http://www.cs.rpi.edu/wwc/salsa
Migration Example
module demo;
behavior Migrate {
   void print() {
      standardOutput<-println( "Migrate actor just migrated here." );
   }
   void act( String[] args ) {
      if (args.length != 3) {
         standardOutput<-println( “Usage: java migration.Migrate “ +
                                  “<uan> <ual1> <ual2>" );
         return;
      }
      bind( args[0], args[1] ) @
         print() @
         migrate( args[2] ) @
         print();
   }
};