public static void AddServer(string serverAddress, int port)
 {
     lock (locker) {
         var farmName = WebFarmConfiguration.FarmName;
         IISWebFarmConfigurationUtils.AddServer(farmName, serverAddress, port);
     }
 }
 public static void AddServers(IEnumerable <string> serverAddresses, int port)
 {
     lock (locker) {
         var farmName = WebFarmConfiguration.FarmName;
         foreach (var serverAddress in serverAddresses)
         {
             IISWebFarmConfigurationUtils.AddServer(farmName, serverAddress, port);
         }
     }
 }