diff --git a/include/boost/container/node_handle.hpp b/include/boost/container/node_handle.hpp
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+++ b/include/boost/container/node_handle.hpp
@@ -0,0 +1,396 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2016-2016. Distributed under the Boost
+// Software License, Version 1.0. (See accompanying file
+// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// See http://www.boost.org/libs/container for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_CONTAINER_NODE_HANDLE_HPP
+#define BOOST_CONTAINER_NODE_HANDLE_HPP
+
+#ifndef BOOST_CONFIG_HPP
+#  include <boost/config.hpp>
+#endif
+
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#  pragma once
+#endif
+
+#include <boost/container/detail/config_begin.hpp>
+#include <boost/container/detail/workaround.hpp>
+#include <boost/static_assert.hpp>
+#include <boost/container/detail/placement_new.hpp>
+#include <boost/container/detail/to_raw_pointer.hpp>
+#include <boost/container/allocator_traits.hpp>
+#include <boost/container/detail/mpl.hpp>
+
+#include <boost/move/utility_core.hpp>
+#include <boost/move/adl_move_swap.hpp>
+
+#include <boost/type_traits/aligned_storage.hpp>
+
+
+//!\file
+
+namespace boost {
+namespace container {
+
+///@cond
+
+template<class Value, class KeyMapped, bool keymapped_is_void = container_detail::is_same<KeyMapped, void>::value>
+struct node_handle_keymapped_traits
+{
+   typedef Value key_type;
+   typedef Value mapped_type;
+};
+
+template<class Value, class KeyMapped>
+struct node_handle_keymapped_traits<Value, KeyMapped, false>
+{
+   typedef typename KeyMapped::key_type      key_type;
+   typedef typename KeyMapped::mapped_type   mapped_type;
+};
+
+///@endcond
+
+//! A node_handle is an object that accepts ownership of a single element from an associative container.
+//! It may be used to transfer that ownership to another container with compatible nodes. Containers
+//! with compatible nodes have the same node handle type. Elements may be transferred in either direction
+//! between container types in the same row:.
+//!
+//! Container types with compatible nodes
+//!
+//! map<K, T, C1, A> <-> map<K, T, C2, A>
+//!
+//! map<K, T, C1, A> <-> multimap<K, T, C2, A>
+//! 
+//! set<K, C1, A> <-> set<K, C2, A>
+//! 
+//! set<K, C1, A> <-> multiset<K, C2, A>
+//! 
+//! If a node handle is not empty, then it contains an allocator that is equal to the allocator of the container
+//! when the element was extracted. If a node handle is empty, it contains no allocator.
+template <class NodeType, class Value, class Allocator, class KeyMapped = void>
+class node_handle
+{
+   typedef node_handle_keymapped_traits<Value, KeyMapped> keymapped_t;
+
+   public:
+   typedef Value                                                  value_type;
+   typedef typename keymapped_t::key_type                         key_type;
+   typedef typename keymapped_t::mapped_type                      mapped_type;
+   typedef Allocator                                              allocator_type;
+   typedef NodeType                                               container_node_type;
+
+   ///@cond
+   private:
+   BOOST_MOVABLE_BUT_NOT_COPYABLE(node_handle)
+
+   typedef allocator_traits<allocator_type>                                   ator_traits;
+   typedef typename ator_traits::template portable_rebind_alloc
+      <container_node_type>::type                                             nallocator_type;
+   typedef allocator_traits<nallocator_type>                                  node_ator_traits;
+   typedef typename node_ator_traits::pointer                                 node_pointer;
+   typedef ::boost::aligned_storage
+      <sizeof(allocator_type), boost::alignment_of<nallocator_type>::value>   nalloc_storage_t;
+
+   node_pointer      m_ptr;
+   nalloc_storage_t  m_nalloc_storage;
+
+   void move_construct_alloc(nallocator_type &al)
+   {  ::new(m_nalloc_storage.address(), boost_container_new_t()) allocator_type(::boost::move(al));   }
+
+   void destroy_node()
+   {
+      node_ator_traits::destroy(this->node_alloc(), container_detail::to_raw_pointer(m_ptr));
+      node_ator_traits::deallocate(this->node_alloc(), m_ptr, 1u);
+   }
+
+   template<class OtherNodeHandle>
+   void move_construct_end(OtherNodeHandle &nh)
+   {
+      if(m_ptr){
+         ::new (m_nalloc_storage.address(), boost_container_new_t()) allocator_type(::boost::move(nh.node_alloc()));
+         nh.destroy_alloc();
+         nh.get_node_pointer() = node_pointer();
+      }
+      BOOST_ASSERT(nh.empty());
+   }
+
+   public:
+
+   void destroy_alloc()
+   {  static_cast<allocator_type*>(m_nalloc_storage.address())->~allocator_type();  }
+
+   node_pointer &get_node_pointer()
+   {  return m_ptr;  }
+
+   nallocator_type &node_alloc()
+   {  return *static_cast<nallocator_type*>(m_nalloc_storage.address()); }
+
+   node_pointer release()
+   {
+      node_pointer p(m_ptr);
+      m_ptr = node_pointer();
+      if(p)
+         this->destroy_alloc();
+      return p;
+   }
+
+   ///@endcond
+
+   public:
+   //! <b>Effects</b>: Initializes m_ptr to nullptr.
+   //!
+   //! <b>Postcondition</b>: this->empty()
+   BOOST_CXX14_CONSTEXPR node_handle() BOOST_NOEXCEPT
+      :  m_ptr(), m_nalloc_storage()
+   {  BOOST_ASSERT(this->empty()); }
+
+   //! <b>Effects</b>: Constructs a node_handle object initializing internal pointer with p.
+   //!   If p != nullptr copy constructs internal allocator al.
+   node_handle(node_pointer p, const nallocator_type &al) BOOST_NOEXCEPT
+      :  m_ptr(p), m_nalloc_storage()
+   {
+      if(m_ptr){
+         ::new (m_nalloc_storage.address(), boost_container_new_t()) nallocator_type(al);
+      }
+   }
+
+   //! <b>Effects</b>: Constructs a node_handle object initializing internal pointer with a related nh's internal pointer
+   //!   and assigns nullptr to the later. If nh's internal pointer was not nullptr, move constructs internal
+   //!   allocator with nh's internal allocator and destroy nh's internal allocator.
+   //!
+   //! <b>Postcondition</b>: nh.empty()
+   //!
+   //! <b>Note</b>: Two node_handle's are related if only one of KeyMapped template parameter
+   //!   of a node handle is void.
+   template<class KeyMapped2>
+   node_handle( BOOST_RV_REF_BEG node_handle<NodeType, Value, Allocator, KeyMapped2> BOOST_RV_REF_END nh
+               , typename container_detail::enable_if_c
+                  < ((unsigned)container_detail::is_same<KeyMapped,  void>::value +
+                     (unsigned)container_detail::is_same<KeyMapped2, void>::value) == 1u
+                  >::type* = 0)
+      :  m_ptr(nh.get_node_pointer()), m_nalloc_storage()
+   {  this->move_construct_end(nh);  }
+
+   //! <b>Effects</b>: Constructs a node_handle object initializing internal pointer with nh's internal pointer
+   //!   and assigns nullptr to the later. If nh's internal pointer was not nullptr, move constructs internal
+   //!   allocator with nh's internal allocator and destroy nh's internal allocator.
+   //!
+   //! <b>Postcondition</b>: nh.empty()
+   node_handle (BOOST_RV_REF(node_handle) nh) BOOST_NOEXCEPT
+      : m_ptr(nh.m_ptr), m_nalloc_storage()
+   {  this->move_construct_end(nh);  }
+
+   //! <b>Effects</b>: If !this->empty(), destroys the value_type subobject in the container_node_type object
+   //!   pointed to by c by calling allocator_traits<impl_defined>::destroy, then deallocates m_ptr by calling
+   //!   ator_traits::rebind_traits<container_node_type>::deallocate.
+   ~node_handle () BOOST_NOEXCEPT
+   {
+      if(!this->empty()){
+         this->destroy_node();
+         this->destroy_alloc();
+      }
+   }
+
+   //! <b>Requires</b>: Either this->empty(), or ator_traits::propagate_on_container_move_assignment is true, or
+   //!   node_alloc() == nh.node_alloc().
+   //!
+   //! <b>Effects</b>: If m_ptr != nullptr, destroys the value_type subobject in the container_node_type object
+   //!   pointed to by m_ptr by calling ator_traits::destroy, then deallocates m_ptr by calling ator_-
+   //!   traits::rebind_traits<container_node_type>::deallocate. Assigns nh.m_ptr to m_ptr. If this->empty()
+   //!   or ator_traits::propagate_on_container_move_assignment is true, move assigns nh.node_alloc() to
+   //!   node_alloc(). Assigns nullptr to nh.m_ptr and assigns nullopt to nh.node_alloc().
+   //! <b>Returns</b>: *this.
+   //!
+   //! <b>Throws</b>: Nothing.
+   node_handle & operator=(BOOST_RV_REF(node_handle) nh)
+   {
+      BOOST_ASSERT(this->empty() || nh.empty() || ator_traits::propagate_on_container_move_assignment::value 
+                   || ator_traits::equal(node_alloc(), nh.node_alloc()));
+
+      bool const was_this_non_null = !this->empty();
+      bool const was_nh_non_null   = !nh.empty();
+
+      if(was_nh_non_null){
+         if(was_this_non_null){
+            this->destroy_node();
+            if(ator_traits::propagate_on_container_move_assignment::value){
+               this->node_alloc() = ::boost::move(nh.node_alloc());
+            }
+         }
+         else{
+            this->move_construct_alloc(nh.node_alloc());
+         }
+         m_ptr = nh.m_ptr;
+         nh.m_ptr = node_pointer();
+         nh.destroy_alloc();
+      }
+      else if(was_this_non_null){
+         this->destroy_node();
+         this->destroy_alloc();
+         m_ptr = node_pointer();
+      }
+      return *this;
+   }
+
+   //! <b>Requires</b>: empty() == false.
+   //!
+   //! <b>Returns</b>: A reference to the value_type subobject in the container_node_type object pointed to by m_ptr
+   //!
+   //! <b>Throws</b>: Nothing.
+   value_type& value() const BOOST_NOEXCEPT
+   {
+      BOOST_STATIC_ASSERT((container_detail::is_same<KeyMapped, void>::value));
+      BOOST_ASSERT(!empty());
+      return m_ptr->get_data();
+   }
+
+   //! <b>Requires</b>: empty() == false.
+   //!
+   //! <b>Returns</b>: A non-const reference to the key_type member of the value_type subobject in the 
+   //!   container_node_type object pointed to by m_ptr.
+   //!
+   //! <b>Throws</b>: Nothing.
+   //!
+   //! <b>Requires</b>: Modifying the key through the returned reference is permitted.
+   key_type& key() const BOOST_NOEXCEPT
+   {
+      BOOST_STATIC_ASSERT((!container_detail::is_same<KeyMapped, void>::value));
+      BOOST_ASSERT(!empty());
+      return const_cast<key_type &>(KeyMapped().key_of_value(m_ptr->get_data()));
+   }
+
+   //! <b>Requires</b>: empty() == false.
+   //!
+   //! <b>Returns</b>: A reference to the mapped_type member of the value_type subobject
+   //!   in the container_node_type object pointed to by m_ptr
+   //!
+   //! <b>Throws</b>: Nothing.
+   mapped_type& mapped() const BOOST_NOEXCEPT
+   {
+      BOOST_STATIC_ASSERT((!container_detail::is_same<KeyMapped, void>::value));
+      BOOST_ASSERT(!empty());
+      return KeyMapped().mapped_of_value(m_ptr->get_data());
+   }
+
+   //! <b>Requires</b>: empty() == false.
+   //!
+   //! <b>Returns</b>: A copy of the internally hold allocator.
+   //!
+   //! <b>Throws</b>: Nothing.
+   allocator_type get_allocator() const
+   {
+      BOOST_ASSERT(!empty());
+      return this->node_alloc();
+   }
+
+   //! <b>Returns</b>: m_ptr != nullptr.
+   //!
+   #ifdef BOOST_CONTAINER_DOXYGEN_INVOKED
+   BOOST_CONTAINER_FORCEINLINE explicit operator bool
+   #else
+   private: struct bool_conversion {int for_bool; int for_arg(); }; typedef int bool_conversion::* explicit_bool_arg;
+   public: BOOST_CONTAINER_FORCEINLINE operator explicit_bool_arg
+   #endif
+      ()const BOOST_NOEXCEPT
+   {  return m_ptr ? &bool_conversion::for_bool  : explicit_bool_arg(0);  }
+
+   //! <b>Returns</b>: m_ptr == nullptr.
+   //!
+   bool empty() const BOOST_NOEXCEPT
+   {
+      return !this->m_ptr;
+   }
+
+   //! <b>Requires</b>: this->empty(), or nh.empty(), or ator_traits::propagate_on_container_swap is true, or
+   //!   node_alloc() == nh.node_alloc().
+   //!
+   //! <b>Effects</b>: Calls swap(m_ptr, nh.m_ptr). If this->empty(), or nh.empty(), or ator_traits::propagate_on_-
+   //!   container_swap is true calls swap(node_alloc(), nh.node_alloc()).
+   void swap(node_handle &nh)
+      BOOST_NOEXCEPT_IF(ator_traits::propagate_on_container_swap::value || ator_traits::is_always_equal::value)
+   {
+      BOOST_ASSERT(this->empty() || nh.empty() || ator_traits::propagate_on_container_swap::value
+                   || ator_traits::equal(node_alloc(), nh.node_alloc()));
+
+      bool const was_this_non_null = !this->empty();
+      bool const was_nh_non_null   = !nh.empty();
+
+      if(was_nh_non_null){
+         if(was_this_non_null){
+            if(ator_traits::propagate_on_container_swap){
+               ::boost::adl_move_swap(this->node_alloc(), nh.node_alloc());
+            }
+         }
+         else{
+            this->move_construct_alloc(nh.node_alloc());
+            nh.destroy_alloc();
+         }
+      }
+      else if(was_this_non_null){
+         nh.move_construct_alloc(this->node_alloc());
+         nh.destroy_alloc();
+      }
+      ::boost::adl_move_swap(m_ptr, nh.m_ptr);
+   }
+
+   //! <b>Effects</b>: x.swap(y).
+   //!
+   friend void swap(node_handle & x, node_handle & y) BOOST_NOEXCEPT_IF(BOOST_NOEXCEPT(x.swap(y)))
+   {  x.swap(y);  }
+};
+
+//! A class template used to describe the results of inserting a
+//! Container::node_type in a Container with unique keys.
+//! Includes at least the following non-static public data members:
+//!
+//! <ul><li>bool inserted</li>;
+//! <li>Iterator position</li>;
+//! <li>NodeType node</li></ul>
+//!
+//! This type is MoveConstructible, MoveAssignable, DefaultConstructible,
+//! Destructible, and lvalues of that type are swappable
+template<class Iterator, class NodeType>
+struct insert_return_type_base
+{
+   private:
+   BOOST_MOVABLE_BUT_NOT_COPYABLE(insert_return_type_base)
+
+   public:
+   insert_return_type_base()
+      : inserted(false), position(), node()
+   {}
+
+   insert_return_type_base(BOOST_RV_REF(insert_return_type_base) other)
+      : inserted(other.inserted), position(other.position), node(boost::move(other.node))
+   {}
+
+   template<class RelatedIt, class RelatedNode>
+   insert_return_type_base(bool insert, RelatedIt it, BOOST_RV_REF(RelatedNode) node)
+      : inserted(insert), position(it), node(boost::move(node))
+   {}
+
+   insert_return_type_base & operator=(BOOST_RV_REF(insert_return_type_base) other)
+   {
+      inserted = other.inserted;
+      position = other.position;
+      node = boost::move(other.node);
+      return *this;
+   }
+
+   bool  inserted;
+   Iterator position;
+   NodeType node;
+};
+
+}  //namespace container {
+}  //namespace boost {
+
+#include <boost/container/detail/config_end.hpp>
+
+#endif   //BOOST_CONTAINER_NODE_HANDLE_HPP