> I cant introduce how to applications should listen on one and > the same > port with same protocoll. > How should the client know to which socket he should connect? > The only > information he has are: IP-Address, Port, Protocol. > > IMHO there may be more than one binded sockets to transfer data, but > allway only one who is listen for new requests. There is a pseudo-exception to this rule. If you look at httpd the httpd process, all field requests that are coming in on port 80 (by default). The portmapper actually takes care of distributing the work. Bob Styma