != m_drbMap.end ());
-      drbIt->second->m_rlc->Start ();
+      drbIt->second->m_rlc->Initialize ();
       if (drbIt->second->m_pdcp)
         {
-          drbIt->second->m_pdcp->Start ();
+          drbIt->second->m_pdcp->Initialize ();
         }
     }
   m_drbsToBeStarted.clear ();
@@ -1731,7 +1731,7 @@ LteEnbRrc::AddUe (UeManager::State state)
   m_lastAllocatedRnti = rnti;
   Ptr<UeManager> ueManager = CreateObject<UeManager> (this, rnti, state);
   m_ueMap.insert (std::pair<uint16_t, Ptr<UeManager> > (rnti, ueManager));
-  ueManager->Start ();
+  ueManager->Initialize ();
   NS_LOG_DEBUG (this << " New UE RNTI " << rnti << " cellId " << m_cellId << " srs CI " << ueManager->GetSrsConfigurationIndex ());      
   m_newUeContextTrace (m_cellId, rnti);      
   return rnti;
diff --git a/src/lte/model/lte-enb-rrc.h b/src/lte/model/lte-enb-rrc.h
index e9d91c3da..81878c964 100644
--- a/src/lte/model/lte-enb-rrc.h
+++ b/src/lte/model/lte-enb-rrc.h
@@ -97,7 +97,7 @@ public:
 
   // inherited from Object
 protected:
-  virtual void DoStart ();
+  virtual void DoInitialize ();
   virtual void DoDispose ();
 public: 
   static TypeId GetTypeId (void);
diff --git a/src/lte/model/lte-rlc.cc b/src/lte/model/lte-rlc.cc
index a9a749a32..e87180f41 100644
--- a/src/lte/model/lte-rlc.cc
+++ b/src/lte/model/lte-rlc.cc
@@ -190,7 +190,7 @@ LteRlcSm::GetTypeId (void)
 }
 
 void
-LteRlcSm::DoStart ()
+LteRlcSm::DoInitialize ()
 {
   NS_LOG_FUNCTION (this);
   ReportBufferStatus ();
diff --git a/src/lte/model/lte-rlc.h b/src/lte/model/lte-rlc.h
index f6fe05403..3f79294cc 100644
--- a/src/lte/model/lte-rlc.h
+++ b/src/lte/model/lte-rlc.h
@@ -149,7 +149,7 @@ public:
   LteRlcSm ();
   virtual ~LteRlcSm ();
   static TypeId GetTypeId (void);
-  virtual void DoStart ();
+  virtual void DoInitialize ();
   virtual void DoDispose ();
 
   virtual void DoTransmitPdcpPdu (Ptr<Packet> p);
diff --git a/src/lte/model/lte-ue-net-device.cc b/src/lte/model/lte-ue-net-device.cc
index 5fe4993b9..5307c632c 100644
--- a/src/lte/model/lte-ue-net-device.cc
+++ b/src/lte/model/lte-ue-net-device.cc
@@ -187,13 +187,13 @@ LteUeNetDevice::GetTargetEnb (void)
 }
 
 void 
-LteUeNetDevice::DoStart (void)
+LteUeNetDevice::DoInitialize (void)
 {
   NS_LOG_FUNCTION (this);
   UpdateConfig ();
-  m_phy->Start ();
-  m_mac->Start ();
-  m_rrc->Start ();
+  m_phy->Initialize ();
+  m_mac->Initialize ();
+  m_rrc->Initialize ();
 }
 
 bool
diff --git a/src/lte/model/lte-ue-net-device.h b/src/lte/model/lte-ue-net-device.h
index 6a073deb6..87d63a689 100644
--- a/src/lte/model/lte-ue-net-device.h
+++ b/src/lte/model/lte-ue-net-device.h
@@ -101,7 +101,7 @@ public:
 
 protected:
   // inherited from Object
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
 
 
 private:
diff --git a/src/lte/model/lte-ue-phy.cc b/src/lte/model/lte-ue-phy.cc
index 6df7f8497..5b0dddded 100644
--- a/src/lte/model/lte-ue-phy.cc
+++ b/src/lte/model/lte-ue-phy.cc
@@ -240,10 +240,10 @@ LteUePhy::GetTypeId (void)
 }
 
 void
-LteUePhy::DoStart ()
+LteUePhy::DoInitialize ()
 {
   NS_LOG_FUNCTION (this);
-  LtePhy::DoStart ();
+  LtePhy::DoInitialize ();
 }
 
 void
diff --git a/src/lte/model/lte-ue-phy.h b/src/lte/model/lte-ue-phy.h
index f0ce6d6f6..f1861ac29 100644
--- a/src/lte/model/lte-ue-phy.h
+++ b/src/lte/model/lte-ue-phy.h
@@ -68,7 +68,7 @@ public:
 
   // inherited from Object
   static TypeId GetTypeId (void);
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
   virtual void DoDispose (void);
 
   /**
diff --git a/src/lte/model/lte-ue-rrc.cc b/src/lte/model/lte-ue-rrc.cc
index 8e907d3f3..904c4bf38 100644
--- a/src/lte/model/lte-ue-rrc.cc
+++ b/src/lte/model/lte-ue-rrc.cc
@@ -342,7 +342,7 @@ LteUeRrc::SetUseRlcSm (bool val)
 
 
 void
-LteUeRrc::DoStart (void)
+LteUeRrc::DoInitialize (void)
 {
   NS_LOG_FUNCTION (this);
 
@@ -875,7 +875,7 @@ LteUeRrc::ApplyRadioResourceConfigDedicated (LteRrcSap::RadioResourceConfigDedic
           m_cmacSapProvider->AddLc (dtamIt->logicalChannelIdentity,
                                     lcConfig,
                                     rlc->GetLteMacSapUser ());
-          rlc->Start ();
+          rlc->Initialize ();
         }
       else
         {
diff --git a/src/lte/model/lte-ue-rrc.h b/src/lte/model/lte-ue-rrc.h
index 71e1ebecc..cee85bc1f 100644
--- a/src/lte/model/lte-ue-rrc.h
+++ b/src/lte/model/lte-ue-rrc.h
@@ -91,7 +91,7 @@ public:
 
   // inherited from Object
 private:
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
   virtual void DoDispose (void);
 public:
   static TypeId GetTypeId (void);
diff --git a/src/lte/model/trace-fading-loss-model.cc b/src/lte/model/trace-fading-loss-model.cc
index d9c2e1d28..ac8cd711d 100644
--- a/src/lte/model/trace-fading-loss-model.cc
+++ b/src/lte/model/trace-fading-loss-model.cc
@@ -103,7 +103,7 @@ TraceFadingLossModel::SetTraceLength (Time t)
 }
 
 void 
-TraceFadingLossModel::DoStart ()
+TraceFadingLossModel::DoInitialize ()
 {
   LoadTrace ();
 }
diff --git a/src/lte/model/trace-fading-loss-model.h b/src/lte/model/trace-fading-loss-model.h
index 81e90fca4..01e1b1c06 100644
--- a/src/lte/model/trace-fading-loss-model.h
+++ b/src/lte/model/trace-fading-loss-model.h
@@ -49,7 +49,7 @@ public:
 
   static TypeId GetTypeId ();
   
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
 
   /**
    * \brief The couple of mobility mnode that form a fading channel realization
diff --git a/src/lte/test/lte-simple-helper.cc b/src/lte/test/lte-simple-helper.cc
index 00c3f9f58..1fc3786e2 100644
--- a/src/lte/test/lte-simple-helper.cc
+++ b/src/lte/test/lte-simple-helper.cc
@@ -45,13 +45,13 @@ LteSimpleHelper::LteSimpleHelper (void)
 }
 
 void
-LteSimpleHelper::DoStart (void)
+LteSimpleHelper::DoInitialize (void)
 {
   NS_LOG_FUNCTION (this);
 
   m_phyChannel = CreateObject<SimpleChannel> ();
 
-  Object::DoStart ();
+  Object::DoInitialize ();
 }
 
 LteSimpleHelper::~LteSimpleHelper (void)
@@ -95,7 +95,7 @@ NetDeviceContainer
 LteSimpleHelper::InstallEnbDevice (NodeContainer c)
 {
   NS_LOG_FUNCTION (this);
-  Start ();  // will run DoStart () if necessary
+  Initialize ();  // will run DoInitialize () if necessary
   NetDeviceContainer devices;
   for (NodeContainer::Iterator i = c.Begin (); i != c.End (); ++i)
     {
diff --git a/src/lte/test/lte-simple-helper.h b/src/lte/test/lte-simple-helper.h
index 59e73c4b0..7d1c36c8c 100644
--- a/src/lte/test/lte-simple-helper.h
+++ b/src/lte/test/lte-simple-helper.h
@@ -115,7 +115,7 @@ public:
 
 protected:
   // inherited from Object
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
 
 private:
   Ptr<NetDevice> InstallSingleEnbDevice (Ptr<Node> n);
diff --git a/src/lte/test/lte-simple-net-device.cc b/src/lte/test/lte-simple-net-device.cc
index 16893f9dc..b9b69fc58 100644
--- a/src/lte/test/lte-simple-net-device.cc
+++ b/src/lte/test/lte-simple-net-device.cc
@@ -70,7 +70,7 @@ LteSimpleNetDevice::DoDispose (void)
 
 
 void
-LteSimpleNetDevice::DoStart (void)
+LteSimpleNetDevice::DoInitialize (void)
 {
   NS_LOG_FUNCTION (this);
 }
diff --git a/src/lte/test/lte-simple-net-device.h b/src/lte/test/lte-simple-net-device.h
index e2a13a741..af44d2c49 100644
--- a/src/lte/test/lte-simple-net-device.h
+++ b/src/lte/test/lte-simple-net-device.h
@@ -54,7 +54,7 @@ public:
 
 protected:
   // inherited from Object
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
 
 };
 
diff --git a/src/mesh/model/dot11s/hwmp-protocol.cc b/src/mesh/model/dot11s/hwmp-protocol.cc
index 9e6f5ba3c..801c9d0f7 100644
--- a/src/mesh/model/dot11s/hwmp-protocol.cc
+++ b/src/mesh/model/dot11s/hwmp-protocol.cc
@@ -201,7 +201,7 @@ HwmpProtocol::~HwmpProtocol ()
 }
 
 void
-HwmpProtocol::DoStart ()
+HwmpProtocol::DoInitialize ()
 {
   m_coefficient->SetAttribute ("Max", DoubleValue (m_randomStart.GetSeconds ()));
   if (m_isRoot)
diff --git a/src/mesh/model/dot11s/hwmp-protocol.h b/src/mesh/model/dot11s/hwmp-protocol.h
index 63c2cb9a6..074bbac28 100644
--- a/src/mesh/model/dot11s/hwmp-protocol.h
+++ b/src/mesh/model/dot11s/hwmp-protocol.h
@@ -99,7 +99,7 @@ public:
 private:
   friend class HwmpProtocolMac;
 
-  virtual void DoStart ();
+  virtual void DoInitialize ();
 
   HwmpProtocol& operator= (const HwmpProtocol &);
   HwmpProtocol (const HwmpProtocol &);
diff --git a/src/mesh/model/dot11s/peer-management-protocol.cc b/src/mesh/model/dot11s/peer-management-protocol.cc
index fd5a8ba99..9ae96b3a0 100644
--- a/src/mesh/model/dot11s/peer-management-protocol.cc
+++ b/src/mesh/model/dot11s/peer-management-protocol.cc
@@ -587,7 +587,7 @@ PeerManagementProtocol::AssignStreams (int64_t stream)
 }
 
 void
-PeerManagementProtocol::DoStart ()
+PeerManagementProtocol::DoInitialize ()
 {
   // If beacon interval is equal to the neighbor's one and one o more beacons received
   // by my neighbor coincide with my beacon - apply random uniformly distributed shift from
diff --git a/src/mesh/model/dot11s/peer-management-protocol.h b/src/mesh/model/dot11s/peer-management-protocol.h
index 8c5e402c4..1c3956342 100644
--- a/src/mesh/model/dot11s/peer-management-protocol.h
+++ b/src/mesh/model/dot11s/peer-management-protocol.h
@@ -161,7 +161,7 @@ public:
   int64_t AssignStreams (int64_t stream);
 
 private:
-  virtual void DoStart ();
+  virtual void DoInitialize ();
   /**
    * \name Private structures
    * \{
diff --git a/src/mesh/model/mesh-wifi-interface-mac.cc b/src/mesh/model/mesh-wifi-interface-mac.cc
index b0ace9736..fce5a4885 100644
--- a/src/mesh/model/mesh-wifi-interface-mac.cc
+++ b/src/mesh/model/mesh-wifi-interface-mac.cc
@@ -127,7 +127,7 @@ MeshWifiInterfaceMac::DoDispose ()
   RegularWifiMac::DoDispose ();
 }
 void
-MeshWifiInterfaceMac::DoStart ()
+MeshWifiInterfaceMac::DoInitialize ()
 {
   m_coefficient->SetAttribute ("Max", DoubleValue (m_randomStart.GetSeconds ()));
   if (m_beaconEnable)
diff --git a/src/mesh/model/mesh-wifi-interface-mac.h b/src/mesh/model/mesh-wifi-interface-mac.h
index 77e596623..377e9db05 100644
--- a/src/mesh/model/mesh-wifi-interface-mac.h
+++ b/src/mesh/model/mesh-wifi-interface-mac.h
@@ -161,7 +161,7 @@ private:
 private:
   typedef std::vector<Ptr<MeshWifiInterfaceMacPlugin> > PluginList;
 
-  virtual void DoStart ();
+  virtual void DoInitialize ();
 
   ///\name Mesh timing intervals
   // \{
diff --git a/src/mobility/model/random-direction-2d-mobility-model.cc b/src/mobility/model/random-direction-2d-mobility-model.cc
index defa6906b..43d11b670 100644
--- a/src/mobility/model/random-direction-2d-mobility-model.cc
+++ b/src/mobility/model/random-direction-2d-mobility-model.cc
@@ -69,14 +69,14 @@ RandomDirection2dMobilityModel::DoDispose (void)
   MobilityModel::DoDispose ();
 }
 void
-RandomDirection2dMobilityModel::DoStart (void)
+RandomDirection2dMobilityModel::DoInitialize (void)
 {
-  DoStartPrivate ();
-  MobilityModel::DoStart ();
+  DoInitializePrivate ();
+  MobilityModel::DoInitialize ();
 }
 
 void
-RandomDirection2dMobilityModel::DoStartPrivate (void)
+RandomDirection2dMobilityModel::DoInitializePrivate (void)
 {
   double direction = m_direction->GetValue (0, 2 * PI);
   SetDirectionAndSpeed (direction);
@@ -148,7 +148,7 @@ RandomDirection2dMobilityModel::DoSetPosition (const Vector &position)
   m_helper.SetPosition (position);
   Simulator::Remove (m_event);
   m_event.Cancel ();
-  m_event = Simulator::ScheduleNow (&RandomDirection2dMobilityModel::DoStartPrivate, this);
+  m_event = Simulator::ScheduleNow (&RandomDirection2dMobilityModel::DoInitializePrivate, this);
 }
 Vector
 RandomDirection2dMobilityModel::DoGetVelocity (void) const
diff --git a/src/mobility/model/random-direction-2d-mobility-model.h b/src/mobility/model/random-direction-2d-mobility-model.h
index bdedf2a9a..617ab2bd4 100644
--- a/src/mobility/model/random-direction-2d-mobility-model.h
+++ b/src/mobility/model/random-direction-2d-mobility-model.h
@@ -52,9 +52,9 @@ private:
   void BeginPause (void);
   void SetDirectionAndSpeed (double direction);
   void InitializeDirectionAndSpeed (void);
-  void DoStartPrivate (void);
+  void DoInitializePrivate (void);
   virtual void DoDispose (void);
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
   virtual Vector DoGetPosition (void) const;
   virtual void DoSetPosition (const Vector &position);
   virtual Vector DoGetVelocity (void) const;
diff --git a/src/mobility/model/random-walk-2d-mobility-model.cc b/src/mobility/model/random-walk-2d-mobility-model.cc
index 937051d9c..4e696abb8 100644
--- a/src/mobility/model/random-walk-2d-mobility-model.cc
+++ b/src/mobility/model/random-walk-2d-mobility-model.cc
@@ -75,14 +75,14 @@ RandomWalk2dMobilityModel::GetTypeId (void)
 }
 
 void
-RandomWalk2dMobilityModel::DoStart (void)
+RandomWalk2dMobilityModel::DoInitialize (void)
 {
-  DoStartPrivate ();
-  MobilityModel::DoStart ();
+  DoInitializePrivate ();
+  MobilityModel::DoInitialize ();
 }
 
 void
-RandomWalk2dMobilityModel::DoStartPrivate (void)
+RandomWalk2dMobilityModel::DoInitializePrivate (void)
 {
   m_helper.Update ();
   double speed = m_speed->GetValue ();
@@ -116,7 +116,7 @@ RandomWalk2dMobilityModel::DoWalk (Time delayLeft)
   m_event.Cancel ();
   if (m_bounds.IsInside (nextPosition))
     {
-      m_event = Simulator::Schedule (delayLeft, &RandomWalk2dMobilityModel::DoStartPrivate, this);
+      m_event = Simulator::Schedule (delayLeft, &RandomWalk2dMobilityModel::DoInitializePrivate, this);
     }
   else
     {
@@ -168,7 +168,7 @@ RandomWalk2dMobilityModel::DoSetPosition (const Vector &position)
   NS_ASSERT (m_bounds.IsInside (position));
   m_helper.SetPosition (position);
   Simulator::Remove (m_event);
-  m_event = Simulator::ScheduleNow (&RandomWalk2dMobilityModel::DoStartPrivate, this);
+  m_event = Simulator::ScheduleNow (&RandomWalk2dMobilityModel::DoInitializePrivate, this);
 }
 Vector
 RandomWalk2dMobilityModel::DoGetVelocity (void) const
diff --git a/src/mobility/model/random-walk-2d-mobility-model.h b/src/mobility/model/random-walk-2d-mobility-model.h
index be47c60a2..e15da1102 100644
--- a/src/mobility/model/random-walk-2d-mobility-model.h
+++ b/src/mobility/model/random-walk-2d-mobility-model.h
@@ -56,9 +56,9 @@ public:
 private:
   void Rebound (Time timeLeft);
   void DoWalk (Time timeLeft);
-  void DoStartPrivate (void);
+  void DoInitializePrivate (void);
   virtual void DoDispose (void);
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
   virtual Vector DoGetPosition (void) const;
   virtual void DoSetPosition (const Vector &position);
   virtual Vector DoGetVelocity (void) const;
diff --git a/src/mobility/model/random-waypoint-mobility-model.cc b/src/mobility/model/random-waypoint-mobility-model.cc
index 8c3eff3af..566fba6ea 100644
--- a/src/mobility/model/random-waypoint-mobility-model.cc
+++ b/src/mobility/model/random-waypoint-mobility-model.cc
@@ -73,19 +73,19 @@ RandomWaypointMobilityModel::BeginWalk (void)
   Time travelDelay = Seconds (CalculateDistance (destination, m_current) / speed);
   m_event.Cancel ();
   m_event = Simulator::Schedule (travelDelay,
-                                 &RandomWaypointMobilityModel::DoStartPrivate, this);
+                                 &RandomWaypointMobilityModel::DoInitializePrivate, this);
   NotifyCourseChange ();
 }
 
 void
-RandomWaypointMobilityModel::DoStart (void)
+RandomWaypointMobilityModel::DoInitialize (void)
 {
-  DoStartPrivate ();
-  MobilityModel::DoStart ();
+  DoInitializePrivate ();
+  MobilityModel::DoInitialize ();
 }
 
 void
-RandomWaypointMobilityModel::DoStartPrivate (void)
+RandomWaypointMobilityModel::DoInitializePrivate (void)
 {
   m_helper.Update ();
   m_helper.Pause ();
@@ -105,7 +105,7 @@ RandomWaypointMobilityModel::DoSetPosition (const Vector &position)
 {
   m_helper.SetPosition (position);
   Simulator::Remove (m_event);
-  m_event = Simulator::ScheduleNow (&RandomWaypointMobilityModel::DoStartPrivate, this);
+  m_event = Simulator::ScheduleNow (&RandomWaypointMobilityModel::DoInitializePrivate, this);
 }
 Vector
 RandomWaypointMobilityModel::DoGetVelocity (void) const
diff --git a/src/mobility/model/random-waypoint-mobility-model.h b/src/mobility/model/random-waypoint-mobility-model.h
index 147e11916..e49da9f03 100644
--- a/src/mobility/model/random-waypoint-mobility-model.h
+++ b/src/mobility/model/random-waypoint-mobility-model.h
@@ -54,10 +54,10 @@ class RandomWaypointMobilityModel : public MobilityModel
 public:
   static TypeId GetTypeId (void);
 protected:
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
 private:
   void BeginWalk (void);
-  void DoStartPrivate (void);
+  void DoInitializePrivate (void);
   virtual Vector DoGetPosition (void) const;
   virtual void DoSetPosition (const Vector &position);
   virtual Vector DoGetVelocity (void) const;
diff --git a/src/mobility/model/steady-state-random-waypoint-mobility-model.cc b/src/mobility/model/steady-state-random-waypoint-mobility-model.cc
index 7b45a77a7..2e6e06841 100644
--- a/src/mobility/model/steady-state-random-waypoint-mobility-model.cc
+++ b/src/mobility/model/steady-state-random-waypoint-mobility-model.cc
@@ -93,14 +93,14 @@ SteadyStateRandomWaypointMobilityModel::SteadyStateRandomWaypointMobilityModel (
 }
 
 void
-SteadyStateRandomWaypointMobilityModel::DoStart (void)
+SteadyStateRandomWaypointMobilityModel::DoInitialize (void)
 {
-  SteadyStateStart ();
-  MobilityModel::DoStart ();
+  DoInitializePrivate ();
+  MobilityModel::DoInitialize ();
 }
 
 void
-SteadyStateRandomWaypointMobilityModel::SteadyStateStart (void)
+SteadyStateRandomWaypointMobilityModel::DoInitializePrivate (void)
 {
   alreadyStarted = true;
   // Configure random variables based on attributes
diff --git a/src/mobility/model/steady-state-random-waypoint-mobility-model.h b/src/mobility/model/steady-state-random-waypoint-mobility-model.h
index 19ce933a6..db79a80c0 100644
--- a/src/mobility/model/steady-state-random-waypoint-mobility-model.h
+++ b/src/mobility/model/steady-state-random-waypoint-mobility-model.h
@@ -55,9 +55,9 @@ public:
   static TypeId GetTypeId (void);
   SteadyStateRandomWaypointMobilityModel ();
 protected:
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
 private:
-  void SteadyStateStart (void);
+  void DoInitializePrivate (void);
   void SteadyStateBeginWalk (const Vector &destination);
   void Start (void);
   void BeginWalk (void);
diff --git a/src/mobility/test/steady-state-random-waypoint-mobility-model-test.cc b/src/mobility/test/steady-state-random-waypoint-mobility-model-test.cc
index 07ca11e2b..2c31791fe 100644
--- a/src/mobility/test/steady-state-random-waypoint-mobility-model-test.cc
+++ b/src/mobility/test/steady-state-random-waypoint-mobility-model-test.cc
@@ -78,7 +78,7 @@ SteadyStateRandomWaypointTest::DoRun (void)
 
       // Add this mobility model to the stack.
       mobilityStack.push_back (model);
-      Simulator::Schedule (Seconds (0.0), &Object::Start, model);
+      Simulator::Schedule (Seconds (0.0), &Object::Initialize, model);
     } 
 
   Simulator::Schedule (Seconds (0.001), &SteadyStateRandomWaypointTest::DistribCompare, this);
diff --git a/src/mobility/test/waypoint-mobility-model-test.cc b/src/mobility/test/waypoint-mobility-model-test.cc
index 7ed0c15bf..2cc385c8f 100644
--- a/src/mobility/test/waypoint-mobility-model-test.cc
+++ b/src/mobility/test/waypoint-mobility-model-test.cc
@@ -77,7 +77,7 @@ WaypointMobilityModelNotifyTest::DoRun (void)
 
       // Add this mobility model to the stack.
       mobilityStack.push_back (model);
-      Simulator::Schedule (Seconds (0.0), &Object::Start, model);
+      Simulator::Schedule (Seconds (0.0), &Object::Initialize, model);
     } 
 
   Waypoint wpt (Seconds (0.0), Vector (0.0, 0.0, 0.0));
diff --git a/src/network/model/application.cc b/src/network/model/application.cc
index 6727cff2b..98719e6ec 100644
--- a/src/network/model/application.cc
+++ b/src/network/model/application.cc
@@ -89,7 +89,7 @@ Application::DoDispose (void)
 }
 
 void
-Application::DoStart (void)
+Application::DoInitialize (void)
 {
   NS_LOG_FUNCTION (this);
   m_startEvent = Simulator::Schedule (m_startTime, &Application::StartApplication, this);
@@ -97,7 +97,7 @@ Application::DoStart (void)
     {
       m_stopEvent = Simulator::Schedule (m_stopTime, &Application::StopApplication, this);
     }
-  Object::DoStart ();
+  Object::DoInitialize ();
 }
 
 Ptr<Node> Application::GetNode () const
diff --git a/src/network/model/application.h b/src/network/model/application.h
index c9f6e61a3..a8b9782ba 100644
--- a/src/network/model/application.h
+++ b/src/network/model/application.h
@@ -121,7 +121,7 @@ private:
   virtual void StopApplication (void);
 protected:
   virtual void DoDispose (void);
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
 
   Ptr<Node>       m_node;
   Time m_startTime;
diff --git a/src/network/model/node-list.cc b/src/network/model/node-list.cc
index 0ae863a95..87060e834 100644
--- a/src/network/model/node-list.cc
+++ b/src/network/model/node-list.cc
@@ -129,7 +129,7 @@ NodeListPriv::Add (Ptr<Node> node)
   NS_LOG_FUNCTION (this << node);
   uint32_t index = m_nodes.size ();
   m_nodes.push_back (node);
-  Simulator::ScheduleWithContext (index, TimeStep (0), &Node::Start, node);
+  Simulator::ScheduleWithContext (index, TimeStep (0), &Node::Initialize, node);
   return index;
 
 }
diff --git a/src/network/model/node.cc b/src/network/model/node.cc
index bd76674ef..8feec8f7b 100644
--- a/src/network/model/node.cc
+++ b/src/network/model/node.cc
@@ -123,7 +123,7 @@ Node::AddDevice (Ptr<NetDevice> device)
   device->SetIfIndex (index);
   device->SetReceiveCallback (MakeCallback (&Node::NonPromiscReceiveFromDevice, this));
   Simulator::ScheduleWithContext (GetId (), Seconds (0.0), 
-                                  &NetDevice::Start, device);
+                                  &NetDevice::Initialize, device);
   NotifyDeviceAdded (device);
   return index;
 }
@@ -150,7 +150,7 @@ Node::AddApplication (Ptr<Application> application)
   m_applications.push_back (application);
   application->SetNode (this);
   Simulator::ScheduleWithContext (GetId (), Seconds (0.0), 
-                                  &Application::Start, application);
+                                  &Application::Initialize, application);
   return index;
 }
 Ptr<Application> 
@@ -193,23 +193,23 @@ Node::DoDispose ()
   Object::DoDispose ();
 }
 void 
-Node::DoStart (void)
+Node::DoInitialize (void)
 {
   NS_LOG_FUNCTION (this);
   for (std::vector<Ptr<NetDevice> >::iterator i = m_devices.begin ();
        i != m_devices.end (); i++)
     {
       Ptr<NetDevice> device = *i;
-      device->Start ();
+      device->Initialize ();
     }
   for (std::vector<Ptr<Application> >::iterator i = m_applications.begin ();
        i != m_applications.end (); i++)
     {
       Ptr<Application> application = *i;
-      application->Start ();
+      application->Initialize ();
     }
 
-  Object::DoStart ();
+  Object::DoInitialize ();
 }
 
 void
diff --git a/src/network/model/node.h b/src/network/model/node.h
index 013982163..36d29e706 100644
--- a/src/network/model/node.h
+++ b/src/network/model/node.h
@@ -202,7 +202,7 @@ protected:
    * end of their own DoDispose method.
    */
   virtual void DoDispose (void);
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
 private:
   void NotifyDeviceAdded (Ptr<NetDevice> device);
   bool NonPromiscReceiveFromDevice (Ptr<NetDevice> device, Ptr<const Packet>, uint16_t protocol, const Address &from);
diff --git a/src/olsr/model/olsr-routing-protocol.cc b/src/olsr/model/olsr-routing-protocol.cc
index c1c0a2634..a5b783c25 100644
--- a/src/olsr/model/olsr-routing-protocol.cc
+++ b/src/olsr/model/olsr-routing-protocol.cc
@@ -273,7 +273,7 @@ RoutingProtocol::PrintRoutingTable (Ptr<OutputStreamWrapper> stream) const
   m_hnaRoutingTable->PrintRoutingTable (stream);
 }
 
-void RoutingProtocol::DoStart ()
+void RoutingProtocol::DoInitialize ()
 {
   if (m_mainAddress == Ipv4Address ())
     {
diff --git a/src/olsr/model/olsr-routing-protocol.h b/src/olsr/model/olsr-routing-protocol.h
index 4f2c0259b..8e70cfbf4 100644
--- a/src/olsr/model/olsr-routing-protocol.h
+++ b/src/olsr/model/olsr-routing-protocol.h
@@ -133,7 +133,7 @@ public:
   void SetRoutingTableAssociation (Ptr<Ipv4StaticRouting> routingTable);
 
 protected:
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
 private:
   std::map<Ipv4Address, RoutingTableEntry> m_table; ///< Data structure for the routing table.
 
diff --git a/src/wifi/model/ap-wifi-mac.cc b/src/wifi/model/ap-wifi-mac.cc
index 444935783..784787d82 100644
--- a/src/wifi/model/ap-wifi-mac.cc
+++ b/src/wifi/model/ap-wifi-mac.cc
@@ -564,15 +564,15 @@ ApWifiMac::DeaggregateAmsduAndForward (Ptr<Packet> aggregatedPacket,
 }
 
 void
-ApWifiMac::DoStart (void)
+ApWifiMac::DoInitialize (void)
 {
-  m_beaconDca->Start ();
+  m_beaconDca->Initialize ();
   m_beaconEvent.Cancel ();
   if (m_enableBeaconGeneration)
     {
       m_beaconEvent = Simulator::ScheduleNow (&ApWifiMac::SendOneBeacon, this);
     }
-  RegularWifiMac::DoStart ();
+  RegularWifiMac::DoInitialize ();
 }
 
 } // namespace ns3
diff --git a/src/wifi/model/ap-wifi-mac.h b/src/wifi/model/ap-wifi-mac.h
index 679e5a083..478bf53a8 100644
--- a/src/wifi/model/ap-wifi-mac.h
+++ b/src/wifi/model/ap-wifi-mac.h
@@ -121,7 +121,7 @@ private:
   void SetBeaconGeneration (bool enable);
   bool GetBeaconGeneration (void) const;
   virtual void DoDispose (void);
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
 
   Ptr<DcaTxop> m_beaconDca;
   Time m_beaconInterval;
diff --git a/src/wifi/model/dca-txop.cc b/src/wifi/model/dca-txop.cc
index 99d10fbe7..404467ed4 100644
--- a/src/wifi/model/dca-txop.cc
+++ b/src/wifi/model/dca-txop.cc
@@ -293,11 +293,11 @@ DcaTxop::NeedRts (Ptr<const Packet> packet, const WifiMacHeader *header)
 }
 
 void
-DcaTxop::DoStart ()
+DcaTxop::DoInitialize ()
 {
   m_dcf->ResetCw ();
   m_dcf->StartBackoffNow (m_rng->GetNext (0, m_dcf->GetCw ()));
-  ns3::Dcf::DoStart ();
+  ns3::Dcf::DoInitialize ();
 }
 bool
 DcaTxop::NeedRtsRetransmission (void)
diff --git a/src/wifi/model/dca-txop.h b/src/wifi/model/dca-txop.h
index 5b27b7e5b..6426de069 100644
--- a/src/wifi/model/dca-txop.h
+++ b/src/wifi/model/dca-txop.h
@@ -130,7 +130,7 @@ private:
 
   // Inherited from ns3::Object
   Ptr<MacLow> Low (void);
-  void DoStart ();
+  void DoInitialize ();
   /* dcf notifications forwarded here */
   bool NeedsAccess (void) const;
   void NotifyAccessGranted (void);
diff --git a/src/wifi/model/edca-txop-n.cc b/src/wifi/model/edca-txop-n.cc
index 973f96789..507de1064 100644
--- a/src/wifi/model/edca-txop-n.cc
+++ b/src/wifi/model/edca-txop-n.cc
@@ -1120,10 +1120,10 @@ EdcaTxopN::AssignStreams (int64_t stream)
 }
 
 void
-EdcaTxopN::DoStart ()
+EdcaTxopN::DoInitialize ()
 {
   m_dcf->ResetCw ();
   m_dcf->StartBackoffNow (m_rng->GetNext (0, m_dcf->GetCw ()));
-  ns3::Dcf::DoStart ();
+  ns3::Dcf::DoInitialize ();
 }
 } // namespace ns3
diff --git a/src/wifi/model/edca-txop-n.h b/src/wifi/model/edca-txop-n.h
index ad66d5ed4..764e13f53 100644
--- a/src/wifi/model/edca-txop-n.h
+++ b/src/wifi/model/edca-txop-n.h
@@ -162,7 +162,7 @@ public:
   int64_t AssignStreams (int64_t stream);
 
 private:
-  void DoStart ();
+  void DoInitialize ();
   /**
    * This functions are used only to correctly set addresses in a-msdu subframe.
    * If aggregating sta is a STA (in an infrastructured network):
diff --git a/src/wifi/model/regular-wifi-mac.cc b/src/wifi/model/regular-wifi-mac.cc
index e93a525eb..329997ee5 100644
--- a/src/wifi/model/regular-wifi-mac.cc
+++ b/src/wifi/model/regular-wifi-mac.cc
@@ -75,15 +75,15 @@ RegularWifiMac::~RegularWifiMac ()
 }
 
 void
-RegularWifiMac::DoStart ()
+RegularWifiMac::DoInitialize ()
 {
   NS_LOG_FUNCTION (this);
 
-  m_dca->Start ();
+  m_dca->Initialize ();
 
   for (EdcaQueues::iterator i = m_edca.begin (); i != m_edca.end (); ++i)
     {
-      i->second->Start ();
+      i->second->Initialize ();
     }
 }
 
diff --git a/src/wifi/model/regular-wifi-mac.h b/src/wifi/model/regular-wifi-mac.h
index f501adf0e..8cc1a049b 100644
--- a/src/wifi/model/regular-wifi-mac.h
+++ b/src/wifi/model/regular-wifi-mac.h
@@ -211,7 +211,7 @@ public:
   virtual Time GetCompressedBlockAckTimeout (void) const;
 
 protected:
-  virtual void DoStart ();
+  virtual void DoInitialize ();
   virtual void DoDispose ();
 
   MacRxMiddle *m_rxMiddle;
diff --git a/src/wifi/model/wifi-net-device.cc b/src/wifi/model/wifi-net-device.cc
index bdf06f5ec..6e6dee136 100644
--- a/src/wifi/model/wifi-net-device.cc
+++ b/src/wifi/model/wifi-net-device.cc
@@ -96,12 +96,12 @@ WifiNetDevice::DoDispose (void)
 }
 
 void
-WifiNetDevice::DoStart (void)
+WifiNetDevice::DoInitialize (void)
 {
-  m_phy->Start ();
-  m_mac->Start ();
-  m_stationManager->Start ();
-  NetDevice::DoStart ();
+  m_phy->Initialize ();
+  m_mac->Initialize ();
+  m_stationManager->Initialize ();
+  NetDevice::DoInitialize ();
 }
 
 void
diff --git a/src/wifi/model/wifi-net-device.h b/src/wifi/model/wifi-net-device.h
index 40dbe7e0d..b73b4615d 100644
--- a/src/wifi/model/wifi-net-device.h
+++ b/src/wifi/model/wifi-net-device.h
@@ -115,7 +115,7 @@ private:
   static const uint16_t MAX_MSDU_SIZE = 2304;
 
   virtual void DoDispose (void);
-  virtual void DoStart (void);
+  virtual void DoInitialize (void);
   void ForwardUp (Ptr<Packet> packet, Mac48Address from, Mac48Address to);
   void LinkUp (void);
   void LinkDown (void);