Patent ID: 6578054
Filing Date: 2003-06-10
Classification: G06F,G06Q,H04L,Y10S

Abstract:
In a networked system including a server and a client, wherein the server stores a resource, a method of enabling a client to access the resource, comprising the steps of:transmitting, from the server to the client, resource state information that represents the state of the resource stored at the server at a selected moment; transmitting, from the server to the client, a copy of the resource as it exists at the server at the selected moment; storing the copy of the resource in a local store associated with the client; modifying the copy of the resource stored in the local store; transmitting the modified copy and the resource state information from the client to the server; based on the resource state information transmitted to the server, determining whether the resource stored at the server has changed since the selected moment; and if it is determined that the resource stored at the server has not changed, replacing the resource stored at the server with the modified copy.