Hi Michael, nice too see that you have also tried to bring some ideas from Erlang to Python ;-) My toy-example can be found at: http://groups.google.de/groups?q=erlang+group:comp.lang.python.*&hl=de&lr=&ie=UTF-8&group=comp.lang.python.*&selm=b6q3pj%24mp3%2403%241%40news.t-online.com&rnum=7 Ciao, Dominic