Ex Parte CHERKASOVA - Page 2



          Appeal No. 2004-1560                                                        
          Application 09/318,722                                                      


          directed to one of a plurality of customers hosted on the server            
          cluster.  Each of the customers is identified by a domain name,             
          and each server node is identified by an address on a network               
          connecting the clients to the server nodes.                                 
               Claim 1 is the only independent claim on appeal, and it                
          reads as follows:                                                           
               1.  A method for operating a server cluster comprising                 
          N server nodes to service client requests, each client request              
          being directed to one of a plurality of customers hosted on said            
          server cluster, each customer being identified by a domain name             
          and each server node being identified by an address on a network            
          connecting said clients to said server nodes, said method                   
          comprising the steps of:                                                    
               grouping said customers into N groups, each group being                
          assigned to a corresponding one of said server nodes;                       
               providing configuration information to a router accessible             
          from said network, said information defining a correspondence               
          between each of said customers and one of said server nodes                 
          assigned to one of said groups containing that customer, said               
          router providing said address of said server node in response to            
          a message specifying said domain name of said customer, wherein             
          said grouping of said customers depends on a measurement of the             
          computational resources required to service said requests to each           
          of said customers.                                                          
               The references relied on by the examiner are:                          
          Martin                 6,263,368                 July 17, 2001              
                                                  (filed June 19, 1997)               
          Yu                  6,351,775                Feb. 26, 2002                  
                                                  (filed May  30, 1997)               


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