Use nginx to build a high-availability, high-concurrency wcf cluster

 public class HomeService : IHomeService 
     { 
         public string DoWork(string msg) 
         { 
             var ip = Dns.GetHostAddresses(Dns.GetHostName()).FirstOrDefault(i => i.AddressFamily == 
                                                         AddressFamily.InterNetwork).ToString(); 
 
             return string.Format("当前 request 由 server={0} 返回", ip); 
         }
       
     }

 <?xml version="1.0" encoding="utf-8" ?> 
 <configuration> 
   <startup> 
     <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" /> 
  </startup> 
   <system.serviceModel> 
     <behaviors> 
       <serviceBehaviors> 
         <behavior name="">

           <serviceMetadata httpGetEnabled="true" httpsGetEnabled="true" />

           <serviceDebug includeExceptionDetailInFaults="false" />
         </behavior>

       </serviceBehaviors>

     </behaviors>

     <services>

       <service name="WcfService.HomeService">

         <endpoint address="/HomeService" binding="basicHttpBinding" contract="WcfService.IHomeService">

           <identity>

             <dns value="localhost" />

           </identity>

         </endpoint>

         <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />

         <host>

           <baseAddresses>

             <add baseAddress="http://192.168.23.187:8733" />

           </baseAddresses>

         </host>

       </service>

     </services>

   </system.serviceModel>

 </configuration>

#user  nobody; worker_processes 
 1; #error_log  logs/error.log;
  #error_log  logs/error.log  notice; 
  #error_log  logs/error.log  info; 
  #pid logs/nginx.pid; events {  
    worker_connections  1024; } 
    http {   
     include       mime.types;   
      default_type  application/octet-stream;  
        #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '    #                 
         '$status $body_bytes_sent "$http_referer" '    #                  '
         "$http_user_agent" "$http_x_forwarded_for"';   
          #access_log  logs/access.log  
          main;    sendfile        
          on;    #tcp_nopush     
          on;    #keepalive_timeout  0;    keepalive_timeout  65;    #gzip  
          on;    
   upstream  cluster.com{        
    server 192.168.23.187:8733 weight=1;        
     server 192.168.23.188:8733 weight=5;           
  }    
  server {        
  listen       80;       
   server_name  localhost;        
   #charset koi8-r;       
    #access_log  logs/host.access.log  main;       
       location / {            
       root   html;            index  index.html index.htm;            
       proxy_pass http://cluster.com;            #设置主机头和客户端真实地址，以便服务器获取客户端真实IP           
         proxy_set_header X-Forwarded-Host $host;        
             proxy_set_header X-Forwarded-Server $host;           
              proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;           
               proxy_set_header  X-Real-IP  $remote_addr;        }       
                #error_page  404              /404.html;       
                 # redirect server error pages to the static page /50x.html     
                    #        error_page   500 502 503 504  /50x.html;
                            location = /50x.html {          
                              root   html;        }       
                  # proxy the PHP scripts to Apache listening on 127.0.0.1:80    
                  #        #location ~ \.php$ {   
					#    proxy_pass   http://127.0.0.1;    
				#}       
				# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000       
				#        #location ~ \.php$ {        #    root           html;  
				#    fastcgi_pass   127.0.0.1:9000;        #    fastcgi_index  index.php;
				#    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name; 
				#    include        fastcgi_params;       
				#}        # deny access to .htaccess files,
				if Apache's document root        # concurs
				with nginx's one       

 #        #location ~ /\.ht {    

#    deny  all;        #} 
 }    # another virtual host using mix of IP-, name-, and port-based configuration   
  #    #server {   
   #    listen       8000;   
    #    listen       somename:8080;    
    #    server_name  somename  alias  another.alias;    
    #    location / {    #        root   html;   
     #        index  index.html index.htm;    #    }    
     #}    # HTTPS server    #    #server {   
	       #    listen       443 ssl;   
	        #    server_name  localhost;   
	         #    ssl_certificate      cert.pem;   
	          #    ssl_certificate_key  cert.key;    
	          #    ssl_session_cache    shared:SSL:1m;   
	           #    ssl_session_timeout  5m;    
	           #    ssl_ciphers  HIGH:!aNULL:!MD5;   
	            #    ssl_prefer_server_ciphers  on;    
	            #    location / {    #        root   html;   
	             #        index  index.html index.htm;   
             #    }    #} }

  class Program

    { 
         static void Main(string[] args) 
        { 
             for (int i = 0; i < 1000; i++) 
            { 
                 HomeServiceClient client = new HomeServiceClient(); 

                 var info = client.DoWork("hello world!");


               Console.WriteLine(info);
               

                System.Threading.Thread.Sleep(1000);14            }
           


           Console.Read();
           
        }
       
  }