List<Integer> required_up_services=protocol.requiredUpServices();
prot=protocols.elementAt(i); req=new ProtocolReq(prot.getName()); req.up_reqs=prot.requiredUpServices(); req.down_reqs=prot.requiredDownServices(); req.up_provides=prot.providedUpServices();
List<Integer> required_up_services=protocol.requiredUpServices();