diff --git a/bindings/python/ns3_module_simulator.py b/bindings/python/ns3_module_simulator.py
index aee2ed2f6..cd2fa96ae 100644
--- a/bindings/python/ns3_module_simulator.py
+++ b/bindings/python/ns3_module_simulator.py
@@ -367,6 +367,11 @@ def register_Ns3Simulator_methods(root_module, cls):
                    'void', 
                    [], 
                    is_static=True, unblock_threads=True)
+    ## simulator.h: static void ns3::Simulator::RunOneEvent() [member function]
+    cls.add_method('RunOneEvent', 
+                   'void', 
+                   [], 
+                   is_static=True)
     ## simulator.h: static void ns3::Simulator::Stop() [member function]
     cls.add_method('Stop', 
                    'void', 
@@ -669,6 +674,11 @@ def register_Ns3SimulatorImpl_methods(root_module, cls):
                    'void', 
                    [], 
                    is_pure_virtual=True, is_virtual=True)
+    ## simulator-impl.h: void ns3::SimulatorImpl::RunOneEvent() [member function]
+    cls.add_method('RunOneEvent', 
+                   'void', 
+                   [], 
+                   is_pure_virtual=True, is_virtual=True)
     ## simulator-impl.h: ns3::Time ns3::SimulatorImpl::Now() const [member function]
     cls.add_method('Now', 
                    'ns3::Time', 
@@ -765,6 +775,11 @@ def register_Ns3DefaultSimulatorImpl_methods(root_module, cls):
                    'void', 
                    [], 
                    is_virtual=True)
+    ## default-simulator-impl.h: void ns3::DefaultSimulatorImpl::RunOneEvent() [member function]
+    cls.add_method('RunOneEvent', 
+                   'void', 
+                   [], 
+                   is_virtual=True)
     ## default-simulator-impl.h: ns3::Time ns3::DefaultSimulatorImpl::Now() const [member function]
     cls.add_method('Now', 
                    'ns3::Time', 
diff --git a/src/simulator/default-simulator-impl.cc b/src/simulator/default-simulator-impl.cc
index 3fc8c6aca..6da5db2f7 100644
--- a/src/simulator/default-simulator-impl.cc
+++ b/src/simulator/default-simulator-impl.cc
@@ -156,6 +156,12 @@ DefaultSimulatorImpl::Run (void)
   NS_ASSERT(!m_events->IsEmpty () || m_unscheduledEvents == 0);
 }
 
+void
+DefaultSimulatorImpl::RunOneEvent (void)
+{
+  ProcessOneEvent ();
+}
+
 void 
 DefaultSimulatorImpl::Stop (void)
 {
diff --git a/src/simulator/default-simulator-impl.h b/src/simulator/default-simulator-impl.h
index b923d614d..3dc92e4b5 100644
--- a/src/simulator/default-simulator-impl.h
+++ b/src/simulator/default-simulator-impl.h
@@ -55,6 +55,7 @@ public:
   virtual void Cancel (const EventId &ev);
   virtual bool IsExpired (const EventId &ev) const;
   virtual void Run (void);
+  virtual void RunOneEvent (void);
   virtual Time Now (void) const;
   virtual Time GetDelayLeft (const EventId &id) const;
   virtual Time GetMaximumSimulationTime (void) const;
diff --git a/src/simulator/simulator-impl.h b/src/simulator/simulator-impl.h
index 7887e5b45..8123ad96f 100644
--- a/src/simulator/simulator-impl.h
+++ b/src/simulator/simulator-impl.h
@@ -49,6 +49,7 @@ public:
   virtual void Cancel (const EventId &ev) = 0;
   virtual bool IsExpired (const EventId &ev) const = 0;
   virtual void Run (void) = 0;
+  virtual void RunOneEvent (void) = 0;
   virtual Time Now (void) const = 0;
   virtual Time GetDelayLeft (const EventId &id) const = 0;
   virtual Time GetMaximumSimulationTime (void) const = 0;
diff --git a/src/simulator/simulator.cc b/src/simulator/simulator.cc
index 183e0c5a8..b1788234b 100644
--- a/src/simulator/simulator.cc
+++ b/src/simulator/simulator.cc
@@ -145,6 +145,13 @@ Simulator::Run (void)
   GetImpl ()->Run ();
 }
 
+void 
+Simulator::RunOneEvent (void)
+{
+  NS_LOG_FUNCTION_NOARGS ();
+  GetImpl ()->RunOneEvent ();
+}
+
 void 
 Simulator::Stop (void)
 {
diff --git a/src/simulator/simulator.h b/src/simulator/simulator.h
index 6972c5f6c..4b47b3b91 100644
--- a/src/simulator/simulator.h
+++ b/src/simulator/simulator.h
@@ -116,6 +116,11 @@ public:
    */
   static void Run (void);
 
+  /**
+   * Process only the next simulation event, then return immediately.
+   */
+  static void RunOneEvent (void);
+
   /**
    * If an event invokes this method, it will be the last
    * event scheduled by the Simulator::run method before