diff --git a/examples/simple-point-to-point.cc b/examples/simple-point-to-point.cc
index 4e7657cdb..91a1f45e1 100644
--- a/examples/simple-point-to-point.cc
+++ b/examples/simple-point-to-point.cc
@@ -64,6 +64,7 @@
 #include "ns3/ipv4-route.h"
 #include "ns3/point-to-point-topology.h"
 #include "ns3/onoff-application.h"
+#include "ns3/node-list.h"
 
 using namespace ns3;
 
@@ -178,6 +179,8 @@ int main (int argc, char *argv[])
   asciitrace.TraceAllQueues ();
   asciitrace.TraceAllNetDeviceRx ();
 
+  NodeList::ConnectPrinterToAll (std::cout);
+
   // Also configure some tcpdump traces; each interface will be traced
   // The output files will be named 
   // simple-point-to-point.pcap-<nodeId>-<interfaceId>
diff --git a/src/core/array-trace-resolver.h b/src/core/array-trace-resolver.h
index 0d1086447..d5bc2ca32 100644
--- a/src/core/array-trace-resolver.h
+++ b/src/core/array-trace-resolver.h
@@ -64,6 +64,7 @@ public:
   virtual void Disconnect (std::string path, CallbackBase const &cb);
   virtual void CollectSources (std::string path, const TraceContext &context, 
                                SourceCollection *collection);
+  virtual void ConnectPrinterToAll (std::ostream &os, const TraceContext &context);
 
 private:
   class IteratorBase
@@ -183,6 +184,21 @@ ArrayTraceResolver<INDEX>::CollectSources (std::string path, const TraceContext
     }
 }
 
+template <typename INDEX>
+void 
+ArrayTraceResolver<INDEX>::ConnectPrinterToAll (std::ostream &os, const TraceContext &context)
+{
+  uint32_t j = 0;
+  for (m_iter->Rewind (); m_iter->HasNext (); m_iter->Next ())
+    {
+        TraceContext tmp = context;
+        INDEX index = j;
+        tmp.AddElement (index);
+        Ptr<Object> obj = m_iter->Get ();
+        obj->GetTraceResolver ()->ConnectPrinterToAll (os, tmp);
+        j++;
+    }
+}
 
 }//namespace ns3
 
diff --git a/src/core/callback-trace-source.cc b/src/core/callback-trace-source.cc
index aa686c14d..02298520e 100644
--- a/src/core/callback-trace-source.cc
+++ b/src/core/callback-trace-source.cc
@@ -19,6 +19,9 @@
  * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
  */
 #include "callback-trace-source.h"
+
+#ifdef RUN_SELF_TESTS
+
 #include "test.h"
 
 namespace ns3 {
@@ -93,6 +96,6 @@ CallbackTraceSourceTest::RunTests (void)
 
 CallbackTraceSourceTest g_callbackTraceTest;
 
-
-
 }//namespace ns3
+
+#endif /* RUN_SELF_TESTS */
diff --git a/src/core/callback-trace-source.h b/src/core/callback-trace-source.h
index d571b5739..2e302cdc2 100644
--- a/src/core/callback-trace-source.h
+++ b/src/core/callback-trace-source.h
@@ -44,6 +44,7 @@ public:
   CallbackTraceSource ();
   virtual void AddCallback (CallbackBase const & callback, TraceContext const & context);
   virtual void RemoveCallback (CallbackBase const & callback);
+  virtual void ConnectPrinter (std::ostream &os, const TraceContext &context);
   void operator() (void) const;
   void operator() (T1 a1) const;
   void operator() (T1 a1, T2 a2) const;
@@ -62,6 +63,92 @@ private:
 
 namespace ns3 {
 
+namespace internal {
+
+template<typename T1, typename T2, 
+         typename T3, typename T4>
+class TraceSinkPrint;
+
+template<typename T1, typename T2, 
+         typename T3, typename T4>
+class TraceSinkPrint
+{
+public:
+  static Callback<void,const TraceContext &,T1,T2,T3,T4> Make (std::ostream &os)
+  {
+    return ns3::MakeBoundCallback (&DoPrint, &os);
+  }
+private:
+  static void DoPrint (std::ostream *os, const TraceContext &context, T1 a1, T2 a2, T3 a3, T4 a4)
+  {
+    *os << "context=\"" << context << "\" arg1=\"" << a1 << "\" arg2=\"" << a2 << "\" arg3=\"" << a3 << "\" arg4=\"" << a4 << "\"" << std::endl;
+  }
+};
+
+template<typename T1, typename T2, 
+         typename T3>
+class TraceSinkPrint<T1,T2,T3,empty>
+{
+public:
+  static Callback<void,const TraceContext &,T1,T2,T3> Make (std::ostream &os)
+  {
+    return ns3::MakeBoundCallback (&DoPrint, &os);
+  }
+private:
+  static void DoPrint (std::ostream *os, const TraceContext &context, T1 a1, T2 a2, T3 a3)
+  {
+    *os << "context=\"" << context << "\" arg1=\"" << a1 << "\" arg2=\"" << a2 << "\" arg3=\"" << a3 << "\"" << std::endl;
+  }
+};
+
+template<typename T1, typename T2>
+class TraceSinkPrint<T1,T2,empty,empty>
+{
+public:
+  static Callback<void,const TraceContext &,T1,T2> Make (std::ostream &os)
+  {
+    return ns3::MakeBoundCallback (&DoPrint, &os);
+  }
+private:
+  static void DoPrint (std::ostream *os, const TraceContext &context, T1 a1, T2 a2)
+  {
+    *os << "context=\"" << context << "\" arg1=\"" << a1 << "\" arg2=\"" << a2 << "\"" << std::endl;
+  }
+};
+
+template<typename T1>
+class TraceSinkPrint<T1,empty,empty,empty>
+{
+public:
+  static Callback<void,const TraceContext &,T1> Make (std::ostream &os)
+  {
+    return ns3::MakeBoundCallback (&DoPrint, &os);
+  }
+private:
+  static void DoPrint (std::ostream *os, const TraceContext &context, T1 a1)
+  {
+    *os << "context=\"" << context << "\" arg1=\"" << a1 << "\"" << std::endl;
+  }
+};
+
+template <>
+class TraceSinkPrint<empty,empty,empty,empty>
+{
+public:
+  static Callback<void,const TraceContext &> Make (std::ostream &os)
+  {
+    return ns3::MakeBoundCallback (&DoPrint, &os);
+  }
+private:
+  static void DoPrint (std::ostream *os, const TraceContext &context)
+  {
+    *os << "context=\"" << context << std::endl;
+  }
+};
+
+} // namespace internal
+
+
 template<typename T1, typename T2, 
          typename T3, typename T4>
 CallbackTraceSource<T1,T2,T3,T4>::CallbackTraceSource ()
@@ -99,6 +186,13 @@ CallbackTraceSource<T1,T2,T3,T4>::RemoveCallback (CallbackBase const & callback)
 template<typename T1, typename T2, 
          typename T3, typename T4>
 void 
+CallbackTraceSource<T1,T2,T3,T4>::ConnectPrinter (std::ostream &os, const TraceContext &context)
+{
+  AddCallback (ns3::internal::TraceSinkPrint<T1,T2,T3,T4>::Make (os), context);
+}
+template<typename T1, typename T2, 
+         typename T3, typename T4>
+void 
 CallbackTraceSource<T1,T2,T3,T4>::operator() (void) const
 {
   for (typename CallbackList::const_iterator i = m_callbackList.begin ();
diff --git a/src/core/composite-trace-resolver.cc b/src/core/composite-trace-resolver.cc
index bb0aacabb..377da45b5 100644
--- a/src/core/composite-trace-resolver.cc
+++ b/src/core/composite-trace-resolver.cc
@@ -63,6 +63,12 @@ CompositeTraceResolver::Add (std::string name,
       ctx.Union (this->context);
       this->maker ()->CollectSources (path, ctx, collection);
     }
+    virtual void ConnectPrinterToAll (std::ostream &os, const TraceContext &context)
+    {
+      TraceContext ctx = context;
+      ctx.Union (this->context);
+      this->maker ()->ConnectPrinterToAll (os, ctx);
+    }
     Callback<Ptr<TraceResolver> > maker;
   } *item = new MakerResolveItem ();
   item->name = name;
@@ -101,6 +107,12 @@ CompositeTraceResolver::DoAddSource (std::string name,
       ctx.Union (this->context);
       collection->AddUnique (path, ctx, this->doc);
     }
+    virtual void ConnectPrinterToAll (std::ostream &os, const TraceContext &context)
+    {
+      TraceContext ctx = context;
+      ctx.Union (this->context);
+      this->trace->ConnectPrinter (os, ctx);
+    }
     TraceSource *trace;
     TraceDoc doc;
   } *item = new SourceResolveItem ();
@@ -138,6 +150,12 @@ CompositeTraceResolver::DoAddComposite (std::string name, Ptr<Object> composite,
       ctx.Union (this->context);
       this->composite->GetTraceResolver ()->CollectSources (path, ctx, collection);
     }
+    virtual void ConnectPrinterToAll (std::ostream &os, const TraceContext &context)
+    {
+      TraceContext ctx = context;
+      ctx.Union (this->context);
+      this->composite->GetTraceResolver ()->ConnectPrinterToAll (os, ctx);
+    }
 
     Ptr<Object> composite;
   } *item = new CompositeResolveItem ();
@@ -293,6 +311,19 @@ CompositeTraceResolver::CollectSources (std::string path, const TraceContext &co
       m_parent->CollectSources (path, context, collection);
     }
 }
+void 
+CompositeTraceResolver::ConnectPrinterToAll (std::ostream &os, const TraceContext &context)
+{
+  for (TraceItems::const_iterator i = m_items.begin (); i != m_items.end (); i++)
+    {
+      NS_DEBUG ("print " << (*i)->name);
+      (*i)->ConnectPrinterToAll (os, context);
+    }
+  if (m_parent != 0)
+    {
+      m_parent->ConnectPrinterToAll (os, context);
+    }  
+}
 
 
 }//namespace ns3
diff --git a/src/core/composite-trace-resolver.h b/src/core/composite-trace-resolver.h
index 56886d739..c0612151f 100644
--- a/src/core/composite-trace-resolver.h
+++ b/src/core/composite-trace-resolver.h
@@ -120,6 +120,7 @@ private:
   virtual void Disconnect (std::string path, CallbackBase const &cb);
   virtual void CollectSources (std::string path, const TraceContext &context, 
                                SourceCollection *collection);
+  virtual void ConnectPrinterToAll (std::ostream &os, const TraceContext &context);
   friend class CompositeTraceResolverTest;
   class ResolveItem 
   {
@@ -129,6 +130,7 @@ private:
     virtual void Disconnect (std::string subpath, const CallbackBase &cb) = 0;
     virtual void CollectSources (std::string path, const TraceContext &context, 
                                  SourceCollection *collection) = 0;
+    virtual void ConnectPrinterToAll (std::ostream &os, const TraceContext &context) = 0;
 
     std::string name;
     TraceContext context;
@@ -199,6 +201,12 @@ CompositeTraceResolver::AddArray (std::string name,
       ctx.Union (this->context);
       array->CollectSources (path, ctx, collection);
     }
+    virtual void ConnectPrinterToAll (std::ostream &os, const TraceContext &context)
+    {
+      TraceContext ctx = context;
+      ctx.Union (this->context);
+      array->ConnectPrinterToAll (os, ctx);
+    }
 
     Ptr<ArrayTraceResolver<INDEX> > array;
   } *item = new ArrayResolveItem ();
diff --git a/src/core/fv-trace-source.h b/src/core/fv-trace-source.h
index 5b9f44df4..c0f816dbb 100644
--- a/src/core/fv-trace-source.h
+++ b/src/core/fv-trace-source.h
@@ -46,6 +46,9 @@ public:
   virtual void RemoveCallback (CallbackBase const & callback) {
     m_callback.RemoveCallback (callback);
   }
+  virtual void ConnectPrinter (std::ostream &os, const TraceContext &context) {
+    m_callback.ConnectPrinter (os, context);
+  }
 protected:
   void notify (double oldVal, double newVal) {
       if (oldVal != newVal) 
diff --git a/src/core/object.cc b/src/core/object.cc
index 85f180cf0..ce87c0f63 100644
--- a/src/core/object.cc
+++ b/src/core/object.cc
@@ -68,6 +68,7 @@ public:
   virtual void Disconnect (std::string path, CallbackBase const &cb);
   virtual void CollectSources (std::string path, const TraceContext &context, 
                                SourceCollection *collection);
+  virtual void ConnectPrinterToAll (std::ostream &os, const TraceContext &context);
 private:
   Ptr<const Object> ParseForInterface (std::string path);
   Ptr<const Object> m_aggregate;
@@ -114,6 +115,11 @@ InterfaceIdTraceResolver::CollectSources (std::string path, const TraceContext &
 {
   m_aggregate->DoCollectSources (path, context, collection);
 }
+void 
+InterfaceIdTraceResolver::ConnectPrinterToAll (std::ostream &os, const TraceContext &context)
+{
+  m_aggregate->DoConnectPrinterToAll (os, context);
+}
 
 
 InterfaceId::InterfaceId (uint16_t iid)
@@ -333,6 +339,31 @@ Object::DoCollectSources (std::string path, const TraceContext &context,
 
   m_collecting = false;
 }
+void 
+Object::DoConnectPrinterToAll (std::ostream &os, const TraceContext &context) const
+{
+  const Object *current;
+  current = this;
+  do {
+    if (current->m_collecting)
+      {
+        return;
+      }
+    current = current->m_next;
+  } while (current != this);
+
+  m_collecting = true;
+
+  current = this->m_next;
+  while (current != this)
+    {
+      NS_ASSERT (current != 0);
+      current->GetTraceResolver ()->ConnectPrinterToAll (os, context);
+      current = current->m_next;
+    }
+
+  m_collecting = false;
+}
 
 } // namespace ns3
 
diff --git a/src/core/object.h b/src/core/object.h
index ea4f091db..9cc5a0f68 100644
--- a/src/core/object.h
+++ b/src/core/object.h
@@ -184,6 +184,7 @@ private:
   Ptr<Object> DoQueryInterface (InterfaceId iid) const;
   void DoCollectSources (std::string path, const TraceContext &context, 
                          TraceResolver::SourceCollection *collection) const;
+  void DoConnectPrinterToAll (std::ostream &os, const TraceContext &context) const;
   bool Check (void) const;
   void MaybeDelete (void) const;
   mutable uint32_t m_count;
diff --git a/src/core/sv-trace-source.h b/src/core/sv-trace-source.h
index 23d28f988..8cbb2447b 100644
--- a/src/core/sv-trace-source.h
+++ b/src/core/sv-trace-source.h
@@ -46,6 +46,9 @@ public:
   virtual void RemoveCallback (CallbackBase const & callback) {
     m_callback.RemoveCallback (callback);
   }
+  virtual void ConnectPrinter (std::ostream &os, const TraceContext &context) {
+    m_callback.ConnectPrinter (os, context);
+  }
 protected:
   void Notify (int64_t oldVal, int64_t newVal) {
       if (oldVal != newVal) 
diff --git a/src/core/trace-resolver.h b/src/core/trace-resolver.h
index c78a6f21d..f3e0d101a 100644
--- a/src/core/trace-resolver.h
+++ b/src/core/trace-resolver.h
@@ -100,6 +100,8 @@ public:
    */
   virtual void CollectSources (std::string path, const TraceContext &context, 
                                SourceCollection *collection) = 0;
+
+  virtual void ConnectPrinterToAll (std::ostream &os, const TraceContext &context) = 0;
 protected:
   /**
    * \param path a namespace path
diff --git a/src/core/trace-source.h b/src/core/trace-source.h
index f9ee2ddac..9a35a80ad 100644
--- a/src/core/trace-source.h
+++ b/src/core/trace-source.h
@@ -21,6 +21,8 @@
 #ifndef TRACE_SOURCE_H
 #define TRACE_SOURCE_H
 
+#include <ostream>
+
 namespace ns3 {
 
 class CallbackBase;
@@ -51,6 +53,7 @@ public:
    * \param callback the callback to disconnect from this trace source
    */
   virtual void RemoveCallback (CallbackBase const & callback) = 0;
+  virtual void ConnectPrinter (std::ostream &os, TraceContext const &context) = 0;
 };
 
 } // namespace ns3
diff --git a/src/core/uv-trace-source.h b/src/core/uv-trace-source.h
index ff248bbf4..0fe84c826 100644
--- a/src/core/uv-trace-source.h
+++ b/src/core/uv-trace-source.h
@@ -47,7 +47,10 @@ public:
     m_callback.AddCallback (callback, context);
   }
   virtual void RemoveCallback (CallbackBase const & callback) {
-    m_callback.RemoveCallback (callback);
+    m_callback.RemoveCallback (callback);  
+  }  
+  virtual void ConnectPrinter (std::ostream &os, const TraceContext &context) {
+    m_callback.ConnectPrinter (os, context);
   }
 
 protected:
diff --git a/src/node/node-list.cc b/src/node/node-list.cc
index 3a68bf584..95a009bbb 100644
--- a/src/node/node-list.cc
+++ b/src/node/node-list.cc
@@ -171,6 +171,11 @@ NodeList::Disconnect (std::string name, const CallbackBase &cb)
 {
   SimulationSingleton<NodeListPriv>::Get ()->GetTraceResolver ()->Disconnect (name, cb);
 }
+void 
+NodeList::ConnectPrinterToAll (std::ostream &os)
+{
+  SimulationSingleton<NodeListPriv>::Get ()->GetTraceResolver ()->ConnectPrinterToAll (os, TraceContext ());
+}
 Ptr<TraceResolver> 
 NodeList::GetTraceResolver (void)
 {
diff --git a/src/node/node-list.h b/src/node/node-list.h
index 4a6c113bf..02c638bbf 100644
--- a/src/node/node-list.h
+++ b/src/node/node-list.h
@@ -101,6 +101,7 @@ public:
    * the input namespace regexp.
    */
   static void Disconnect (std::string name, const CallbackBase &cb);
+  static void ConnectPrinterToAll (std::ostream &os);
   static Ptr<TraceResolver> GetTraceResolver (void);
 private:
 };