diff --git a/ndnboost/exception/detail/error_info_impl.hpp b/ndnboost/exception/detail/error_info_impl.hpp
new file mode 100644
index 0000000..9847814
--- /dev/null
+++ b/ndnboost/exception/detail/error_info_impl.hpp
@@ -0,0 +1,74 @@
+//Copyright (c) 2006-2010 Emil Dotchevski and Reverge Studios, Inc.
+
+//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)
+
+#ifndef UUID_CE6983AC753411DDA764247956D89593
+#define UUID_CE6983AC753411DDA764247956D89593
+#if (__GNUC__*100+__GNUC_MINOR__>301) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma GCC system_header
+#endif
+#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma warning(push,1)
+#endif
+
+#include <string>
+
+namespace
+ndnboost
+    {
+    namespace
+    exception_detail
+        {
+        class
+        error_info_base
+            {
+            public:
+
+            virtual std::string name_value_string() const = 0;
+
+            protected:
+
+            virtual
+            ~error_info_base() throw()
+                {
+                }
+            };
+        }
+
+    template <class Tag,class T>
+    class
+    error_info:
+        public exception_detail::error_info_base
+        {
+        public:
+
+        typedef T value_type;
+
+        error_info( value_type const & value );
+        ~error_info() throw();
+
+        value_type const &
+        value() const
+            {
+            return value_;
+            }
+
+        value_type &
+        value()
+            {
+            return value_;
+            }
+
+        private:
+
+        std::string name_value_string() const;
+
+        value_type value_;
+        };
+    }
+
+#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma warning(pop)
+#endif
+#endif
diff --git a/ndnboost/exception/detail/type_info.hpp b/ndnboost/exception/detail/type_info.hpp
new file mode 100644
index 0000000..d1c671f
--- /dev/null
+++ b/ndnboost/exception/detail/type_info.hpp
@@ -0,0 +1,83 @@
+//Copyright (c) 2006-2010 Emil Dotchevski and Reverge Studios, Inc.
+
+//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)
+
+#ifndef UUID_C3E1741C754311DDB2834CCA55D89593
+#define UUID_C3E1741C754311DDB2834CCA55D89593
+#if (__GNUC__*100+__GNUC_MINOR__>301) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma GCC system_header
+#endif
+#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma warning(push,1)
+#endif
+
+#include <ndnboost/detail/sp_typeinfo.hpp>
+#include <ndnboost/current_function.hpp>
+#include <ndnboost/config.hpp>
+#ifndef BOOST_NO_TYPEID
+#include <ndnboost/units/detail/utility.hpp>
+#endif
+#include <string>
+
+namespace
+ndnboost
+    {
+    template <class T>
+    inline
+    std::string
+    tag_type_name()
+        {
+#ifdef BOOST_NO_TYPEID
+        return BOOST_CURRENT_FUNCTION;
+#else
+        return units::detail::demangle(typeid(T*).name());
+#endif
+        }
+
+    template <class T>
+    inline
+    std::string
+    type_name()
+        {
+#ifdef BOOST_NO_TYPEID
+        return BOOST_CURRENT_FUNCTION;
+#else
+        return units::detail::demangle(typeid(T).name());
+#endif
+        }
+
+    namespace
+    exception_detail
+        {
+        struct
+        type_info_
+            {
+            detail::sp_typeinfo const * type_;
+
+            explicit
+            type_info_( detail::sp_typeinfo const & type ):
+                type_(&type)
+                {
+                }
+
+            friend
+            bool
+            operator<( type_info_ const & a, type_info_ const & b )
+                {
+                return 0!=(a.type_->before(*b.type_));
+                }
+            };
+        }
+    }
+
+#define BOOST_EXCEPTION_STATIC_TYPEID(T) ::ndnboost::exception_detail::type_info_(BOOST_SP_TYPEID(T))
+
+#ifndef BOOST_NO_RTTI
+#define BOOST_EXCEPTION_DYNAMIC_TYPEID(x) ::ndnboost::exception_detail::type_info_(typeid(x))
+#endif
+
+#if defined(_MSC_VER) && !defined(BOOST_EXCEPTION_ENABLE_WARNINGS)
+#pragma warning(pop)
+#endif
+#endif