diff --git a/brouter-codec/pom.xml b/brouter-codec/pom.xml
index 38174aa..c6fc243 100644
--- a/brouter-codec/pom.xml
+++ b/brouter-codec/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.2</version>
+        <version>1.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-codec</artifactId>
diff --git a/brouter-core/pom.xml b/brouter-core/pom.xml
index ce02833..de5383c 100644
--- a/brouter-core/pom.xml
+++ b/brouter-core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.2</version>
+        <version>1.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-core</artifactId>
diff --git a/brouter-core/src/main/java/btools/router/OsmTrack.java b/brouter-core/src/main/java/btools/router/OsmTrack.java
index dd12910..9e8ef2c 100644
--- a/brouter-core/src/main/java/btools/router/OsmTrack.java
+++ b/brouter-core/src/main/java/btools/router/OsmTrack.java
@@ -18,6 +18,7 @@ import java.io.FileOutputStream;
 import java.io.FileWriter;
 import java.io.InputStreamReader;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 import btools.mapaccess.OsmPos;
@@ -31,6 +32,7 @@ public final class OsmTrack
 
   public MatchedWaypoint endPoint;
   public long[] nogoChecksums;
+  public long profileTimestamp;
   public boolean isDirty;
 
   private static class OsmPathElementHolder
@@ -160,10 +162,11 @@ public final class OsmTrack
     dos.writeLong( nogoChecksums[1] );
     dos.writeLong( nogoChecksums[2] );
     dos.writeBoolean( isDirty );
+    dos.writeLong( profileTimestamp );
     dos.close();
   }
 
-  public static OsmTrack readBinary( String filename, OsmNodeNamed newEp, long[] nogoChecksums, StringBuilder debugInfo )
+  public static OsmTrack readBinary( String filename, OsmNodeNamed newEp, long[] nogoChecksums, long profileChecksum, StringBuilder debugInfo )
   {
     OsmTrack t = null;
     if ( filename != null )
@@ -177,7 +180,12 @@ public final class OsmTrack
           MatchedWaypoint ep = MatchedWaypoint.readFromStream( dis );
           int dlon = ep.waypoint.ilon - newEp.ilon;
           int dlat = ep.waypoint.ilat - newEp.ilat;
-          if ( dlon < 20 && dlon > -20 && dlat < 20 && dlat > -20 )
+          boolean targetMatch = dlon < 20 && dlon > -20 && dlat < 20 && dlat > -20;
+          if ( debugInfo != null )
+          {
+            debugInfo.append( "target-delta = " + dlon + "/" + dlat + " targetMatch=" + targetMatch );
+          }
+          if ( targetMatch )
           {
             t = new OsmTrack();
             t.endPoint = ep;
@@ -192,31 +200,40 @@ public final class OsmTrack
             }
             t.cost = last_pe.cost;
             t.buildMap();
-          }
-          long[] al = new long[3];
-          try
-          {
-            al[0] = dis.readLong();
-            al[1] = dis.readLong();
-            al[2] = dis.readLong();
-          }
-          catch (EOFException eof) { /* kind of expected */ }
-          try
-          {
-            boolean isDirty = dis.readBoolean();
-            if ( t != null ) t.isDirty = isDirty;
-          }
-          catch (EOFException eof) { /* kind of expected */ }
-          dis.close();
-          boolean nogoCheckOk = Math.abs( al[0] - nogoChecksums[0] ) <= 20
-                             && Math.abs( al[1] - nogoChecksums[1] ) <= 20
-                             && Math.abs( al[2] - nogoChecksums[2] ) <= 20;
 
-          if ( debugInfo != null )
-          {
-            debugInfo.append( "target-delta = " + dlon + "/" + dlat + " nogoCheckOk=" + nogoCheckOk );
+            // check cheecksums, too
+            long[] al = new long[3];
+            long pchecksum = 0;
+            try
+            {
+              al[0] = dis.readLong();
+              al[1] = dis.readLong();
+              al[2] = dis.readLong();
+            }
+            catch (EOFException eof) { /* kind of expected */ }
+            try
+            {
+              t.isDirty = dis.readBoolean();
+            }
+            catch (EOFException eof) { /* kind of expected */ }
+            try
+            {
+              pchecksum = dis.readLong();
+            }
+            catch (EOFException eof) { /* kind of expected */ }
+            boolean nogoCheckOk = Math.abs( al[0] - nogoChecksums[0] ) <= 20
+                               && Math.abs( al[1] - nogoChecksums[1] ) <= 20
+                               && Math.abs( al[2] - nogoChecksums[2] ) <= 20;
+            boolean profileCheckOk = pchecksum == profileChecksum;
+
+            if ( debugInfo != null )
+            {
+              debugInfo.append( " nogoCheckOk=" + nogoCheckOk + " profileCheckOk=" + profileCheckOk );
+              debugInfo.append( " al=" + formatLongs(al) + " nogoChecksums=" + formatLongs(nogoChecksums) );
+            }
+            if ( !(nogoCheckOk && profileCheckOk) ) return null;
           }
-          if ( !nogoCheckOk ) return null;
+          dis.close();
         }
         catch (Exception e)
         {
@@ -227,6 +244,20 @@ public final class OsmTrack
     return t;
   }
 
+  private static String formatLongs( long[] al )
+  {
+    StringBuilder sb = new StringBuilder();
+    sb.append( '{' );
+    for( long l : al )
+    {
+      sb.append( l );
+      sb.append( ' ' );
+    }
+    sb.append( '}' );
+    return sb.toString();
+  }
+
+
   public void addNodes( OsmTrack t )
   {
     for ( OsmPathElement n : t.nodes )
@@ -343,7 +374,7 @@ public final class OsmTrack
     }
     else
     {
-      sb.append( " creator=\"BRouter-1.4.2\" version=\"1.1\">\n" );
+      sb.append( " creator=\"BRouter-1.4.3\" version=\"1.1\">\n" );
     }
 
     if ( turnInstructionMode == 3) // osmand style
diff --git a/brouter-core/src/main/java/btools/router/ProfileCache.java b/brouter-core/src/main/java/btools/router/ProfileCache.java
index e02ccfe..17d3cdf 100644
--- a/brouter-core/src/main/java/btools/router/ProfileCache.java
+++ b/brouter-core/src/main/java/btools/router/ProfileCache.java
@@ -40,6 +40,7 @@ public final class ProfileCache
         profileDir = new File( profileBaseDir );
         profileFile = new File( profileDir, rc.localFunction + ".brf" ) ;
       }
+      rc.profileTimestamp = profileFile.lastModified();
       File lookupFile = new File( profileDir, "lookups.dat" );
 
       // check for re-use
@@ -47,7 +48,7 @@ public final class ProfileCache
       {
         if ( profileFile.equals( lastProfileFile ) && lookupFile.equals( lastLookupFile ) )
         {
-          if ( profileFile.lastModified() == lastProfileTimestamp
+          if ( rc.profileTimestamp == lastProfileTimestamp
             && lookupFile.lastModified() ==  lastLookupTimestamp )
           {
             rc.expctxWay = expctxWay;
diff --git a/brouter-core/src/main/java/btools/router/RoutingContext.java b/brouter-core/src/main/java/btools/router/RoutingContext.java
index 940fd3f..2f444c4 100644
--- a/brouter-core/src/main/java/btools/router/RoutingContext.java
+++ b/brouter-core/src/main/java/btools/router/RoutingContext.java
@@ -27,6 +27,7 @@ public final class RoutingContext implements DistanceChecker
   }
   public int alternativeIdx = 0;
   public String localFunction;
+  public long profileTimestamp;
 
   public String rawTrackPath;
   
diff --git a/brouter-core/src/main/java/btools/router/RoutingEngine.java b/brouter-core/src/main/java/btools/router/RoutingEngine.java
index f71a12f..ceb47f5 100644
--- a/brouter-core/src/main/java/btools/router/RoutingEngine.java
+++ b/brouter-core/src/main/java/btools/router/RoutingEngine.java
@@ -305,10 +305,10 @@ public class RoutingEngine extends Thread
 
     // check for a track for that target
     OsmTrack nearbyTrack = null;
-    if ( refTracks[waypoints.size()-2] == null )
+    if ( lastTracks[waypoints.size()-2] == null )
     {
       StringBuilder debugInfo =  hasInfo() ? new StringBuilder() : null;
-      nearbyTrack = OsmTrack.readBinary( routingContext.rawTrackPath, waypoints.get( waypoints.size()-1), routingContext.getNogoChecksums(), debugInfo );
+      nearbyTrack = OsmTrack.readBinary( routingContext.rawTrackPath, waypoints.get( waypoints.size()-1), routingContext.getNogoChecksums(), routingContext.profileTimestamp, debugInfo );
       if ( nearbyTrack != null )
       {
         nUnmatched--;
@@ -532,7 +532,10 @@ public class RoutingEngine extends Thread
           dirtyMessage = iae;
           logInfo( "using fast partial recalc" );
         }
-    	maxRunningTime += System.currentTimeMillis() - startTime; // reset timeout...
+        if ( maxRunningTime > 0 )
+        {
+          maxRunningTime += System.currentTimeMillis() - startTime; // reset timeout...
+        }
       }
     }
 
@@ -560,6 +563,7 @@ public class RoutingEngine extends Thread
             foundRawTrack = mergeTrack( matchPath, track );
             foundRawTrack.endPoint = endWp;
             foundRawTrack.nogoChecksums = routingContext.getNogoChecksums();
+            foundRawTrack.profileTimestamp = routingContext.profileTimestamp;
             foundRawTrack.isDirty = true;
           }
           throw iae;
@@ -589,6 +593,7 @@ public class RoutingEngine extends Thread
       logInfo( "supplying new reference track, dirty=" + isDirty );
       track.endPoint = endWp;
       track.nogoChecksums = routingContext.getNogoChecksums();
+      track.profileTimestamp = routingContext.profileTimestamp;
       track.isDirty = isDirty;
       foundRawTrack = track;
     }
diff --git a/brouter-expressions/pom.xml b/brouter-expressions/pom.xml
index 7d141c2..81d1e28 100644
--- a/brouter-expressions/pom.xml
+++ b/brouter-expressions/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.2</version>
+        <version>1.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-expressions</artifactId>
diff --git a/brouter-map-creator/pom.xml b/brouter-map-creator/pom.xml
index 71a148b..033850a 100644
--- a/brouter-map-creator/pom.xml
+++ b/brouter-map-creator/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.2</version>
+        <version>1.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-map-creator</artifactId>
diff --git a/brouter-mapaccess/pom.xml b/brouter-mapaccess/pom.xml
index 2c7c0fd..910c3f7 100644
--- a/brouter-mapaccess/pom.xml
+++ b/brouter-mapaccess/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.2</version>
+        <version>1.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-mapaccess</artifactId>
diff --git a/brouter-mem-router/pom.xml b/brouter-mem-router/pom.xml
index 03916e3..14cb12a 100644
--- a/brouter-mem-router/pom.xml
+++ b/brouter-mem-router/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.2</version>
+        <version>1.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-mem-router</artifactId>
diff --git a/brouter-routing-app/AndroidManifest.xml b/brouter-routing-app/AndroidManifest.xml
index 6f15b66..20180d1 100644
--- a/brouter-routing-app/AndroidManifest.xml
+++ b/brouter-routing-app/AndroidManifest.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-      android:versionCode="13"
-      android:versionName="1.4.2" package="btools.routingapp">
+      android:versionCode="14"
+      android:versionName="1.4.3" package="btools.routingapp">
     <application android:icon="@drawable/icon" android:label="@string/app_name">
         <activity android:name=".BRouterActivity"
                   android:label="@string/app_name"
diff --git a/brouter-routing-app/pom.xml b/brouter-routing-app/pom.xml
index a4cd102..87e6521 100644
--- a/brouter-routing-app/pom.xml
+++ b/brouter-routing-app/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.2</version>
+        <version>1.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-routing-app</artifactId>
@@ -60,9 +60,9 @@
                             <include>${project.build.directory}/${project.artifactId}.apk</include>
                         </includes>
                         <keystore>\sign\mystore</keystore>
-                        <alias>abrensch</alias>
-                        <storepass>peru1511</storepass>
-                        <keypass>peru1511</keypass>
+                        <alias>myalias</alias>
+                        <storepass>mypass</storepass>
+                        <keypass>mypass</keypass>
                         <verbose>true</verbose>
                     </configuration>
                 </execution>
diff --git a/brouter-routing-app/src/main/java/btools/routingapp/BRouterService.java b/brouter-routing-app/src/main/java/btools/routingapp/BRouterService.java
index c667fb6..4354c61 100644
--- a/brouter-routing-app/src/main/java/btools/routingapp/BRouterService.java
+++ b/brouter-routing-app/src/main/java/btools/routingapp/BRouterService.java
@@ -2,9 +2,14 @@ package btools.routingapp;
 
 
 import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
 import java.io.FileReader;
+import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.io.OutputStream;
 import java.util.ArrayList;
 
 import android.app.Service;
@@ -24,85 +29,201 @@ public class BRouterService extends Service
 		return myBRouterServiceStub;
 	}
 
-	private IBRouterService.Stub myBRouterServiceStub = new IBRouterService.Stub()
+  private IBRouterService.Stub myBRouterServiceStub = new IBRouterService.Stub()
 	{
-		@Override
-		public String getTrackFromParams(Bundle params) throws RemoteException
-		{
-            BRouterWorker worker = new BRouterWorker();
+    @Override
+    public String getTrackFromParams( Bundle params ) throws RemoteException
+    {
+      BRouterWorker worker = new BRouterWorker();
 
-            // get base dir from private file
-            String baseDir = null;
-            InputStream configInput = null;
-            try
-            {
-              configInput = openFileInput( "config.dat" );
-              BufferedReader br = new BufferedReader( new InputStreamReader (configInput ) );
-              baseDir = br.readLine();
-            }
-            catch( Exception e ) {}
-            finally
-            {
-              if ( configInput != null  ) try { configInput.close(); } catch( Exception ee ) {}
-            }
-            
-            String fast = params.getString( "fast" );
-            boolean isFast = "1".equals( fast ) || "true".equals( fast ) || "yes".equals( fast );
-            String mode_key = params.getString( "v" ) + "_" + (isFast ? "fast" : "short");
+      // get base dir from private file
+      String baseDir = null;
+      InputStream configInput = null;
+      try
+      {
+        configInput = openFileInput( "config.dat" );
+        BufferedReader br = new BufferedReader( new InputStreamReader( configInput ) );
+        baseDir = br.readLine();
+      }
+      catch (Exception e)
+      {
+      }
+      finally
+      {
+        if ( configInput != null ) try { configInput.close(); } catch (Exception ee) {}
+      }
+      worker.segmentDir = baseDir + "/brouter/segments4";
 
-            boolean configFound = false;
-            
-            BufferedReader br = null;
-            try
-            {
-              String modesFile = baseDir + "/brouter/modes/serviceconfig.dat";
-              br = new BufferedReader( new FileReader (modesFile ) );
-              worker.segmentDir = baseDir + "/brouter/segments4";
-              for(;;)
-              {
-                String line = br.readLine();
-                if ( line == null ) break;
-                ServiceModeConfig smc = new ServiceModeConfig( line );
-                if ( !smc.mode.equals( mode_key ) ) continue;
-                worker.profilePath = baseDir + "/brouter/profiles2/" + smc.profile + ".brf";
-                worker.rawTrackPath = baseDir + "/brouter/modes/" + mode_key + "_rawtrack.dat";
-                
-                CoordinateReader cor = CoordinateReader.obtainValidReader( baseDir, worker.segmentDir );
-                worker.nogoList = new ArrayList<OsmNodeNamed>();
-                // veto nogos by profiles veto list
-                for(OsmNodeNamed nogo : cor.nogopoints )
-                {
-                  if ( !smc.nogoVetos.contains( nogo.ilon + "," + nogo.ilat ) )
-                  {
-                	  worker.nogoList.add( nogo );
-                  }
-                }
-                configFound = true;
-              }                
-            }
-            catch( Exception e )
-            {
-              return "no brouter service config found, mode " + mode_key;
-            }
-            finally
-            {
-              if ( br != null  ) try { br.close(); } catch( Exception ee ) {}
-            }
-            
-            if ( !configFound )
-            {
-              return "no brouter service config found for mode " + mode_key;
-            }
+      String remoteProfile = params.getString( "remoteProfile" );
+
+      if ( remoteProfile == null )
+      {
+         remoteProfile = checkForTestDummy( baseDir );
+      }
+
+      String errMsg = remoteProfile == null
+          ? getConfigFromMode( worker, baseDir, params.getString( "v" ), params.getString( "fast" ) )
+          : getConfigForRemoteProfile( worker, baseDir, remoteProfile );
+
+      if ( errMsg != null )
+      {
+        return errMsg;
+      }
+
+      try
+      {
+        return worker.getTrackFromParams( params );
+      }
+      catch (IllegalArgumentException iae)
+      {
+        return iae.getMessage();
+      }
+    }
+
+    private String getConfigFromMode( BRouterWorker worker, String baseDir, String mode, String fast )
+    {
+      boolean isFast = "1".equals( fast ) || "true".equals( fast ) || "yes".equals( fast );
+      String mode_key = mode + "_" + ( isFast ? "fast" : "short" );
+
+      BufferedReader br = null;
+      try
+      {
+        String modesFile = baseDir + "/brouter/modes/serviceconfig.dat";
+        br = new BufferedReader( new FileReader( modesFile ) );
+        for ( ;; )
+        {
+          String line = br.readLine();
+          if ( line == null )
+            break;
+          ServiceModeConfig smc = new ServiceModeConfig( line );
+          if ( !smc.mode.equals( mode_key ) )
+            continue;
+          worker.profilePath = baseDir + "/brouter/profiles2/" + smc.profile + ".brf";
+          worker.rawTrackPath = baseDir + "/brouter/modes/" + mode_key + "_rawtrack.dat";
+
+          CoordinateReader cor = CoordinateReader.obtainValidReader( baseDir, worker.segmentDir );
+          worker.nogoList = new ArrayList<OsmNodeNamed>();
+          // veto nogos by profiles veto list
+          for ( OsmNodeNamed nogo : cor.nogopoints )
+          {
+            if ( !smc.nogoVetos.contains( nogo.ilon + "," + nogo.ilat ) )
+            {
+              worker.nogoList.add( nogo );
+            }
+          }
+          return null;
+        }
+      }
+      catch (Exception e)
+      {
+        return "no brouter service config found, mode " + mode_key;
+      }
+      finally
+      {
+        if ( br != null  ) try { br.close(); } catch( Exception ee ) {}
+      }
+      return "no brouter service config found for mode " + mode_key;
+    }
+
+    private String getConfigForRemoteProfile( BRouterWorker worker, String baseDir, String remoteProfile )
+    {
+      worker.profilePath = baseDir + "/brouter/profiles2/remote.brf";
+      worker.rawTrackPath = baseDir + "/brouter/modes/remote_rawtrack.dat";
+
+      // store profile only if not identical (to preserve timestamp)
+      byte[] profileBytes = remoteProfile.getBytes();
+      File profileFile = new File( worker.profilePath );
+
+      try
+      {
+        // add nogos from waypoint database
+        CoordinateReader cor = CoordinateReader.obtainValidReader( baseDir, worker.segmentDir );
+        worker.nogoList = new ArrayList<OsmNodeNamed>( cor.nogopoints );
+
+        if ( !fileEqual( profileBytes, profileFile ) )
+        {
+          OutputStream os = null;
+          try
+          {
+            os = new FileOutputStream( profileFile );
+            os.write( profileBytes );
+          }
+          finally
+          {
+            if ( os != null ) try { os.close(); } catch( IOException io ) {}
+          }
+        }
+      }
+      catch( Exception e )
+      {
+        return "error caching remote profile: " + e;
+      }
+      return null;
+    }
+
+    private boolean fileEqual( byte[] fileBytes, File file ) throws Exception
+    {
+      if ( !file.exists() )
+      {
+        return false;
+      }
+      int nbytes = fileBytes.length;
+      int pos = 0;
+      int blen = 8192;
+      byte[] buf = new byte[blen];
+      InputStream is = null;
+      try
+      {
+        is = new FileInputStream( file );
+        while( pos < nbytes )
+        {
+          int len = is.read( buf, 0, blen );
+          if ( len <= 0 ) return false;
+          if ( pos + len > nbytes ) return false;
+          for( int j=0; j<len; j++ )
+          {
+            if ( fileBytes[pos++] != buf[j] )
+            {
+              return false;
+            }
+          }
+        }
+        return true;
+      }
+      finally
+      {
+        if ( is != null ) try { is.close(); } catch( IOException io ) {}
+      }
+    }
+
+    private String checkForTestDummy( String baseDir )
+    {
+      File testdummy = new File( baseDir + "/brouter/profiles2/remotetestdummy.brf" );
+      if ( !testdummy.exists() ) return null;
+      BufferedReader br = null;
+      StringBuilder sb = new StringBuilder();
+      try
+      {
+        br = new BufferedReader( new FileReader( testdummy ) );
+        for ( ;; )
+        {
+          String line = br.readLine();
+          if ( line == null )
+            break;
+          sb.append( line ).append( '\n' );
+        }
+        return sb.toString();
+      }
+      catch (Exception e)
+      {
+        throw new RuntimeException( "error reading " + testdummy );
+      }
+      finally
+      {
+        if ( br != null  ) try { br.close(); } catch( Exception ee ) {}
+      }
+    }
 
-			try
-			{
-				return worker.getTrackFromParams(params);
-			}
-			catch( IllegalArgumentException iae )
-			{
-			  return iae.getMessage();
-			}
-		}
 	};
 	
 	@Override
diff --git a/brouter-routing-app/src/main/java/btools/routingapp/BRouterView.java b/brouter-routing-app/src/main/java/btools/routingapp/BRouterView.java
index 71f6c6d..54c8e02 100644
--- a/brouter-routing-app/src/main/java/btools/routingapp/BRouterView.java
+++ b/brouter-routing-app/src/main/java/btools/routingapp/BRouterView.java
@@ -167,20 +167,22 @@ public class BRouterView extends View
       String basedir = fbd.getAbsolutePath();
       AppLogger.log( "using basedir: " + basedir );
 
+      String version = "v1.4.3";
+
       // create missing directories
-      assertDirectoryExists( "project directory", basedir + "/brouter", null );
+      assertDirectoryExists( "project directory", basedir + "/brouter", null, null );
       segmentDir = basedir + "/brouter/segments4";
-      if ( assertDirectoryExists( "data directory", segmentDir, "segments4.zip" ) )
+      if ( assertDirectoryExists( "data directory", segmentDir, "segments4.zip", null ) )
       {
         ConfigMigration.tryMigrateStorageConfig(
               new File( basedir + "/brouter/segments3/storageconfig.txt" ),
               new File( basedir + "/brouter/segments4/storageconfig.txt" ) );
       }
       profileDir = basedir + "/brouter/profiles2";
-      assertDirectoryExists( "profile directory", profileDir, "profiles2.zip" );
+      assertDirectoryExists( "profile directory", profileDir, "profiles2.zip", version );
       modesDir = basedir + "/brouter/modes";
-      assertDirectoryExists( "modes directory", modesDir, "modes.zip" );
-      assertDirectoryExists( "readmes directory", basedir + "/brouter/readmes", "readmes.zip" );
+      assertDirectoryExists( "modes directory", modesDir, "modes.zip", null );
+      assertDirectoryExists( "readmes directory", basedir + "/brouter/readmes", "readmes.zip", version );
 
       cor = CoordinateReader.obtainValidReader( basedir, segmentDir );
       wpList = cor.waypoints;
@@ -196,7 +198,7 @@ public class BRouterView extends View
       if ( cor.tracksdir != null )
       {
         tracksDir = cor.basedir + cor.tracksdir;
-        assertDirectoryExists( "track directory", tracksDir, null );
+        assertDirectoryExists( "track directory", tracksDir, null, null );
 
         // output redirect: look for a pointerfile in tracksdir
         File tracksDirPointer = new File( tracksDir + "/brouter.redirect" );
@@ -465,6 +467,12 @@ public class BRouterView extends View
       rc.prepareNogoPoints( nogoList );
       rc.nogopoints = nogoList;
 
+      // for profile remote, use ref-track logic same as service interface      
+      if ( "remote".equals( profileName ) )
+      {
+        rc.rawTrackPath = modesDir + "/remote_rawtrack.dat";
+      }
+
       cr = new RoutingEngine( tracksDir + "/brouter", null, segmentDir, wpList, rc );
       cr.start();
       invalidate();
@@ -477,12 +485,27 @@ public class BRouterView extends View
     }
   }
 
-  private boolean assertDirectoryExists( String message, String path, String assetZip )
+  private boolean assertDirectoryExists( String message, String path, String assetZip, String versionTag )
   {
     File f = new File( path );
-    if ( !f.exists() )
+
+    boolean exists = f.exists();
+    if ( !exists )
     {
       f.mkdirs();
+    }
+    if ( versionTag != null )
+    {
+      File vtag = new File( f, versionTag );
+      try
+      {
+        exists = !vtag.createNewFile();
+      }
+      catch( IOException io ) { throw new RuntimeException( "error checking version tag " + vtag ); }
+    }
+
+    if ( !exists )
+    {
       // default contents from assets archive
       if ( assetZip != null )
       {
@@ -680,11 +703,20 @@ public class BRouterView extends View
         }
         else
         {
-          String result = "version = BRouter-1.4.2\n" + "distance = " + cr.getDistance() / 1000. + " km\n" + "filtered ascend = " + cr.getAscend()
+          String result = "version = BRouter-1.4.3\n" + "distance = " + cr.getDistance() / 1000. + " km\n" + "filtered ascend = " + cr.getAscend()
               + " m\n" + "plain ascend = " + cr.getPlainAscend();
 
           rawTrack = cr.getFoundRawTrack();
 
+          // for profile "remote", always persist referencetrack
+          if ( cr.getAlternativeIndex() == 0 )
+          {
+            if ( "remote".equals( profileName ) )
+            {
+              writeRawTrackToMode( "remote" );
+            }
+          }
+
           String title = "Success";
           if ( cr.getAlternativeIndex() > 0 )
             title += " / " + cr.getAlternativeIndex() + ". Alternative";
diff --git a/brouter-routing-app/src/main/java/btools/routingapp/BRouterWorker.java b/brouter-routing-app/src/main/java/btools/routingapp/BRouterWorker.java
index 1877cad..9efe93c 100644
--- a/brouter-routing-app/src/main/java/btools/routingapp/BRouterWorker.java
+++ b/brouter-routing-app/src/main/java/btools/routingapp/BRouterWorker.java
@@ -67,7 +67,7 @@ public class BRouterWorker
     cr.doRun( maxRunningTime );
 	
     // store new reference track if any
-    // (can exist fot timeed-out search)
+    // (can exist for timed-out search)
     if ( cr.getFoundRawTrack() != null )
     {
       try
diff --git a/brouter-routing-app/src/main/java/btools/routingapp/IBRouterService.aidl b/brouter-routing-app/src/main/java/btools/routingapp/IBRouterService.aidl
index 0f092b1..119d20e 100644
--- a/brouter-routing-app/src/main/java/btools/routingapp/IBRouterService.aidl
+++ b/brouter-routing-app/src/main/java/btools/routingapp/IBRouterService.aidl
@@ -17,6 +17,7 @@ interface IBRouterService {
     //  "nogoRadi"-->double[] array of nogo radius in meters; may be null.
     //  "fast"-->[0|1]
     //  "v"-->[motorcar|bicycle|foot]
+    //  "remoteProfile"--> (String), net-content of a profile. If remoteProfile != null, v+fast are ignored
     //return null if all ok and no path given, the track if ok and path given, an error message if it was wrong
     //call in a background thread, heavy task!
 
diff --git a/brouter-server/pom.xml b/brouter-server/pom.xml
index e80122a..f6277ed 100644
--- a/brouter-server/pom.xml
+++ b/brouter-server/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.2</version>
+        <version>1.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-server</artifactId>
@@ -51,11 +51,11 @@
             <artifactId>brouter-map-creator</artifactId>
             <version>${project.version}</version>
 		</dependency>
-<!--        <dependency>
+        <dependency>
             <groupId>org.btools</groupId>
             <artifactId>brouter-mem-router</artifactId>
             <version>${project.version}</version>
-        </dependency> -->
+        </dependency>
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
diff --git a/brouter-server/src/main/java/btools/server/BRouter.java b/brouter-server/src/main/java/btools/server/BRouter.java
index 3dc52f2..ec361f7 100644
--- a/brouter-server/src/main/java/btools/server/BRouter.java
+++ b/brouter-server/src/main/java/btools/server/BRouter.java
@@ -88,7 +88,7 @@ public class BRouter
       }
       System.exit(0);
     }
-    System.out.println("BRouter 1.4.2 / 16052016 / abrensch");
+    System.out.println("BRouter 1.4.3 / 06082016 / abrensch");
     if ( args.length < 6 )
     {
       System.out.println("Find routes in an OSM map");
diff --git a/brouter-server/src/main/java/btools/server/RouteServer.java b/brouter-server/src/main/java/btools/server/RouteServer.java
index 783e008..a786e9a 100644
--- a/brouter-server/src/main/java/btools/server/RouteServer.java
+++ b/brouter-server/src/main/java/btools/server/RouteServer.java
@@ -155,7 +155,7 @@ public class RouteServer extends Thread
 
   public static void main(String[] args) throws Exception
   {
-        System.out.println("BRouter 1.4.2 / 16052016");
+        System.out.println("BRouter 1.4.3 / 06082016");
         if ( args.length != 5 )
         {
           System.out.println("serve BRouter protocol");
diff --git a/brouter-util/pom.xml b/brouter-util/pom.xml
index 39d18f0..f086584 100644
--- a/brouter-util/pom.xml
+++ b/brouter-util/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.btools</groupId>
         <artifactId>brouter</artifactId>
-        <version>1.4.2</version>
+        <version>1.4.3</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>brouter-util</artifactId>
diff --git a/pom.xml b/pom.xml
index 2bbacdf..dd352a6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.btools</groupId>
     <artifactId>brouter</artifactId>
-    <version>1.4.2</version>
+    <version>1.4.3</version>
     <packaging>pom</packaging>
     <url>http://brouter.de/brouter/</url>
     <name>brouter</name>
@@ -17,7 +17,7 @@
         <module>brouter-mapaccess</module>
         <module>brouter-core</module>
         <module>brouter-map-creator</module>
-        <!-- <module>brouter-mem-router</module> -->
+        <module>brouter-mem-router</module>
         <module>brouter-server</module>
         <module>brouter-routing-app</module>
     </modules>