diff --git a/ndnboost/test/utils/iterator/input_iterator_facade.hpp b/ndnboost/test/utils/iterator/input_iterator_facade.hpp
new file mode 100644
index 0000000..92968ac
--- /dev/null
+++ b/ndnboost/test/utils/iterator/input_iterator_facade.hpp
@@ -0,0 +1,109 @@
+//  (C) Copyright Gennadiy Rozental 2004-2008.
+//  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/test for the library home page.
+//
+//  File        : $RCSfile$
+//
+//  Version     : $Revision: 49312 $
+//
+//  Description : Input iterator facade 
+// ***************************************************************************
+
+#ifndef BOOST_INPUT_ITERATOR_FACADE_HPP_071894GER
+#define BOOST_INPUT_ITERATOR_FACADE_HPP_071894GER
+
+// Boost
+#include <ndnboost/iterator/iterator_facade.hpp>
+
+#include <ndnboost/test/detail/suppress_warnings.hpp>
+
+//____________________________________________________________________________//
+
+namespace ndnboost {
+
+namespace unit_test {
+
+// ************************************************************************** //
+// **************          input_iterator_core_access          ************** //
+// ************************************************************************** //
+
+class input_iterator_core_access
+{
+#if defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS) || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
+public:
+#else
+    template <class I, class V, class R, class TC> friend class input_iterator_facade;
+#endif
+
+    template <class Facade>
+    static bool get( Facade& f )
+    {
+        return f.get();
+    }
+
+private:
+    // objects of this class are useless
+    input_iterator_core_access(); //undefined
+};
+
+// ************************************************************************** //
+// **************            input_iterator_facade             ************** //
+// ************************************************************************** //
+
+template<typename Derived,
+         typename ValueType,
+         typename Reference = ValueType const&,
+         typename Traversal = single_pass_traversal_tag>
+class input_iterator_facade : public iterator_facade<Derived,ValueType,Traversal,Reference>
+{
+public:
+    // Constructor
+    input_iterator_facade() : m_valid( false ), m_value() {}
+
+protected: // provide access to the Derived
+    void                init()
+    {
+        m_valid = true;
+        increment();
+    }
+
+    // Data members
+    mutable bool        m_valid;
+    ValueType           m_value;
+
+private:
+    friend class ndnboost::iterator_core_access;
+
+    // iterator facade interface implementation
+    void                increment()
+    {
+        // we make post-end incrementation indefinetly safe 
+        if( m_valid )
+            m_valid = input_iterator_core_access::get( *static_cast<Derived*>(this) );
+    }
+    Reference           dereference() const
+    {
+        return m_value;
+    }
+
+    // iterator facade interface implementation
+    bool                equal( input_iterator_facade const& rhs ) const
+    {
+        // two invalid iterator equals, inequal otherwise
+        return !m_valid && !rhs.m_valid;
+    }
+};
+
+} // namespace unit_test
+
+} // namespace ndnboost
+
+//____________________________________________________________________________//
+
+#include <ndnboost/test/detail/enable_warnings.hpp>
+
+#endif // BOOST_INPUT_ITERATOR_FACADE_HPP_071894GER
+
diff --git a/ndnboost/test/utils/iterator/token_iterator.hpp b/ndnboost/test/utils/iterator/token_iterator.hpp
new file mode 100644
index 0000000..c1b2dbc
--- /dev/null
+++ b/ndnboost/test/utils/iterator/token_iterator.hpp
@@ -0,0 +1,418 @@
+//  (C) Copyright Gennadiy Rozental 2004-2008.
+//  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/test for the library home page.
+//
+//  File        : $RCSfile$
+//
+//  Version     : $Revision: 54633 $
+//
+//  Description : token iterator for string and range tokenization
+// ***************************************************************************
+
+#ifndef BOOST_TOKEN_ITERATOR_HPP_071894GER
+#define BOOST_TOKEN_ITERATOR_HPP_071894GER
+
+// Boost
+#include <ndnboost/config.hpp>
+#include <ndnboost/detail/workaround.hpp>
+
+#include <ndnboost/iterator/iterator_categories.hpp>
+#include <ndnboost/iterator/iterator_traits.hpp>
+
+#include <ndnboost/test/utils/iterator/input_iterator_facade.hpp>
+#include <ndnboost/test/utils/basic_cstring/basic_cstring.hpp>
+#include <ndnboost/test/utils/named_params.hpp>
+#include <ndnboost/test/utils/foreach.hpp>
+
+// STL
+#include <iosfwd>
+#include <cctype>
+
+#include <ndnboost/test/detail/suppress_warnings.hpp>
+
+//____________________________________________________________________________//
+
+#ifdef BOOST_NO_STDC_NAMESPACE
+namespace std{ using ::ispunct; using ::isspace; }
+#endif
+
+namespace ndnboost {
+
+namespace unit_test {
+
+// ************************************************************************** //
+// **************               ti_delimeter_type              ************** //
+// ************************************************************************** //
+
+enum ti_delimeter_type { 
+    dt_char,        // character is delimeter if it among explicit list of some characters
+    dt_ispunct,     // character is delimeter if it satisfies ispunct functor
+    dt_isspace,     // character is delimeter if it satisfies isspace functor
+    dt_none         // no character is delimeter
+};
+
+namespace ut_detail {
+
+// ************************************************************************** //
+// **************             default_char_compare             ************** //
+// ************************************************************************** //
+
+template<typename CharT>
+class default_char_compare {
+public:
+    bool operator()( CharT c1, CharT c2 )
+    {
+#ifdef BOOST_CLASSIC_IOSTREAMS
+        return std::string_char_traits<CharT>::eq( c1, c2 );
+#else
+        return std::char_traits<CharT>::eq( c1, c2 );
+#endif
+    }
+};
+
+// ************************************************************************** //
+// **************                 delim_policy                 ************** //
+// ************************************************************************** //
+
+template<typename CharT,typename CharCompare>
+class delim_policy {
+    typedef basic_cstring<CharT const> cstring;
+public:
+    // Constructor
+    explicit    delim_policy( ti_delimeter_type t = dt_char, cstring d = cstring() )
+    : m_type( t )
+    {
+        set_delimeters( d );
+    }
+
+    void        set_delimeters( ti_delimeter_type t ) { m_type = t; }
+    template<typename Src>
+    void        set_delimeters( Src d )
+    {
+        nfp::optionally_assign( m_delimeters, d );
+        
+        if( !m_delimeters.is_empty() )
+            m_type = dt_char;
+    }
+
+    bool        operator()( CharT c )
+    {
+        switch( m_type ) {
+        case dt_char: {
+            BOOST_TEST_FOREACH( CharT, delim, m_delimeters )
+                if( CharCompare()( delim, c ) )
+                    return true;
+
+            return false;
+        }
+        case dt_ispunct:
+            return (std::ispunct)( c ) != 0;
+        case dt_isspace:
+            return (std::isspace)( c ) != 0;
+        case dt_none:
+            return false;
+        }
+
+        return false;
+    }
+
+private:
+    // Data members
+    cstring             m_delimeters;
+    ti_delimeter_type   m_type;
+};
+
+// ************************************************************************** //
+// **************                 token_assigner               ************** //
+// ************************************************************************** //
+
+template<typename TraversalTag>
+struct token_assigner {
+#if BOOST_WORKAROUND( BOOST_DINKUMWARE_STDLIB, < 306 )
+    template<typename Iterator, typename C, typename T>
+    static void assign( Iterator b, Iterator e, std::basic_string<C,T>& t )
+    { for( ; b != e; ++b ) t += *b; }
+    
+    template<typename Iterator, typename C>
+    static void assign( Iterator b, Iterator e, basic_cstring<C>& t )  { t.assign( b, e ); }
+#else
+    template<typename Iterator, typename Token>
+    static void assign( Iterator b, Iterator e, Token& t )  { t.assign( b, e ); }
+#endif
+    template<typename Iterator, typename Token>
+    static void append_move( Iterator& b, Token& )          { ++b; }
+};
+
+//____________________________________________________________________________//
+
+template<>
+struct token_assigner<single_pass_traversal_tag> {
+    template<typename Iterator, typename Token>
+    static void assign( Iterator b, Iterator e, Token& t )  {}
+
+    template<typename Iterator, typename Token>
+    static void append_move( Iterator& b, Token& t )        { t += *b; ++b; }
+};
+
+} // namespace ut_detail
+
+// ************************************************************************** //
+// **************                  modifiers                   ************** //
+// ************************************************************************** //
+
+namespace {
+nfp::keyword<struct dropped_delimeters_t >           dropped_delimeters;
+nfp::keyword<struct kept_delimeters_t >              kept_delimeters;
+nfp::typed_keyword<bool,struct keep_empty_tokens_t > keep_empty_tokens;
+nfp::typed_keyword<std::size_t,struct max_tokens_t > max_tokens;
+}
+
+// ************************************************************************** //
+// **************             token_iterator_base              ************** //
+// ************************************************************************** //
+
+template<typename Derived,
+         typename CharT,
+         typename CharCompare   = ut_detail::default_char_compare<CharT>,
+         typename ValueType     = basic_cstring<CharT const>,
+         typename Reference     = basic_cstring<CharT const>,
+         typename Traversal     = forward_traversal_tag>
+class token_iterator_base
+: public input_iterator_facade<Derived,ValueType,Reference,Traversal> {
+    typedef basic_cstring<CharT const>                                      cstring;
+    typedef ut_detail::delim_policy<CharT,CharCompare>                      delim_policy;
+    typedef input_iterator_facade<Derived,ValueType,Reference,Traversal>    base;
+
+protected:
+    // Constructor
+    explicit    token_iterator_base()
+    : m_is_dropped( dt_isspace )
+    , m_is_kept( dt_ispunct )
+    , m_keep_empty_tokens( false )
+    , m_tokens_left( static_cast<std::size_t>(-1) )
+    , m_token_produced( false )
+    {
+    }
+
+    template<typename Modifier>
+    void
+    apply_modifier( Modifier const& m )
+    {
+        if( m.has( dropped_delimeters ) )
+            m_is_dropped.set_delimeters( m[dropped_delimeters] );
+
+        if( m.has( kept_delimeters ) )
+            m_is_kept.set_delimeters( m[kept_delimeters] );
+
+        if( m.has( keep_empty_tokens ) )
+            m_keep_empty_tokens = true;
+
+        nfp::optionally_assign( m_tokens_left, m, max_tokens );
+    }
+
+    template<typename Iter> 
+    bool                    get( Iter& begin, Iter end )
+    {
+        typedef ut_detail::token_assigner<BOOST_DEDUCED_TYPENAME iterator_traversal<Iter>::type> Assigner;
+        Iter check_point;
+
+        this->m_value.clear();
+
+        if( !m_keep_empty_tokens ) {
+            while( begin != end && m_is_dropped( *begin ) )
+                ++begin;
+
+            if( begin == end )
+                return false;
+
+            check_point = begin;
+
+            if( m_tokens_left == 1 )
+                while( begin != end )
+                    Assigner::append_move( begin, this->m_value );
+            else if( m_is_kept( *begin ) )
+                Assigner::append_move( begin, this->m_value );
+            else
+                while( begin != end && !m_is_dropped( *begin ) && !m_is_kept( *begin ) )
+                    Assigner::append_move( begin, this->m_value );
+
+            --m_tokens_left;
+        } 
+        else { // m_keep_empty_tokens is true
+            check_point = begin;
+
+            if( begin == end ) {
+                if( m_token_produced ) 
+                    return false;
+
+                m_token_produced = true;
+            }
+            if( m_is_kept( *begin ) ) {
+                if( m_token_produced ) 
+                    Assigner::append_move( begin, this->m_value );
+
+                m_token_produced = !m_token_produced;
+            } 
+            else if( !m_token_produced && m_is_dropped( *begin ) )
+                m_token_produced = true;
+            else {
+                if( m_is_dropped( *begin ) )
+                    check_point = ++begin;
+
+                while( begin != end && !m_is_dropped( *begin ) && !m_is_kept( *begin ) )
+                    Assigner::append_move( begin, this->m_value );
+
+                m_token_produced = true;
+            }
+        }
+
+        Assigner::assign( check_point, begin, this->m_value );
+
+        return true;
+    }
+
+private:
+    // Data members
+    delim_policy            m_is_dropped;
+    delim_policy            m_is_kept;
+    bool                    m_keep_empty_tokens;
+    std::size_t             m_tokens_left;
+    bool                    m_token_produced;
+};
+
+// ************************************************************************** //
+// **************          basic_string_token_iterator         ************** //
+// ************************************************************************** //
+
+template<typename CharT,
+         typename CharCompare = ut_detail::default_char_compare<CharT> >
+class basic_string_token_iterator
+: public token_iterator_base<basic_string_token_iterator<CharT,CharCompare>,CharT,CharCompare> {
+    typedef basic_cstring<CharT const> cstring;
+    typedef token_iterator_base<basic_string_token_iterator<CharT,CharCompare>,CharT,CharCompare> base;
+public:
+    explicit    basic_string_token_iterator() {}
+    explicit    basic_string_token_iterator( cstring src )
+    : m_src( src )
+    {
+        this->init();
+    }
+
+    template<typename Src, typename Modifier>
+    basic_string_token_iterator( Src src, Modifier const& m )
+    : m_src( src )
+    {
+        this->apply_modifier( m );
+
+        this->init();
+    }
+
+private:
+    friend class input_iterator_core_access;
+
+    // input iterator implementation
+    bool        get()
+    {
+        typename cstring::iterator begin = m_src.begin();
+        bool res = base::get( begin, m_src.end() );
+
+        m_src.assign( begin, m_src.end() );
+
+        return res;
+    }
+
+    // Data members
+    cstring     m_src;
+};
+
+typedef basic_string_token_iterator<char>       string_token_iterator;
+typedef basic_string_token_iterator<wchar_t>    wstring_token_iterator;
+
+// ************************************************************************** //
+// **************              range_token_iterator            ************** //
+// ************************************************************************** //
+
+template<typename Iter,
+         typename CharCompare = ut_detail::default_char_compare<BOOST_DEDUCED_TYPENAME iterator_value<Iter>::type>,
+         typename ValueType   = std::basic_string<BOOST_DEDUCED_TYPENAME iterator_value<Iter>::type>,
+         typename Reference   = ValueType const&>
+class range_token_iterator
+: public token_iterator_base<range_token_iterator<Iter,CharCompare,ValueType,Reference>,
+                             typename iterator_value<Iter>::type,CharCompare,ValueType,Reference> {
+    typedef basic_cstring<typename ValueType::value_type> cstring;
+    typedef token_iterator_base<range_token_iterator<Iter,CharCompare,ValueType,Reference>,
+                                typename iterator_value<Iter>::type,CharCompare,ValueType,Reference> base;
+public:
+    explicit    range_token_iterator() {}
+    explicit    range_token_iterator( Iter begin, Iter end = Iter() )
+    : m_begin( begin ), m_end( end )
+    {
+        this->init();
+    }
+    range_token_iterator( range_token_iterator const& rhs )
+    : base( rhs )
+    {
+        if( this->m_valid ) {
+            m_begin = rhs.m_begin;
+            m_end   = rhs.m_end;
+        }
+    }
+
+    template<typename Modifier>
+    range_token_iterator( Iter begin, Iter end, Modifier const& m )
+    : m_begin( begin ), m_end( end )
+    {
+        this->apply_modifier( m );
+
+        this->init();
+    }
+
+private:
+    friend class input_iterator_core_access;
+
+    // input iterator implementation
+    bool        get()
+    {
+        return base::get( m_begin, m_end );
+    }
+
+    // Data members
+    Iter m_begin;
+    Iter m_end;
+};
+
+// ************************************************************************** //
+// **************            make_range_token_iterator         ************** //
+// ************************************************************************** //
+
+template<typename Iter>
+inline range_token_iterator<Iter>
+make_range_token_iterator( Iter begin, Iter end = Iter() )
+{
+    return range_token_iterator<Iter>( begin, end );
+}
+
+//____________________________________________________________________________//
+
+template<typename Iter,typename Modifier>
+inline range_token_iterator<Iter>
+make_range_token_iterator( Iter begin, Iter end, Modifier const& m )
+{
+    return range_token_iterator<Iter>( begin, end, m );
+}
+
+//____________________________________________________________________________//
+
+} // namespace unit_test
+
+} // namespace ndnboost
+
+//____________________________________________________________________________//
+
+#include <ndnboost/test/detail/enable_warnings.hpp>
+
+#endif // BOOST_TOKEN_ITERATOR_HPP_071894GER
+