func DialApplicationMasterProtocolService(conf yarn_conf.YarnConfiguration) (ApplicationMasterProtocolService, error) {
	clientId, _ := uuid.NewV4()
	ugi, _ := gohadoop.CreateSimpleUGIProto()
	serverAddress, _ := conf.GetRMSchedulerAddress()
	c := &hadoop_ipc_client.Client{ClientId: clientId, Ugi: ugi, ServerAddress: serverAddress}
	return &ApplicationMasterProtocolServiceClient{c}, nil
}
// DialContainerManagementProtocolService connects to an ContainerManagementProtocolService at the specified network address.
func DialContainerManagementProtocolService(host string, port int) (ContainerManagementProtocolService, error) {
	clientId, _ := uuid.NewV4()
	ugi, _ := gohadoop.CreateSimpleUGIProto()
	c := &hadoop_ipc_client.Client{ClientId: clientId, Ugi: ugi, ServerAddress: net.JoinHostPort(host, strconv.Itoa(port))}
	return &ContainerManagementProtocolServiceClient{c}, nil
}