diff --git a/model/fw/best-route.cc b/model/fw/best-route.cc
index 03400b7..08bbd7c 100644
--- a/model/fw/best-route.cc
+++ b/model/fw/best-route.cc
@@ -58,11 +58,11 @@
     ;
   return tid;
 }
-    
+
 BestRoute::BestRoute ()
 {
 }
-    
+
 bool
 BestRoute::DoPropagateInterest (Ptr<Face> inFace,
                                 Ptr<const InterestHeader> header,
@@ -77,14 +77,14 @@
     return true;
 
   int propagatedCount = 0;
-  
+
   BOOST_FOREACH (const fib::FaceMetric &metricFace, pitEntry->GetFibEntry ()->m_faces.get<fib::i_metric> ())
     {
       NS_LOG_DEBUG ("Trying " << boost::cref(metricFace));
-      if (metricFace.m_status == fib::FaceMetric::NDN_FIB_RED) // all non-read faces are in front
+      if (metricFace.GetStatus () == fib::FaceMetric::NDN_FIB_RED) // all non-read faces are in front
         break;
 
-      if (!TrySendOutInterest (inFace, metricFace.m_face, header, origPacket, pitEntry))
+      if (!TrySendOutInterest (inFace, metricFace.GetFace (), header, origPacket, pitEntry))
         {
           continue;
         }
diff --git a/model/fw/flooding.cc b/model/fw/flooding.cc
index 80b863a..0c369b7 100644
--- a/model/fw/flooding.cc
+++ b/model/fw/flooding.cc
@@ -59,7 +59,7 @@
     ;
   return tid;
 }
-    
+
 Flooding::Flooding ()
 {
 }
@@ -77,14 +77,14 @@
   BOOST_FOREACH (const fib::FaceMetric &metricFace, pitEntry->GetFibEntry ()->m_faces.get<fib::i_metric> ())
     {
       NS_LOG_DEBUG ("Trying " << boost::cref(metricFace));
-      if (metricFace.m_status == fib::FaceMetric::NDN_FIB_RED) // all non-read faces are in the front of the list
+      if (metricFace.GetStatus () == fib::FaceMetric::NDN_FIB_RED) // all non-read faces are in the front of the list
         break;
-      
-      if (!TrySendOutInterest (inFace, metricFace.m_face, header, origPacket, pitEntry))
+
+      if (!TrySendOutInterest (inFace, metricFace.GetFace (), header, origPacket, pitEntry))
         {
           continue;
         }
-      
+
       propagatedCount++;
     }
 
diff --git a/model/fw/green-yellow-red.cc b/model/fw/green-yellow-red.cc
index 52acc68..09f3199 100644
--- a/model/fw/green-yellow-red.cc
+++ b/model/fw/green-yellow-red.cc
@@ -72,18 +72,18 @@
   NS_ASSERT_MSG (m_pit != 0, "PIT should be aggregated with forwarding strategy");
 
   int propagatedCount = 0;
-  
+
   BOOST_FOREACH (const fib::FaceMetric &metricFace, pitEntry->GetFibEntry ()->m_faces.get<fib::i_metric> ())
     {
-      if (metricFace.m_status == fib::FaceMetric::NDN_FIB_RED ||
-          metricFace.m_status == fib::FaceMetric::NDN_FIB_YELLOW)
+      if (metricFace.GetStatus () == fib::FaceMetric::NDN_FIB_RED ||
+          metricFace.GetStatus () == fib::FaceMetric::NDN_FIB_YELLOW)
         break; //propagate only to green faces
 
-      if (!TrySendOutInterest (inFace, metricFace.m_face, header, origPacket, pitEntry))
+      if (!TrySendOutInterest (inFace, metricFace.GetFace (), header, origPacket, pitEntry))
         {
           continue;
         }
-      
+
       propagatedCount++;
       break; // propagate only one interest
     }
diff --git a/model/fw/per-fib-limits.h b/model/fw/per-fib-limits.h
index 47f9ee6..4affec9 100644
--- a/model/fw/per-fib-limits.h
+++ b/model/fw/per-fib-limits.h
@@ -57,13 +57,13 @@
    */
   static std::string
   GetLogName ();
-  
+
   /**
    * @brief Default constructor
    */
   PerFibLimits ()
   { }
-  
+
   /// \copydoc ForwardingStrategy::WillEraseTimedOutPendingInterest
   virtual void
   WillEraseTimedOutPendingInterest (Ptr<pit::Entry> pitEntry);
@@ -86,14 +86,14 @@
   DidAddFibEntry (Ptr<fib::Entry> fibEntry)
   {
     ObjectFactory factory;
-    factory.SetTypeId (fibEntry->m_faces.begin ()->m_face->GetObject<Limits> ()->GetInstanceTypeId ());
-    
+    factory.SetTypeId (fibEntry->m_faces.begin ()->GetFace ()->GetObject<Limits> ()->GetInstanceTypeId ());
+
     Ptr<Limits> limits = factory.template Create<Limits> ();
     fibEntry->AggregateObject (limits);
 
     super::DidAddFibEntry (fibEntry);
   }
-  
+
 protected:
   /// \copydoc ForwardingStrategy::CanSendOutInterest
   virtual bool
@@ -102,7 +102,7 @@
                       Ptr<const InterestHeader> header,
                       Ptr<const Packet> origPacket,
                       Ptr<pit::Entry> pitEntry);
-  
+
   /// \copydoc ForwardingStrategy::WillSatisfyPendingInterest
   virtual void
   WillSatisfyPendingInterest (Ptr<Face> inFace,
@@ -110,7 +110,7 @@
 
 protected:
   static LogComponent g_log; ///< @brief Logging variable
-  
+
 private:
   std::string m_limitType;
 };
@@ -149,7 +149,7 @@
 
   Ptr<Limits> fibLimits = pitEntry->GetFibEntry ()->template GetObject<Limits> ();
   // no checks for the limit here. the check should be somewhere elese
-  
+
   if (fibLimits->IsBelowLimit ())
     {
       if (super::CanSendOutInterest (inFace, outFace, header, origPacket, pitEntry))
@@ -158,7 +158,7 @@
           return true;
         }
     }
-  
+
   return false;
 }
 
@@ -184,7 +184,7 @@
 
   Ptr<Limits> fibLimits = pitEntry->GetFibEntry ()->template GetObject<Limits> ();
   fibLimits->ReturnLimit ();
-  
+
   super::WillSatisfyPendingInterest (inFace, pitEntry);
 }
 
diff --git a/model/fw/smart-flooding.cc b/model/fw/smart-flooding.cc
index 3777739..c8b8406 100644
--- a/model/fw/smart-flooding.cc
+++ b/model/fw/smart-flooding.cc
@@ -59,7 +59,7 @@
     ;
   return tid;
 }
-    
+
 SmartFlooding::SmartFlooding ()
 {
 }
@@ -82,14 +82,14 @@
   BOOST_FOREACH (const fib::FaceMetric &metricFace, pitEntry->GetFibEntry ()->m_faces.get<fib::i_metric> ())
     {
       NS_LOG_DEBUG ("Trying " << boost::cref(metricFace));
-      if (metricFace.m_status == fib::FaceMetric::NDN_FIB_RED) // all non-read faces are in the front of the list
+      if (metricFace.GetStatus () == fib::FaceMetric::NDN_FIB_RED) // all non-read faces are in the front of the list
         break;
-      
-      if (!TrySendOutInterest (inFace, metricFace.m_face, header, origPacket, pitEntry))
+
+      if (!TrySendOutInterest (inFace, metricFace.GetFace (), header, origPacket, pitEntry))
         {
           continue;
         }
-      
+
       propagatedCount++;
     }