public override void Run()

        {

            // This is a sample worker implementation. Replace with your logic.

            Trace.TraceInformation("WorkerRole1 entry point called", "Information");

            while (true)

            {

                Thread.Sleep();

                Trace.TraceInformation("Working", "Information");

            }

        }

        private ServiceHost serviceHost;

        private void CreateServiceHost()

        {

            serviceHost = new ServiceHost(typeof(WcfService));

            NetTcpBinding binding = new NetTcpBinding(SecurityMode.None);

            //  RoleInstanceEndpoint externalEndPoint = RoleEnvironment.CurrentRoleInstance.InstanceEndpoints["WcfEndpoint"];

            string ip = RoleEnvironment.CurrentRoleInstance.InstanceEndpoints["WcfEndpoint"].IPEndpoint.Address.ToString();

            int tcpport = RoleEnvironment.CurrentRoleInstance.InstanceEndpoints["WcfEndpoint"].IPEndpoint.Port;

            string endpoint = String.Format("net.tcp://{0}:{1}/LoanCalculator", ip, tcpport);

            //#region insert Instance Information to azure table

            //InstanceInformation instance = new InstanceInformation();

            //instance.IP = endpoint;

            //instance.Port = tcpport;

            //// cpu

            //System.Diagnostics.PerformanceCounter PC = new System.Diagnostics.PerformanceCounter();

            ////  instance.CPURate=PC.

            //#endregion

            serviceHost.AddServiceEndpoint(typeof(IWcfService), binding, endpoint);

            try

            {

               // ServiceLib.AzureTableMethod.InSertInstanceInformation("wcfTable", instance);

                serviceHost.Open();

            }

            catch

            {

            }

        }

        public override bool OnStart()

        {

            // Set the maximum number of concurrent connections

           // ServicePointManager.DefaultConnectionLimit = 12;

            ServicePointManager.DefaultConnectionLimit = ;

            CreateServiceHost();

            // For information on handling configuration changes

            // see the MSDN topic at http://go.microsoft.com/fwlink/?LinkId=166357.

            return base.OnStart();

        }

   protected void Page_Load(object sender, EventArgs e)

        {

        }

        protected void Button1_Click(object sender, EventArgs e)

        {

            // http://jambor.cloudapp.net/

            //  string serviceUrl = "net.tcp://jambor.cloudapp.net/LoanCalculator";

            // string serviceUrl = String.Format("net.tcp://{0}:{1}/LoanCalculator", "127.0.0.1", "8082");

            //string serviceUrl = "net.tcp://207.46.129.69:8082/LoanCalculator";

            string address = RoleEnvironment.Roles["WorkerRole1"].Instances[].InstanceEndpoints["WcfEndpoint"].IPEndpoint.Address.ToString();

            int tcpport = RoleEnvironment.Roles["WorkerRole1"].Instances[].InstanceEndpoints["WcfEndpoint"].IPEndpoint.Port;

             //  string d=   TextBox2.Text;

            string serviceUrl = string.Format("net.tcp://{0}:{1}/LoanCalculator", address, tcpport);

            NetTcpBinding binding = new NetTcpBinding(SecurityMode.None);

            ChannelFactory< IWcfChannel> ChannelFactory = new ChannelFactory<IWcfChannel>(binding, new EndpointAddress(serviceUrl));

            IWcfChannel sss = ChannelFactory.CreateChannel();

            string oldString = TextBox1.Text;

            if (!string.IsNullOrEmpty(oldString.ToString()))

            {

                Label1.Text = sss.ReverseString(oldString);

            }

        }