Hi Mathias What about http://www.zeromq.org/? Haven't tested it myself but if you do give some feedback please. The even have done some tests with preemt-rt linux. With quite good results. Best Regards Tim -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html