Importance

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Abstract

A method, apparatus and computer program product for reducing the data transmitted over a communication link from a first application resident in a first computer and to a second application resident in a second computer wherein the data is transmitted over an external communication link. HTML data in response to specific data in a CGI request is stored in a cache resident in the first computer to create a server base cache entry. HTML data in response to the specific data in the CGI request is also stored in a cache resident in the second computer to create a client base cache entry. CGI requests and specific CGI data is evaluated to determine if a corresponding client base cache entry exists to provide a client base form. CGI requests and specific CGI data are interrogated to determine if a server base cache entry exists to provide a server base form. The data stream corresponding to the response HTML data is intercepted and compared to the server base form to provide difference data. The difference data is then sent to the second computer over the external communication link. The response HTML data is reconstructed from the client/server specific data stream received over the external communication link by combining the client base form with the difference data and provided to the second application. Creation of an extended cache key corresponding to the CGI form and the user input data is also provided.

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First Claim