Patent ID: 6912591
Filing Date: 2005-06-28
Classification: G06F,H04L

Abstract:
1. A method for updating information on a client using differences between old information residing on the client and new information retrieved by a server, said method comprising: requesting, by a client, information from a network; determining whether the requested information is in storage on the client; upon the determining that the requested information is in storage on the client, designating the requested information in storage on the client as a first version of the requested information; retrieving the requested information by a server connected to the network; designating the retrieved information as a second version of the requested information; identifying differences between the first version of the requested information residing on the client and the second version of the requested information retrieved by the server; generating a difference file on the server using the identified differences; transmitting the difference file to the client; updating the first version of the requested information using the difference file resulting in updated information on the client; and retaining the second version of the requested information in storage at the server.