Patent ID: 8191058

Claim:
A computer processing system for implementing data upgrade to application servers, comprising a communication interface device, a plurality of application servers coupled to the communication interface device, wherein the plurality of application servers are of the same type such that the results of processing of data by any of the plurality of application servers is identical; and a database server for storing data, wherein the communication interface device is adapted to send data received from external to an application server connected therewith for processing, and return a result of processing to an external device/external network; and all the plurality of application servers are connected with the database server to process data and store the processed data in the database server, wherein the data upgrade is implemented in batch for particular application servers of the plurality of application servers requiring the data upgrade by disconnecting the particular application servers requiring the data upgrade from the communication interface device, maintaining connection of at least one of the plurality of application servers during the upgrade and reestablishing the connection of the particular application servers with the communication interface device after the data upgrade is completed.