diff --git a/src/parallel/gitter_pll_impl.cc b/src/parallel/gitter_pll_impl.cc
index 8e0f3129b53273a3e1993d654cbfd51f6c35cadb..04e96223b4f117ac37ba849345d38d3acdc8f532 100644
--- a/src/parallel/gitter_pll_impl.cc
+++ b/src/parallel/gitter_pll_impl.cc
@@ -754,11 +754,9 @@ void TetraPllXBaseMacro< A > :: attachElement2 (const int destination, const int
   {
     if( face == f ) continue ;
 
-    myneighbour_t nb = myneighbour( f );
-    if( nb.first->isperiodic() )
-    {
-      nb.first->attachPeriodic( destination );
-    }
+    // attach also periodic neighbours
+    // this method only affects periodic neighbours 
+    myneighbour( f ).first->attachPeriodic( destination );
   }
 }
 
@@ -974,7 +972,7 @@ template < class A >
 Periodic3PllXBaseMacro< A > :: 
 Periodic3PllXBaseMacro ( int level, myhface3_t* f0,int s0, myhface3_t *f1,int s1 )
 : A(level, f0, s0, f1, s1 )
-, _moveTo ()
+, _moveTo ( -1 )
 , _ldbVertexIndex ( -1 )
 , _erasable (false) 
 {
@@ -1057,12 +1055,13 @@ void Periodic3PllXBaseMacro< A > :: attach2 (int i)
     // store new destination 
     _moveTo = i; 
 
-    // attach other elements 
-    myperiodic ().myhface3 (0)->attach2 (i) ;
-    myperiodic ().myhface3 (1)->attach2 (i) ;
+    // attach both neighbours to the same process 
+    for(int n=0; n<2; ++n ) 
+    {
+      typename A :: myneighbour_t nb = this->myneighbour( n );
+      nb.first->attachElement2( i, nb.second );
+    }
   }
-
-  return ;
 }
 
 template < class A >
@@ -1102,6 +1101,8 @@ void Periodic3PllXBaseMacro< A > :: packAsBnd (int fce, int who, ObjectStream &
 {
   // we require that periodic element are never packed as boundary 
   // since they are on the same process as their faces 
+  if( _moveTo != who ) 
+    cout << "move to wrong " << _moveTo << " " << who << endl;
   assert( _moveTo == who );
 }
 
@@ -1161,7 +1162,7 @@ template < class A >
 Periodic4PllXBaseMacro< A > :: 
 Periodic4PllXBaseMacro ( int level, myhface4_t* f0,int s0, myhface4_t *f1,int s1) 
   : A(level, f0, s0, f1, s1 )
-  , _moveTo ()
+  , _moveTo ( -1 )
   , _ldbVertexIndex (-1)
   , _erasable (false) 
 {
@@ -1174,18 +1175,12 @@ Periodic4PllXBaseMacro ( int level, myhface4_t* f0,int s0, myhface4_t *f1,int s1
 }
 
 template < class A > 
-Periodic4PllXBaseMacro< A > :: ~Periodic4PllXBaseMacro () {
-  vector < int > v ;
+Periodic4PllXBaseMacro< A > :: ~Periodic4PllXBaseMacro () 
+{
+  if ( _moveTo >= 0 ) 
   {
-    v.reserve( _moveTo.size() ); 
-    typedef map < int, int, less < int > > :: const_iterator const_iterator;
-    const const_iterator iEnd =  _moveTo.end () ;
-    for (const_iterator i = _moveTo.begin () ; i != iEnd ; v.push_back ((*i++).first)) ;
+    unattach2( _moveTo );
   }
-  {
-    const vector < int > :: const_iterator iEnd = v.end () ;
-    for (vector < int > :: const_iterator i = v.begin () ; i != iEnd ; unattach2 (*i++)) ;}
-  return ;
 }
 
 template < class A > 
@@ -1218,12 +1213,12 @@ void Periodic4PllXBaseMacro< A > :: writeStaticState (ObjectStream & os, int) co
 }
 
 template < class A > 
-void Periodic4PllXBaseMacro< A > :: unattach2 (int i) {
-  assert (_moveTo.find (i) != _moveTo.end ()) ;
-  if ( -- _moveTo [i] == 0) _moveTo.erase (i) ;
+void Periodic4PllXBaseMacro< A > :: unattach2 (int i) 
+{
+  assert (i >= 0 );
   myperiodic ().myhface4 (0)->unattach2 (i) ;
   myperiodic ().myhface4 (1)->unattach2 (i) ;
-  return ;
+  _moveTo = -1;
 }
 
 // return the first element's ldbVertexIndex (used in Periodic3PllXBaseMacro)
@@ -1252,86 +1247,48 @@ void Periodic4PllXBaseMacro< A > :: attachPeriodic(const int destination)
 template < class A > 
 void Periodic4PllXBaseMacro< A > :: attach2 (int i) 
 {
-  map < int, int, less < int > > :: iterator pos = _moveTo.find (i) ;
-  if (pos == _moveTo.end ()) 
-  {
-    _moveTo.insert (pair < const int, int > (i,1)) ;
-  } 
-  else 
-  {
-    // should only be attached once 
-    if ((*pos).first == i) 
-    {
-      cerr << "  Periodic4PllXBaseMacro :: attach2 () WARNUNG versuchte mehrfache Zuweisung ignoriert " << endl ;
-      return ;
-    }
-  }
-
-  // attach both neighbours to the same process 
-  for(int n=0; n<2; ++n ) 
+  if( _moveTo == -1 ) 
   {
-    typename A :: myneighbour_t nb = this->myneighbour( n );
-    nb.first->attachElement2( i, nb.second );
-  }
+    // store my destination 
+    _moveTo = i ;
 
-  /*
-    hexa_IMPL* hexa = ((hexa_IMPL *) nb.first);
-    hexa->attach2( i );
-    for( int j=0; j<6; ++j ) 
+    // attach both neighbours to the same process 
+    for(int n=0; n<2; ++n ) 
     {
-      // skip the face connected to this periodic bnd 
-      if( j == nb.second ) continue ;
-
-      // check neighboring element 
-      myneighbour_t faceNb = hexa->myneighbour( j );
-      if( nb.first->isperiodic() )
-      {
-        
-      }
+      typename A :: myneighbour_t nb = this->myneighbour( n );
+      nb.first->attachElement2( i, nb.second );
     }
   }
-  */
-
-  //attachElementNeighbours();
-
-  //myperiodic ().myhface4 (0)->attach2 (i) ;
-  //myperiodic ().myhface4 (1)->attach2 (i) ;
-  return ;
 }
 
 template < class A > 
 bool Periodic4PllXBaseMacro< A > :: packAll (vector < ObjectStream > & osv) 
 {
-  typedef map < int, int, less < int > > :: const_iterator const_iterator;
-  const const_iterator iEnd =  _moveTo.end () ;
-  for (const_iterator i = _moveTo.begin () ; i != iEnd ; ++i) 
+  if( _moveTo >= 0 ) 
   {
-    int j = (*i).first ;
-    assert ((osv.begin () + j) < osv.end ()) ;
-    assert (_moveTo.size () == 1) ;
-    {
-      ObjectStream& os = osv[j];
-      
-      os.writeObject (PERIODIC4) ;
-      os.writeObject (myperiodic ().myvertex (0)->ident ()) ;
-      os.writeObject (myperiodic ().myvertex (1)->ident ()) ;
-      os.writeObject (myperiodic ().myvertex (2)->ident ()) ;
-      os.writeObject (myperiodic ().myvertex (3)->ident ()) ;
-      os.writeObject (myperiodic ().myvertex (4)->ident ()) ;
-      os.writeObject (myperiodic ().myvertex (5)->ident ()) ;
-      os.writeObject (myperiodic ().myvertex (6)->ident ()) ;
-      os.writeObject (myperiodic ().myvertex (7)->ident ()) ;
+    assert ((osv.begin () + _moveTo) < osv.end ()) ;
+    ObjectStream& os = osv[ _moveTo ];
+    
+    os.writeObject (PERIODIC4) ;
+    os.writeObject (myperiodic ().myvertex (0)->ident ()) ;
+    os.writeObject (myperiodic ().myvertex (1)->ident ()) ;
+    os.writeObject (myperiodic ().myvertex (2)->ident ()) ;
+    os.writeObject (myperiodic ().myvertex (3)->ident ()) ;
+    os.writeObject (myperiodic ().myvertex (4)->ident ()) ;
+    os.writeObject (myperiodic ().myvertex (5)->ident ()) ;
+    os.writeObject (myperiodic ().myvertex (6)->ident ()) ;
+    os.writeObject (myperiodic ().myvertex (7)->ident ()) ;
+
+    // make sure ENDOFSTREAM is not a valid refinement rule 
+    assert( ! myperiodic_t :: myrule_t :: isValid (ObjectStream :: ENDOFSTREAM) ) ;
+    
+    // pack refinement information 
+    myperiodic ().backup ( os ) ;
+    os.put( ObjectStream :: ENDOFSTREAM );
+    
+    // pack internal data if has any 
+    inlineData ( os ) ;
 
-      // make sure ENDOFSTREAM is not a valid refinement rule 
-      assert( ! myperiodic_t :: myrule_t :: isValid (ObjectStream :: ENDOFSTREAM) ) ;
-      
-      // pack refinement information 
-      myperiodic ().backup ( os ) ;
-      os.put( ObjectStream :: ENDOFSTREAM );
-      
-      // pack internal data if has any 
-      inlineData ( os ) ;
-    }
     _erasable = true ;
     return true ;
   }
@@ -1497,11 +1454,9 @@ void HexaPllBaseXMacro< A > :: attachElement2 (const int destination, const int
   {
     if( face == f ) continue ;
 
-    myneighbour_t nb = myneighbour( f );
-    if( nb.first->isperiodic() )
-    {
-      nb.first->attachPeriodic( destination );
-    }
+    // attach also periodic neighbours
+    // this method only affects periodic neighbours 
+    myneighbour( f ).first->attachPeriodic( destination );
   }
 }
 
diff --git a/src/parallel/gitter_pll_impl.h b/src/parallel/gitter_pll_impl.h
index 0f1c0bfb46a3bcf34c26d30dc0d81d0176f172be..656745078dceb86b35ace6eedec15dc9b93e592a 100644
--- a/src/parallel/gitter_pll_impl.h
+++ b/src/parallel/gitter_pll_impl.h
@@ -324,7 +324,6 @@ class Periodic3PllXBaseMacro : public A
 #ifdef GRAPHVERTEX_WITH_CENTER
     alucoord_t _center [3] ;
 #endif
-    //map < int, int, less < int > > _moveTo ;
     int _moveTo ;
     int _ldbVertexIndex ;
     bool _erasable ;
@@ -409,7 +408,7 @@ class Periodic4PllXBaseMacro : public A
 #ifdef GRAPHVERTEX_WITH_CENTER
     alucoord_t _center [3] ;
 #endif
-    map < int, int, less < int > > _moveTo ;
+    int _moveTo ;
     int _ldbVertexIndex ;
     bool _erasable ;
 } ;
diff --git a/src/parallel/gitter_pll_mgb.cc b/src/parallel/gitter_pll_mgb.cc
index f8ae059ec9947c22c84dea65dd7f546fab484fe6..249ab2550b8ec7b9d6099dd6e5a32ea9e9a2db56 100644
--- a/src/parallel/gitter_pll_mgb.cc
+++ b/src/parallel/gitter_pll_mgb.cc
@@ -814,10 +814,10 @@ doRepartitionMacroGrid (LoadBalancer :: DataBase & db,
         AccessIterator < hperiodic_STI > :: Handle w (containerPll ()) ;
         for (w.first () ; ! w.done () ; w.next ())
         {
-          // get both ldbVertices from the element of a periodic closure 
+          // get both ldbVertices from the elements of a periodic closure 
           pair< int, int > ldbVx = w.item().insideLdbVertexIndex() ;
 
-          int moveTo = -1;
+          int moveTo = me;
           // check destinations of both elements 
           // of a periodic element 
           if( ldbVx.first >= 0 ) 
diff --git a/src/parallel/gitter_pll_sti.cc b/src/parallel/gitter_pll_sti.cc
index ca06fbe6f472c732d8edba1a2c5065adba5b2847..2c592ffc5456d43c43f4be83c3fd2697542637cf 100644
--- a/src/parallel/gitter_pll_sti.cc
+++ b/src/parallel/gitter_pll_sti.cc
@@ -968,33 +968,46 @@ void GitterPll :: exchangeStaticState () {
   try {
     const int nl = mpAccess ().nlinks () ;
     vector < ObjectStream > osv (nl) ;
-    {for (int l = 0 ; l < nl ; l ++ ) {
-      AccessIteratorTT < hface_STI > :: InnerHandle wi (containerPll (),l) ;
-      AccessIteratorTT < hface_STI > :: OuterHandle wo (containerPll (),l) ;
-      for (wi.first () ; ! wi.done () ; wi.next ()) 
+    {
+      for (int l = 0 ; l < nl ; ++l) 
       {
-        pair < ElementPllXIF_t *, int > p = wi.item ().accessInnerPllX () ;
-        p.first->writeStaticState (osv [l], p.second) ;
-      }
-      for (wo.first () ; ! wo.done () ; wo.next ()) {
-        pair < ElementPllXIF_t *, int > p = wo.item ().accessInnerPllX () ;
-        p.first->writeStaticState (osv [l], p.second) ;
+        AccessIteratorTT < hface_STI > :: InnerHandle wi (containerPll (),l) ;
+        AccessIteratorTT < hface_STI > :: OuterHandle wo (containerPll (),l) ;
+        for (wi.first () ; ! wi.done () ; wi.next ()) 
+        {
+          pair < ElementPllXIF_t *, int > p = wi.item ().accessInnerPllX () ;
+          p.first->writeStaticState (osv [l], p.second) ;
+        }
+        for (wo.first () ; ! wo.done () ; wo.next ()) 
+        {
+          pair < ElementPllXIF_t *, int > p = wo.item ().accessInnerPllX () ;
+          p.first->writeStaticState (osv [l], p.second) ;
+        }
       }
-    }}
+    }
+
     osv = mpAccess ().exchange (osv) ;
-    {for (int l = 0 ; l < nl ; l ++) {
-      AccessIteratorTT < hface_STI > :: InnerHandle wi (containerPll (),l) ;
-      AccessIteratorTT < hface_STI > :: OuterHandle wo (containerPll (),l) ;
-      for (wo.first () ; ! wo.done () ; wo.next ()) {
-        pair < ElementPllXIF_t *, int > p = wo.item ().accessOuterPllX () ;
-        p.first->readStaticState (osv [l], p.second) ;
-      }
-      for (wi.first () ; ! wi.done () ; wi.next ()) {
-        pair < ElementPllXIF_t *, int > p = wi.item ().accessOuterPllX () ;
-        p.first->readStaticState (osv [l], p.second) ;
-      }
-    }}
-  } catch (Parallel ::  AccessPllException) {
+
+    {
+      for (int l = 0 ; l < nl ; ++l) 
+      {
+        AccessIteratorTT < hface_STI > :: InnerHandle wi (containerPll (),l) ;
+        AccessIteratorTT < hface_STI > :: OuterHandle wo (containerPll (),l) ;
+        for (wo.first () ; ! wo.done () ; wo.next ()) 
+        {
+          pair < ElementPllXIF_t *, int > p = wo.item ().accessOuterPllX () ;
+          p.first->readStaticState (osv [l], p.second) ;
+        }
+        for (wi.first () ; ! wi.done () ; wi.next ()) 
+        {
+          pair < ElementPllXIF_t *, int > p = wi.item ().accessOuterPllX () ;
+          p.first->readStaticState (osv [l], p.second) ;
+        }
+      } 
+    }
+  } 
+  catch (Parallel ::  AccessPllException) 
+  {
     cerr << "  FEHLER Parallel :: AccessPllException entstanden in: " << __FILE__ << " " << __LINE__ << endl ;
   }
   assert (debugOption (20) ? (cout << "**INFO GitterPll :: exchangeStaticState () used "