Patent ID: 6415331
Filing Date: 2002-07-02
Classification: H04L

Abstract:
A method of updating accumulated data at a client with middleware in a data communication system connecting said client and an application server through a gateway server having said middleware, said method comprising the steps of:at said gateway server: receiving specified data from said application server in response to a data request from said client; holding the specified data in a buffer; adding a predetermined header to the specified data; and transmitting the specified data held in the buffer to said client if the specified data under transmission has not been updated in said application server when a reconnection request is received from said client; while updating the specified data under transmission held in the buffer to the latest version if the specified data has been updated in said application server when the reconnection request is received from said client; notifying said client that the specified data has been updated as updated data; and transmitting the updated data to said client; at said client: requesting the specified data to said gateway server; requesting reconnection to said gateway server when all of the specified data have not been received; deleting the received accumulated data when receiving the notification of the update from said gateway server; and accumulating the updated data newly received from said gateway server.